pollutant

The sea is increasingly used as a rubbish bin, filled with poisons, plastics and other pollutants. Parts of it are infested with pirates.

Scientists must then determine how much exposure to pollutants is harmful.

Be able to understand the factors including diffusion, convection , and reaction in environmental pollutants.

The study doesn't say how much more likely it is for people to develop lung cancer if they're exposed to higher levels of the pollutants.

Scientists at the EPA have long favoured such a ruling, which did not contain any specifics about reducing emissions of the pollutants.

Fiber-degrading enzymes have also been used to increase animal productivity and decrease environment pollutants.

The land utilization style produces lots of pollutants which are easy to flow into the lake.

The waste material might have infectivity bacteria, viruses, chemical pollutants and radioactive such harmful substances, for great risk.

Persistent pollutants----Inorganic synthetic pollutants with complex molecular structures that are not effectively broken down in water.

Landfill leachate contained high concentration of pollutants and great variation is often observed in either composition or flow rate.

The smog that has engulfed Moscow for a week eased a bit Tuesday, but the concentration of pollutants remained high.

Smog frequently builds up in eastern China during the winter when weather conditions trap pollutants over the plain.

Sulfur dioxide is one of the major pollutants in air. Its monitor is of great Significance to environment protection.

the motor vehicles and vessels that cannot be made to meet the prescribed norms for pollutants discharge shall be confiscated and destroyed.

She explained that the studied pollutants "are mainly man-made" and "end up in the oceans upon release into the environment. "

A product of fire and a component of smoke, carbon monoxide is among the pollutants that wildfires spread across much of western Russia.

The aim of the total amount of pollutants is to protect more effectively regional environment and improving environmental quality.

He said discharges of industrial pollutants were concentrated in very few industries and regions. There were "no major surprises" .

North Dakota's capital is protected from pollutants due to a relatively remote location and the fact that it's not downwind of other cities.

"Combining nature with technology can increase the effectiveness of plants in removing air pollutants, " he said.

Consequently, remediation of sediments contaminated by refractory organic pollutants is one of the urgent environmental issues at present.

The recent researches are beginning to reveal its satisfactory performance in air pollutants control.

Analyses the main emission pollutants from vehicles and discusses some air quality standards which could be used for references.

Volatile organic pollutants into the atmosphere, enter the body through the respiratory system, has been on human health hazard.

Of course, a degree of scientific uncertainty remains about some of these pollutants' precise contribution to warming.

Yet averages between cities have served as the main measure of the long-term effects of pollutants .

Yet averages between cities had served as the main measure of the long term effects of pollutants.

Other pollutants, after all, are essentially impurities, which can be washed from the coal or filtered out of the flue gas.

Acid rain and heavy metals are only a few of the many pollutants that contaminate rivers, lakes, streams, seas, and oceans.

Dirty air or air-borne garbage causes stinging eyes and running nose. Pollutants are destructive.

In this paper, persistent organic pollutants (POPs) in terms of the definition, characteristics and sources are briefly described.

Yes, if water tests show that your drinking water contains pollutants or if it has an unpleasant taste or color.

Organic pollutants inflow into the bottom of rivers and drainage channels with rainfall and surface runoff directly.

The environmental chemistry and ecological toxicology of the protracted organic pollutants is one of the active fields now.

abstract: Objective To understand the relationship between air pollutants and the respiratory daily mortality in Guangzhou.

The fact that only drum fish died means the cause of death was localized in a specific species, which rules out pollutants or toxins.

Speaking of a healthy baby's room, there are few website to help parents keep toxins and pollutants to a minimum.

Search nationally, by state or by city, to see what pollutants are currently in the air.

Additional water is pumped through the garden systems, which biologically filter out contaminants and pollutants.

And for those unimpressed by the more distant threat of climate change, there is always the immediate problem of conventional pollutants.

This time, rather than just report the concentrations of the pollutants, she and her colleagues tried to determine their sources.

Any major changes in the kinds, quantities and density of the discharged land-based pollutants must be reported in a timely manner.

In the lower atmosphere, pollutants like sulphur dioxide "rain out" of the air within days.

The concrete measures for the State Council shall prescribe the total emission control of major air pollutants.

It was possible to cut down the amount of pollutants in leather processing, and rationally utilize waste and environment friendly dispose.

dependence between pollutants , so long as the flow capacity and concentration of one of kind of pollutants can be . . .

One of the main problems is the lack of an effective way to remove these pollutants on a large scale expediently.

These pollutants, which take the form of tiny, airborne particles called aerosols, act as nuclei around which cloud droplets form.

Due to the effects of climate change, shrinking habitat, and an increase in pollutants in northern waters, their future is uncertain.

In plants of this type, coal would be gasified and pollutants like mercury, sulfur and soot removed before burning.

The results show that karst water in Jinan has generally been polluted by organic pollutants, which detection rate is up to 93%.

Experiments show that the oxidation with hydrogen peroxide is an effective process for the destruction of organic pollutants.

Photocatalytic processes to degrade organic pollutants in water by utilizing a catalyst have been the subject of research recently.

The main gaseous pollutants from automobile exhausts, nitrogen dioxides and carbon monoxide, are the major air pollutants in the city.

The rate of growth in environmental pollutants and pollutant production in unit GDP production dropped significantly.

With the booming, the reservoir area water would be polluted more seriously by the large quantity of pollutants from b. . .

They have the dubious distinction of belonging to the "dirty dozen" - a group of dangerous chemicals known as persistent organic pollutants.

The many textile-dying, chemical- and food-processing plants around the lake have caused a major accumulation of pollutants.

Ozone is one of the major pollutants at the ground level, though a good gas in the stratosphere.

Visitors must pass through a filtration(9) system to help reduce the work's exposure to dust and pollutants.

ROAD VEHICLES. MEASUREMENT METHODS FOR GASEOUS POLLUTANTS EMITTED BY MOPEDS EQUIPPED WITH A CONTROLLED IGNITION ENGINE.

All belong to a group of chemicals known as persistent organic pollutants (POPs).

Application of a powerful evaluation and management system for gross control of regional pollutants in Yangzhou is presented.

NO_x is one of the most serious pollutants which are difficult to be dealt with.

Pollutants like industrial waste, sewage runoff, overpopulation and agriculture discharges all make for quite a toxic brew.

" To discharge " means to drain pollutants into the sea, including pumping, spilling, releasing, gushing and pouring.

"After the authorities lifted the traffic restrictions, the levels of these pollutants shot right back up, " Witte noted.

Farms are revealed by the report to be the biggest single source of the main water pollutants.

The content of organic pollutants is the highest at the surface of sediment, and the organic content decreases with the depth of sediment.

Given the age of the coal fleet, many of the oldest plants also run afoul of clean-air guidelines on traditional pollutants.

This change has been thought to be due to lifestyle changes, the rise in overweight and obesity, and exposure to toxins and pollutants.

Ship operations emit nitrogen oxides, sulfur dioxide, particulate matter, and hazardous pollutants into the air.

As the concentration of pollutants through the food chain, researchers worry that the plankton-eating fish will be contaminated.

The EPA regulates outdoor air pollutants in the United States and oversees exposures from air, water, and soil.

Effective gross control of regional pollutants should be a criterion for all responsible senior level government officials.

Arsenic among chemical elements pollution is one of the most serious pollutants.

The natural ecological cycle depends on plants, which absorb some pollutants and release oxygen to the air.

As human efforts to develop new substances, the atmosphere of the types and quantities of pollutants are also constantly changing.

This missing piece of the puzzle might help scientists design new engines that emit fewer pollutants, paving the way for clearer skies.

The mixture, incubated at rather less than body temperature, produced carbon dioxide and hydrogen but no pollutants.

with a wide array of environmental pollutants including gases, particulates, sewage and et al.

The studies show that the bi- frequency ultrasound is an effective method for pollutants degradation, but it need to make further study.

Presently the extracellular polymers in natural biofilms have been found to strongly impact the pollutants' action in aquatic environment.

These(organic) pollutants in water could be biodegraded mostly, even fully through the co-metabolism action by some microorganisms.

The first step to vibrant health, is to detoxify the body of health-repressing toxins and pollutants.

Lanzhou section of the Yellow River; water environment; environmental capacity; pollutants; industrial; layout.

The invention provides a chemical filter capable of maintaining removal performance of ionic gaseous pollutants for a long time.

The emission of combustible, carbon-containing pollutants can be controlled by optimizing the combustion process.

In Europe it is currently one of the air pollutants of most concern.

airborne particles and pollutants are filtered from the atmosphere by the substrates and vegetation on a green roof.

When break, the deposits lean along the lower reaches of the valley carrying variety of pollutants.

Hangzhou intended to control the total amount of vehicle pollutants, in order to lessen the pressure of the atmosphere.

When air is filled with harmful chemicals and pollutants, the trees and plants absorb this as well.

industrial pipework . suction pipe for atmospheric pollutants . basic metal components . specifications.

Large amount of respiratory mortality corresponded with the month in a higher concentration of pollutants in line.

The main ingredients of the pollutants adhered to the membrane surface are oxygen-containing organic compounds.

the main relations of the atmospheric particles water-soluble ion, the main air pollutants and the chemical components of precipitation.

Finally, some pollutants, most notably atomic waste, may continue to contaminate air, land, and water for thousands of years.

From the perspective of the water treatment development in recent years, refractory pollutants are a major problem.

Energy consume and pollutants emission are the major factors which affect the air quality in Fushun city.

Separation of chiral transformation products greatly complements the understanding of stereochemistry of chiral pollutants.

It is clear that the effects of these environmental pollutants are very real .

Organic polymers and petroleum hydrocarbons are the main pollutants in viscous oil wastewater.

Furthermore, nano-zeolite can also be used for removing other pollutants.

Air pollution is the concentration of pollutants in the atmosphere of harmful degree, exceeding the environmental quality standards.

Printing plant and paper mill and color printing factory were the main sources of the soil pollutants in the target area.

Compared with other pollutants, the heavy metal pollution latent and is toxic, NiZhuanXing protracted and not the characteristics.

The organic pollutants exist in karst water with a lower content and superscalar phenomenon only exists in local area.

Electrogalvanizing zinc plate was used to degrade the organic pollutants in wastewater.

Those who discharge pollutants into any water body for which local standards have been established shall observe such local standards.

Those that discharge pollutants into water shall pay a pollutant discharge fee in accordance with the pertinent provisions of the State.

Dioxin-like chemical(sDLCs)are among the most toxic pollutants to the environments. So far, about 90% of DLCs come from the waste burning.

Sulphur dioxide has been regarded as one of the most serious of these pollutants.

As one of heavy metal pollutants in soil, Arsenic has a great impact on the growth of plants and animals.

The results show that the water body of the river reach is polluted, and the main pollutants are manganese and coliform bacteria.

Agreeing on a shared strategy to curtail short-lived pollutants would be a good way for all of them to start.

Dioxins are a group of chemically-related compounds that are persistent environmental pollutants.

Cytotoxicity and Apoptosis : evaluation of toxic compounds, anti-cancer antibodies, toxins, environmental pollutants etc.

Uptake of organic pollutants by plant was considered as the local partitions between organic components of plants and environment media.

Most of its tasks have focused on the movement of air and associated penalties involving distribution of pollutants, energy and fresh air.

The pollutants in the first runoff were in the form of adsorbing on the solid particles.

pollution is commonly attributed to motor vehicles' releasing pollutants into the atmosphere.

The electrolytic mechanism, course of the object pollutants and the biodegradability after electroanalysis were studied.

It has set a number of targets for reducing emissions of pollutants and there has been good progress in this direction.

To promote environmental protection education and enhance management of rural pollutants discharge for purification of rural environment.

Maoming Petrochemical Ethylene to establish a circular economy as the goal, insist on the source from the production to contain pollutants.

The preparation of the catalyst is simple, safe, innocuous and free from pollutants and the catalyst can be recycled.

"This is, in effect, a fingerprint . . . the pollutants fingerprint, " one of the scientists said.

The aim of this project is to model impacts of long-range transported pollutants to air pollution over Taiwan.

Walk on the windward side of the street where exposure to pollutants can be 50 percent less than on the downside.

Pollution absorptive capacity----The ability of the environment to absorb pollutants without incurring damage.

Even if Beijing cuts man-made emissions to zero, levels of such pollutants could still hit danger levels during the games, it says.

To ensure environmental safety, we launched the fourth annual nationwide campaign to punish enterprises that illegally discharge pollutants.

The manufacturing process uses large amounts of energy and generates pollutants that contribute to global warming.

He also says that substances released into the air by burning the fat are low in harmful pollutants, including sulfur.

Blumberg has shown that the organic pollutants tributyltin and triphenyltin derail the hormonal mechanisms that control the weight of mice.

As a result, the pollutants generated in most households seldom build up to dangerous levels.

Polycyclic aromatic hydrocarbons (PAHs) are widespread environmental pollutants with high toxicity.

Alternatively, a chemical may be injected into the scrubber water, which then reacts with the pollutants.

Amid the gaseous pollutants they inhale are carbon monoxide, sulphur dioxide, nitrogen oxides, hydrochloric acid, ammonia and hydrocarbons.

Compressed air of liquid water will cause the pipeline corrosion (produced solid pollutants), lubricants scour erosion, equipment damage.

A growing body of research is shedding light on the ways that air pollutants impinge on the health of the American public.

Road vehicles. Measurement method of gaseous pollutants emitted by motorcycles equipped with a controlled ingition engine.

The trash and pollutants can be removed, new water quality standards enforced, "Venice" resurrected.

Various pollutants leased by university laboratories jeopardize the health of experiment staff and worsen environment pollution.

Environmental benefit assessment index for energy recovery period, reducing the emissions of pollutants and environmental costs.

Units shall report in time on any substantial change in the categories, quantities or concentrations of the pollutants discharged.

Even relatively low concentrations of air pollutants have been related to a range of adverse health effects.

Heterocyclic aromatic hydrocarbons are major pollutants in industrial wastewater treatment.

Both the tiles and the floor must be clean, dry and dust free. Clean off any grease, paint or pollutants. Prepare the bonding cement .

Granular pollutants include solid state carbon granule , and dissolubility organic distilled water materials .

Microbe-soil pollution ecology is a subject researching the interrelationship among fungus, pollutants and soil environment.

Article 32 No motor vehicles and vessels shall be permitted to discharge atmospheric pollutants in excess of the prescribed discharge norms.

Evaluating the major factors for pollution level, and introducing to the characteristics and control technologies of pollutants.

The results indicate divergent trends in emissions of various industrial pollutants, and suggest that pollution impedes economic growth.

In future, a range of genetic and environmental factors could be studied, including the effects of pollutants on our fertility.

This paper introduced solid phase extraction(SPE) technique in details in collecting trace organic vapour pollutants in ambient atmospheres.

A warmer Lake Superior may also have consequences for the movement of airborne pollutants to and from lakeshore communities.

Research on the Movement of Nutrient - pollutants in an Agricultural Watershed in East China .

Industrial pipework. Suction pipe for atmospheric pollutants. Additionnal metal components . Specifications.

We tax pollutants to discourage their production in other parts of the economy.

By linear regression method, we explored the association between incidence of birth defects with air pollutants and meteorological factors.

Two pollutants cause most of the problem: oxides of nitrogen, which damage the lungs, and fine particulates, which are also carcinogenic.

Constructed wetlands in the riparian zone can decontaminate certain organic pollutants and nutrients in surface runoff effectively.

testing the most advanced techniques for converting coal to a gas, capturing pollutants, and burning the gas for power.

We found that the concentrations of pollutants were correlated with the growth phases of fish cultured in the corresponding tanks.

Sometimes industries discharge pollutants into city sewers, increasing the variety of pollutants in municipal areas.

Indoor air pollutants include formaldehyde, benzene, volatile organic compounds, nitrogen oxides, etc.

The results showed that the major odor pollutants are hydrogen sulfide, organic sulfide, phenol, organic amine and organic acids.

The surface layer transport condition such as airflow is closely related to the dilution and diffusion of atmospheric pollutants.

Emission standard of air Pollutants for heart transmission boiler was not established clearly in the environment standard.

Scientists are continuing to amass data concerning the effects of many other types of toxic pollutants.

The environmental behaviors and ecotoxic effects of herbicides and their interactions with other pollutants were reviewed.

But in many areas, pollutants are put into the air faster than weather conditions can dispose of them.

Women's exposure to pesticides, solvents and persistent organic pollutants may potentially affect the health of the fetus.

while the transversal wind will result in the higher concentration of pollutants in a large range around the tunnel portal.

The structures, specific properties and harms to humanity and environment about persistent organic pollutants are discussed.

Rivers are being cleaned. Air is purified, and pollutants are being trapped before they are poured out of chimneys.

The concern that pollutants might come from air or animals with the use an opened tank favors the use of a closed expansion tank.

Water is used for carrying away the pollutants collected by electrodes and sheets and maintain the reactor in optimal operating conditions .

Plant metabolism of CO2 and air pollutants and gas fluxes in plant ecosystems influence global gas cycles as well.

construction of other facilities, the pollutants emissions shall not exceed the prescribed discharge standards.

It bonds well with pollutants in the atmosphere, but breaks down quickly in the presence of light.

EPA as priority pollutants, Sb speciation analysis in the environment and biomonitoring has received relatively little attention.

We call the waste water with organics as the major pollutants in a high concentration "Organic Waste Water" .

Pollutants reach the sea from adjacent shorelines, from ships, and from offshore oil platforms.

The four places in the automobile from which pollutants can escape are the fuel tank, carburetor, crankcase and tail pipe.

Wind acts as part of the planet's circulatory system for heat, moisture, plant nutrients, and long-lived pollutants.

Inventory lists of major pollutants. The EPA documents and publishes inventory lists of major pollutants introduced by industrial sites.

Thus the contact of the catalyst with pollutants in feedstock and heavy toxicants is avoided. So the catalyst service life is longer.

Phytoremediation is an emerging technology that uses plants to clean up pollutants in the environment.

As incomes go up, people often focus first on cleaning up their drinking water, and then later on air pollutants like sulfur dioxide.

Methane and black carbon (sooty particles) emitted by inefficient stove combustion are powerful climate change pollutants.

Environmental catalysis directed toward destruction of gaseous pollutants.

Similarly, black carbon can in many places be managed under existing clean-air regulations, as can some other climate-changing pollutants.

Above measures to cut the gaseous pollutants are effective means for controlling the production of secondary particles and ozone pollution.

Beams of electrons can help clean water and air by breaking down pollutants into different molecular compounds.

Also known as the "primary pollutants. "

Methyl tert-butyl ether is a widely used gasoline additive, for increasing fuel octane levels and reducing tailpipe emission of pollutants.

The results showed that the project could let all the pollutants from the workshop meet the emission standards.

As a safe and reliable technology for the treatment of air pollutants, phytoremediation has been of great interest in the past years.

Also, we approach the problems in the evaluation of the environmental pollutants on human reproductive toxicity.

Therefore, control and treatment of road surface runoff pollutants becomes an outstanding issue in the technology of permeable road surface.

It is generally felt now that a combination of several pollutants may have been associated with this, as well as other community disasters.

Pollutants introduce noise to this process, like static over a radio station.

The self-made multi-needle-mesh reactor was adopted in this study, and benzene and m-xylene were selected as the target pollutants.

The sources of indoor air pollutants and its influence on the indoor air quality and the hazard on human health were analyzed.

The new energy considerably reduces the emission of pollutants causing plenty of ecological problems.

Water chemists study the chemical composition of seawater. They also analyze the types and quantities of pollutants entering ocean waters.

Verification project sewage link, and the calculation of emissions of pollutants generated, cleaner production analysis.

As a new type of zero-valent iron, sponge iron possesses positive capacities for removing pollutants from water body.

His lungs were blackened with atmospheric pollutants and he showed evidence of tuberculosis.

Polychlorinated pesticides and herbicides are of important organic pollutants in soils owing to their poor biodegradability.

Meteorologists say pollutants, partly from vehicle waste and coal burning in the winter, gradually accumulated in recent windless days.

The bags consumed less energy and generated fewer pollutants during manufacture, transportation, and disposal.

Contaminants and pollutants studied included toxic heavy metals, organic pesticides, oil, and radio nuclides .

Stable isotope technique is a new, innovative approach to assess the source and natural attenuation of organic pollutants in environment.

Silica or alumina based ceramic diffusers generate microbubbles for solid-liquid separation of pollutants in wastewater.

These build upon existing WHO outdoor air quality guidelines and recently published WHO guidance on levels of specific indoor pollutants.

Extensive application prospects of SPME in determination of organic pollutants in the environment were emphasis. . .

Chemical catalytic oxidation is fit for the processing of high strength, persistent organic pollutants.

Phytoremediation involves the use of plant for removing pollutants from soils and water and makes environmental remediation.

Air polluting acts in the foregoing paragraph means acts in which air pollutants are not emitted through exhaust pipes.

These "conventional" pollutants remain in the atmosphere for only a short time.

Study on removal rate of pollutants and plant growth in subsurface and surface flow constructed wetlands.

New concepts of the scale partial index of air pollutants and the scale integrated index of air environmental quality are suggested.

The distributions of non cancer risks or cancer risks were similar with the distributions of pollutants concentrations.

The likelihood of immediate reactions to indoor air pollutants depends on several factors.

That conclusion is underscored by a new study, which looks at the pollutants that go up smokestacks along with carbon dioxide.

Pollutants in cigarettes called PAHs (polycyclic aromatic hydrocarbons) can cause genetic damage in minutes.

Wetland water quality were mainly threatened by organic pollutants and eutrophication pollutants.

Water born pathogens or pollutants are something citizens of industrialized countries are rarely concerned about.

In a word, marine sediments has become the main reservoir of persistent and poison chemical pollutants in marine environment.

Reverse osmosis (RO) is a compact process for the removal of ionic and organic pollutants from contaminated water.

So effective methods should be taken to control the diffusion of the pollutants from the tunnel portal.

In addition, transportation infrastructure construction and expansion often generate pollutants or endanger natural resources.

Even so, industrial emissions of pollutants are still act recklessly and care for nobody pollution rare freshwater resources.

On the Newly Promulgated "Discharge Standards of Pollutants for Municipal Wastewater Treatment Plant"

One of the typical halogenated aromatic, 1, 4-DCB is choose d as the research target pollutants in this study.

In addition , Beijing is surrounded by mountains that prevent pollutants from dispersing and is subject to severe sandstorms .

The accident happened in Jilin, and the pollutants spilled into the Songhua River, where crews are fishing out barrels of poison today.

Using the correlation of pollutants can reduce the number of monitoring factors and improve the effectiveness of data collection.

This class of technology seems especially suitable for removing organic pollutants, salts and heavy metals from liquids.

The relationship of changes in the central nervous system and sense organs to environmental pollutants is a vast and difficult topic.

Artificial lights block formation of molecules that bond with air pollutants to clear the air.

And it is very important for preventing the diseases induced by indoor air pollutants to understand those main effective factors.

In city clusters of China, surface ozone pollution has become one of the major air pollutants.

Discussion on "One-dimensional numerical analyses of migration processes of pollutants through a clay liner considering sorption of aquifer"

Hydroxyl helps break down pollutants like sulfur dioxide, carbon monoxide, hydrocarbons and even the powerful greenhouse gas, methane.

All pollutants except falling-dust in residential and clean regions are within the standard.