sediment

It had 1, 100 years of sediment accumulated on top of that.

The bottle should not be allowed to touch the bottom in the sampling to avoid stirring up the sediment.

It cannot be excluded, however, that the variable sediment physicochemical characteristics could also have had some effect.

With oil settling into the sediment deep on the seafloor, it's difficult to see at this point exactly how they are going to pull that off.

it had relationship of distribution in various organs of Suaeda heteroptera and sediment of organic matter and its physicochemical property.

The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities.

This article, by means of biological toxicity tests, analyzes the feature of the bottom Sediment poison pollution in the Dashahe River.

The method has been used for the determination of trace beryllium in osmotic water and sediment.

They turn up rocks and disturb sediment to see what flows into a collection net downstream.

If the old things to mention today, whether by not long for her guidance, at least on her so long to filter sediment, think she is.

non-uniform sediment transport in form of suspended and bed load, with the consideration of exchange mechanic between them.

The effect of DOA on naphthalene sorption on sediment might be attributed to the two main actions at least.

The size of a sediment particle alone is usually not sufficient to describe it.

Eventhat has not been much use as those tributaries are not powerful enough to distribute the sediment in an ecologically valuable way.

These cores were passed along the surface sediment by the diver, and stopper were installed at both ends.

The second type of core, the 'surface skimmer'core, was used to measure the composition of recently-deposited sediment.

Flowing water, though, has routinely moved gargantuan amounts of sediment on Earth and could have done so on the Red Planet as well.

The predicted limit of the stability zone by different methods is not always consistent with actual limit of hydrate sediment.

Shells and bones decay and disappear when left on the bottom of the sea, where sediment is not accumulating.

Finally, the influence of the water quality result by taking the wind field and sediment pollution into account are discussed.

The flexing action of the sleeve breaks up any sediment or build-up in the valve, which makes the Type A a reliable low-maintenance valve.

(chemistry) of a liquid; floating on the surface above a sediment or precipitate.

This model introduces a concept of unsaturated sediment transport, reflecting the variation of rill erosion along the distance.

Most of the sediment deposited around the Yellow River delta and only a little was transported far away.

The Lithofacies is usually classified into overflow, explosive and volcanic sediment facies.

Older water heaters can rust, collect sand and sediment in the bottom, and are also costing you 15% of your household's energy dollars.

The sediment in ventilation an air-conditioning systems may cause a fire, or spread the fire.

The weight of a deltaic pile of sediment may be so great as to depress the earth's crust, thus forming a moat around the depocentre.

Water quality monitoring is generally conducted once a month, and sediment quality monitoring is conducted twice a year.

For full details of the methods used for testing water and sediment samples, please refer to Appendix A-13 and A-14.

Besides, this article, with chemistry monitoring means, analyzes that the poison in the bottom sediment is mostly organic matter.

There was more flow and sediment in the wet season in North Channel, the sediment movement was active.

Queensland's floods have pumped vast amounts of sediment into the sea which is infiltrating some parts of the Great Barrier Reef.

Soft sediment deformation is one of the key indicators identifying the existence of paleo-earthquake.

Abatement of this can only be achieved after a complete understanding of the quantitative role of sediment in the P- and N cycle.

With some observations to a few completed reservoirs, the impact manner and degree of sediment transportation rule were discussed.

After soaking, most of the sand can and the car paint from, then wash with water, can avoid sediment scratch the surface dangerous.

For instance, investments in clean, sediment-free water are often the same investments capable of protecting aquatic biodiversity.

Part of the boundary P within the sediments can be released to the sediment interstitial water by decomposing or dissolving.

Such rapid influxes of sediment probably overwhelm the bottom dwellers in an area.

Or to be placed in vases in the post-cold juice sediment.

Therefore, the water-sediment regulation is one of the effective measures to solve the sedimental problems of the Yellow River.

If the ball within the cylinder sediment, and welding slags sundry total volume in not more than 5 litre, pigging qualified.

Sand wave movement is an important form of sediment movement for alluvial rivers and has a great effect on stream resistance.

The breakdown of a portion of this matter by bacteria in the sediment contributes significantly to atmospheric carbon dioxide.

They sediment toward the bottom of the centrifuge tube at a velocity.

Both sediment nitrogen and sediment temporally showed peak values, while sediment phosphorus did not.

The technique measures light energy trapped in sediment grains surrounding the tools from the last time the layer was exposed to sunlight.

failure to do this may result in noisy operation and lime and sediment buildup in the bottom of the tank.

It also shows that it has advantages using water-sediment diagram in analyzing the trends in water and sediment loads of rivers.

Something that settles to the bottom of a fluid ; sediment .

Water-cooled after the boil to continue to soak until the bottom of the pot to remove the black sediment.

Day by day the sea is eating the land - the dam has stopped the sediment of the Nile from replenishing the shoreline.

Relation between water erosion dynamics and sediment yield is one of the key problem in soil erosion prediction.

Then the water was too muddy to admit of his seeing the fish, and he was compelled to wait until the sediment had settled.

The roots began to hold sediment in place. Thus the riverbank was born and waterways began to get thinner and more defined.

Glaciation may also be conducive for the formation of supergiant sediment-hosted stratiform copper deposits.

As with all wines of premium quality, this wine may produce a sediment .

Nielsen and his team took samples of bacteria-laced sediment from the sea floor close to Aarhus.

The lognormal distribution is widely used in geology to characterize sediment size variations and geochemical element concentrations .

Meanwhile, the sedimentary system had been changed into continental basin sediment from marine carbonatite sediment.

Contaminated bottom sediment in water system was apt to be disturbed by navigation, especially by propeller jet flow behind the boats.

But those near the main Hawaiian island population centers are under pressure from sediment found in runoff, overfishing and invasive algae.

One way of ocenologists to analyse the sediment on the seafloor is to see how long term temperature will affect the depth of the ocean.

The researchers determined the age of each chunk by carbon dating, possible because the sediment is rich in decomposed plant matter.

The Permit Holder shall install sediment traps at all site discharge points before commencement of construction works at the Project site.

These structures should be considered where chronic erosion is a problem due to the diminished sediment supply.

the regional differences of the runoff cost of sediment control of integrated measures in different scale basins also are obvious.

Bajiazui reservoir was constructed in loess plateau. The sediment has been silted up in the reservoir seriously.

Finally, the Rio de la Plata deposits nitrogen and iron-laden sediment into the ocean just north of the area shown in the image.

The seabed sediment resistivity is of great importance to the seabed sediment corrosivity assessment.

For dli channel at down-slope, sediment regime is always detachment and transport dominated.

These two parts of the animal take it in turns to act as an anchor, while the other digs further into the sediment.

Moreover, the Simulation results of the former three parts can provide the inflow water and sediment concentration for the forth one.

Helical - corrugated pipe can deliver more sediment with a given power input than either standard corrugated or plain pipe .

When snorkeling, do not touch the coral or stir up sediment, as these actions can damage the reef's fragile ecosystem.

The rate of sediment supply will have a profound effect on whether certain parts of the systems tracts are developed.

Mr. Knecht said that 315 million years ago, this place was near the side of a steep hill where sediment piled up quickly.

Suspended sediment concentration at the bottom layer is higher than that at the surface layer.

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

The vertical variation of the phosphorus form in the sediment in different sites might also be different even in the same lake.

The gold, detached from the copper, forms a sediment at the bottom of the cell.

And the temperature of producing gelatin and sediment is up to their types , thicknesses and heating speeds.

", " Wash with dishcloth entrainment of sediment scratches, the car paint is one of the reasons.

Key of the terrestrial stratotype establishment is to discover a sediment-successive section with rich fossils and complete exposure.

Includes a fine mesh screen to trap unwanted sediment.

Analysis of sediment source is one of an important content of basin analysis.

immediately downstream, the sediment from the landslide dammed the river and created a new lake, known as Earthquake Lake.

This sediment will then probably be formed into a folded and imbricated structure.

Once the probe has been hauled up, a coring device will be lowered down the borehole to take samples of the lake floor sediment.

Telltale mud Bayon and his colleagues have been studying sediment at the mouth of the Congo River.

The finds discovered include lead and stone objects buried in sediment and considered to be anchors due to their axial holes.

Leaves of three-dimensional model must be transformed into three-dimensional model of the sediment cores.

When the measuring environment change from in situ to the laboratory, the acoustic characters of the sea bottom sediment will vary.

Another tributaries originate in Canada and the United States border areas, small river water, sediment, the water level in major changes.

Separating overlapped cells to individual ones is a great important and difficult task in automatic urinary sediment examination system.

The production of carbon dioxide by lake sediment will increase correspondingly, resulting in higher levels of emissions to the atmosphere.

The flows of fertile sediment that have for centuries sustained farmers along the Mekong's banks will diminish.

To purge the lines of any excess air and sediment, keep the hot water faucet open for 3 minutes after a constant flow of water is obtained.

But a feather duster, duster sediment deposition is not easy as long as pay attention when the ash, can avoid to scratch paint.

After initial sediment and consequent concentration, the formation of the phosphorite is related closely to the paleogeography.

Climate changes in center Asia since the middle pleistocene--Study from loess sediment in north slop of Tianshan Mt.

Use a trowel, collect the top layer of the sediment. Place the sediment in a sieve and STIR it gently in the water.

The evidence for the ancient climate change comes from sediment records taken from off the coast of South America.

Once a wave breaks, a shallow layer of water glides along the shore, carrying sediment with it.

Sedimentation embodies the processes of erosion, entrainment, transportation, deposition, and compaction of sediment.

At present, the screw pump is widely used in exploiting crude oil with high viscosity, high sediment concentration or high gas content.

Rill scouring associated with sediment re-detached from a depositional area can be an important phenomenon in rill narrowing and deepening.

The inhibition of 18 substituted phenolics to ammonia-oxidizing activity of sediment was measured by means of oscillator test.

The results show that the amount of phosphorous is in dynamic equilibrium in water phase and sediment phase.

You may eventually sediment just like the sedimentation .

If you have a nice, old red , then stand it up for several hours to get the sediment to the bottom.

Many theories have been developed to approach the vertical profiles of suspended sediment concentration in sediment-laden flows.

Sediment storage dam for farmland forming was a key measure for the soil erosion control in the Loess Plateau area.

Plumes of sediment from the overburden piles enter the Sulu Sea along the northern and eastern coastline of the island.

Alluvial soil A type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods.

Much of the water in a sample of water-saturated sediment or rock will drain from it if the sample is put in a suitable dry place.

Coacervation paint: Can condensation polymerization quickly for the paint when construction not sediment, salvage easy .

Salt domes form as a consequence of the relative buoyancy of salt when buried beneath other types of sediment.

Based on the analysis of the sediment balance, the change of sediment deposit is one of the important factors for scale effect.

Maintains the breeding pond so that sediment does not collect on the bottom.

As the rate of river bed roughness decreases, a larger flow velocity, so that flood sediment can all embrace the smooth transit.

Through experiment, the different light model sediment moving low and character of physical and chemical can be studied.

On this basis the principles of waterway emulation, regulation measures and the impact on sediment environment are further studied.

Eventually, however, the continued flow washed most of the sediment out of the canyon.

But what process could have transported the massive amount of sediment needed to bury almost everything in the Gale Crater region?

This paper analyzed the hydrologic and sediment characteristics, trend of channel evolution and stability of the channel section.

The two tables below give a summary of parameters for water and sediment samples tested by the EPD and Government Laboratory.

The variation of sediment concentration with time was the attenuation trend of half sine wave.

These results document the significant increases in runoff, sediment, and nutrient export associated with residential development.

Obviously, the sediment yield reflects the intangible assets, including all the benefits created by the brand.

Among the latter are climate, relief in the drainage basin, sediment yield, and the water discharge regime.

When scientists take a sediment core, they sometimes find that pollen from different species dominates in different eras.

The primary sediment body is a lunate bar, convex seaward, with the coarsest sediment particles located landward of the bar crest.

Furthermore, the intensive gully erosion is another important inducement of the increase of sediment yields in Longchuan River.

Worms, other deep-living organisms and sediment require oxygen that will not reach them through the slime.

In the continuous meandering channel, the two different modes of sediment are the movement of same bank and different bank.

The paper probes into influences of different water and sediment parameters to high efficient sediment transport flow.

cultivation of aquatic plants which could control the concentration of nitrogen and phosphorous in water and sediment.

The physical property of reservoir were multiply influenced by original components of sediment, deposition, diagenesis and tectonism.

fanning Moving the pectoral, pelvic, anal, or caudal fins over the egg mass or fry and thereby aerating them and removing sediment.

The arrow indicates direction of sediment transportation.

For more than a month, thick sediment has poured into the ocean depositing chemicals and pesticides onto fragile marine ecosystems.

In this thesis the high-speed sediment flow abrasive damage mechanism and influencing factors research have been conducted.

The bending braided river is common in the alluvial plain, which water and sediment movement characteristics are complex.

Experimental results show that the proposed method can segment urinary sediment images effectively and precisely.

The experimental results show that SVM method has higher recognition rate of urine sediment classification.

Finally, it is pointed out that the water and sediment adjustment is the key measure for preventing ice jam and settling the new ice regime.

After days, the accumulated sediment of your thought will become munificence.

Sanitary quality usually is measured by counts of bacteria, yeast, mold, and insect fragments, As well as by sediment levels.

The experiment results are meaningful for quantifying runoff and sediment reduction and deepening soil erosion mechanical process also.

The water quality, sediment and biological factors were monitored to analyze marine environment quality of Lianyungang harbor district.

This paper deals with the reservoir description of this block by and characters of tectonics and sediment.

Located on a prehistoric lake bed, which accumulated nutrient-rich sediment, contributing to the fertile topsoil.

sediment photographs and particle size distribution were given to illustrate the stability and evenness of suspension with dispersant.

Many problems in sediment engineering involve dealing with river valley deposits as a whole.

In 1996, Chinese engineers blocked the main channel and forced the river to veer northeast, delivering sediment to a new location.

The organic matter may partially decompose, using up the dissolved oxygen in the sediment.

Reasonable prediction of sediment concentration could provide a technical support to other measures for the Yellow River.

In this paper the transport and fate of petroleum hydrocarbons in sediment flows is simulated by a one dimensional numerical model.

The model is applied to simulate the motion of channel suspended sediment after its effectiveness is validated.

The experimental results showed that endogenous phosphorus and ferrous seldom released from the sediment under aerobic condition.

Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.

With the same initial concentration of phosphorous in water phase, the equilibrium time increases with the concentration of sediment.

Lack of sediment has meant that local fish species have become extinct and the Grand Canyon's beaches have been severely eroded.

The results are helpful for choosing the appropriate extraction method for the research of P fractions from lacustrine sediment.

A type of refraction survey to help define a salt-sediment interface near a wellbore.

Pearl river, years of less sand for an average of sediment 0. 249 kilograms every year on average, sediment LiMi 8872 tons.

The system of sediment - interstitial water in typical inner-city hyper - eutrophic lake in Wuhan City was studied.

The relations between sediment physicochemical parameters, standing crops of macrozoobenthos and submerged macrophytes were analyzed.

Any washout of construction or excavated materials should be diverted to the drainage system via sediment traps .

Analysis should be the reinstatement of the environment, there are intermittent eruption of deep-sea sediment environment.

Sediment quality criteria (SQC) are the supplement of current water quality criteria, being of significance in water quality management.

In the early 1990s, the federal Environmental Protection Agency hauled away most of the cadmium-laced sediment from Foundry Cove.

In this experiment, the effects of different mixing reed residue sediment substrates on sweet pepper seedlings culture were investigated.

From upstream to downstream, the concentrations of arsenic in both water and sediment tend to decrease gradually.

The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.

When sediment environmental conditions changed, the heavy metal in sediment will release again and contaminate the overlying water.

Discusses the online inspection of the content of the river sediment in user of computer graphic processing technology.

Quality measurement of river sediment particle size analysis method needs unified indicators and computation method.

Sediment regime in rill erosion process was always detachment-transport.

In the determination of the inorganic constituents of the sediment there are two ways to look upon the analysis.

Almost all the sediments on the continental shelf from the land-based sediment brought by rivers, while the ocean so much as.

layers of sediment that were deposited on the ocean floor; glaciers that deposited their debris as they melted.

viewing from macro point, the weak equilibrium of scour and fill is the main reason of causing multi-value of sediment carrying capacity.

The disadvantages are mainly high equipment costs and plugging of the lines by sediment, salt encrustation , or algae.

Forest vegetation impacts on runoff and sediment within nested experiment watersheds on the loess plateau in western Shanxi province.

The first bed-forming discharge represents equivalent discharge of sediment transporting capacity in variable discharge process, i.

The layered natural settlement laws of dredged sediment hydraulic filling were studied with settling column experiments.

gas hydrate accumulations in sediment can be both structural and stratigraphic.

The brown and black stripes you see on the icebergs are created by sediment underneath the ice shelf.

Flat versions allow sediment and particles to sweep past the measurement surface, minimizing risks of abrasion, breakage and coating.

Tannin is a plant polyphenol. It could combine protein in solution to form sediment so as improve abiological stabilization of the solution.

The sediment which settles down in the purifying process is used as fertilizer.

The result showed that the mechanism composing of sediment was correlated nearly to the content of the heavy metal Hg.

Pier; Scour; Downflow ; Bed Shear; Nonuniform Sediment; Unsteady Flow; Experimental Measure.

Because sediment deposition can occur on inclined surfaces, apparent or measured bed thickness might differ from true bed thickness.

Among other things, those investigations revealed that the lake has a soft floor, which presumably means a thick layer of sediment.

Beneath the sediment, along the accretionary front, the sinking Arabian plate heats up under extreme pressure and rock melts into magma.

Petroleum products - Determination of water and sediment in residual fuel oils - Centrifuge method.

The light-colored rooftops of residences and other structures contrast sharply with green vegetation and brown, sediment laden floodwaters.

Then, with the withering of dry and cold climate, there appeared stiff clay sediment in the delta of the Changjiang River.

Fortunately for the scientists, a sediment cloud had buried the Moroccan specimens and preserved their soft bodies.

The main inflow passage for sediment is through CS 5, where the directions for the net water flux and the net sediment flux are reverse.

RAW MATERIALS FOR POLYURETHANES. DETERMINATION OF THE SEDIMENT IN CRUDE ISOCYANATES.

Collect animals found on the sediment surface. Put them in a tray, identify and count them.

tools lay undisturbed until annual flooding of the nearby Awash river uncovered layers of sediment and the fossilized tools.

The sediment was laid down during the Eocene period, a time when the waters off Antarctica were about 10 degrees warmer than they are today.

The biggest ecological impact could be less sediment swept downstream as silt accumulates in the reservoirs.

On General Plan of River Harnessing of "Stabilizing Main Channel and Regulating Water and Sediment"

Radial sand ridge is huge. The terrain is unique. Hydrodynamic condition is complex, and suspended sediment concentration is high.

To remove all the sediment, including paper, paper wool, dusting, colloids and salts, there is one very important detergent from is water.

Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.

From sediment analysis, the main seam roof is divided into hardness-upward, softness-upward or their compound.

Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.

Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman.

The reservoir is channel sediment, channel margin sediment, floodplain sediment and the distribution of reservoir in this zone is dispersal.

Similar sediment pollution scenarios are occurring in the headwaters of the Salween and Yangtze Rivers.

Mining has led to water polluted by mercury, which miners use to separate the metal from river sediment.

And grass pollens aren't the only clue still sandwiched in the sediment.

Another aspect to consider is the fate of an abandoned delta lobe after the sediment supply had moved elsewhere.

The supply of sediment is insufficient to offset the rate of subsidence.

The tan-colored waters around the river delta are full of sediment.

The biological restoration of experimental water body was developed with de nitrogen bacteria and sediment bacteria.

They were especially interested in a 30-ft. layer of sediment just above the iridium layer.

Reduction, methylation and demethylation were important mechanisms of Hg speciation in both the water column and the benthic sediment.

And the retaining sediment abilities of burst soil-retaining dams doesn't stop at once, but it has certain hysteresis.

Extraction condition, optimal formula, sediment prevention, etc. are studied in the experiments.

Surface sediment integrated quality index was 0. 682, T-P and T-N exceeded the standard, Cu and Pb at a few stations exceeded the standard.

Crude petroleum - Determination of water and sediment - Centrifuge method.

The extraction of acoustic characteristics of ocean sediment has great importance to civil and military activities.

Low spreading angles of the turbulent jet restrict the lateral dispersion of sediment particles.

'The surprise was so great that I asked my colleague Philippe Steemans to process the same sediment sample, ' she said.

For this reason, monitoring the pollutant status of marine sediment and water interface is meaningful.

This paper presents a new method of measurement of sediment utilizing ultrasonic theory and eletronic gain compensation technique.

For a long time if the liquids color changed or little sediment appeared is a normal phenomenon , never affect the use .

The problem is the crux of the Yellow River sediment is the Yellow River complex, difficult to treat the main reason.

By adsorption and decomposition experiment, interaction of sewage with high COD and clear bottom sediment was studied.

Nearly all the harbors built on coast of cohesive sediment have serious sediment siltation problem.

Information of lithology , sediment structure and crack are gotten from imaging log measure information.

mixed carbonate sediment in beach or tideland facies with quartz sand taken from bayou or beach by coastwise flow and circumfluence.

The interaction of tectonics, change of global sea level and climate controlled the sediment supply and the scale of filled accommodation.

This paper assessed the sediment environment of soft marine clays and their physical and mechanical properties.

We found that concentration areas of . glauconites are identical with the oxidizing environment, coarse-sediment areas and relict sediments.

Conclusion Urine sediment parameter has an important reference value in diagnosis and treatment of disease in patients.

The Dagu River is the largest river flowing into Jiaozhou Bay; it brings large amounts sediment into the bay every year.

The technique of ash flocculating and sediment close circulation for the boilers in Thermal Power Plant .

Scientists think such inverted craters form when an impact basin fills with sediment and the material around that sediment gets eroded away.

The erosion and deposition-induced shear stresses were considered in cohesive sediment transport model.

The reason induced SSC variety in tidal channel is discussed through the flux analysis and sediment model.