boron

Paradoxically, wurtzite boron nitride 's hardness appears to come from the flexibility of the bonds between the atoms that make it up.

ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM. DETERMINATION OF BORON. CIRCUMIN SPECTROPHOTOMETRIC METHOD.

The invention discloses a boron-containing and nitrogen-containing compound for a lubricant additive and a preparation method thereof.

As a result of repairing boron Lek spotted Whose trees, do not comment directly felling, tree pull knob counter-thought-wing.

The main means to resolve boron deficiency is to increase the rate of boron fertilizer, whereas boron is a non-renewable mineral resource.

In view of the ultrafine nature of powdered boron, the method combined the gravimetric method and volumetric method together.

The coulometric method can only be used if the phosphorus or boron contents of these coatings are within certain limits.

The invention relates to a neodymium iron boron permanent magnetic material and a preparation method thereof.

The main methods for manufacturing boron carbide coating were given, and the advantages and disadvantages of these methods were pointed out.

Previously, researchers developed tobacco plants able to tolerate low boron levels but this affected the plant's ability to process sugars.

9 sec The control rods , made of boron and silver, are lowered, which slows down the nuclear chain reaction within the core.

chemical analytical reagent in electrochemistry; used to melt with silver, gold, stainless steel; as material to produce boron alloys.

Some of Boron Carbide's unique properties include: high hardness, chemical inertness, and a high neutron absorbing , cross section.

The results showed that the surface of boron particles after coating with HTPB became orderly.

The aluminum may be replaced at least in part with finely particled zinc, zirconium, boron, or magnesium.

Design of a certain companys production factory of sintered permanent neodymium ferro boron magnet are briefly introduced.

So, boron doped diamond is better than normal diamond in some aspect. It has shown a wide applied prospect in different domain.

Once upon a time the people thought that the rocks were magma rock and it was impossible to exist boron mine bed underneath of the rocks.

A trademark used for an abrasive of boron nitride granules.

The scientists started with plain, white T-shirts that were cut into thin strips and dipped into a boron solution.

Sodium, sulfate, magnesium, calcium, carbonate, bicarbonate, chloride, and boron should be determined in a water analysis.

The boron carbide exists in the form of continuous skeleton structure, and the infiltrated aluminum exists in the form of continuous matrix.

carborane: any of a class of stable compounds containing carbon, hydrogen, and boron.

As a micronutrient, boron is of important role in the structure, function and metabolic activity of plant cell.

Made of boron or quartz glass tube which can be penetrated by ultraviolet ray.

The excellent properties of Polycrystalline Cubic Boron Nitride (PCBN)and its application fields are outlined firstly.

Workers at the Fukushima plant are pumping seawater, treated with boron, to try to cool the overheating reactor cores.

A boron-treated ultra low carbon bainitic steel was investigated by means of particle track autoradiography (PTA) technique.

The technical study of neutron absorption boron's Measure is a very important job in the operation of nuclear power station using the te.

Steel - Determination of boron content - Curcumin spectrophotometric method after distillation.

The fading behaviors of the structure refinement effect of electrolytic low-titanium aluminum alloys containing boron were investigated.

Neodymium alloyed with iron and boron - NIB - is widely used to produce very strong magnets .

Micronutrients. The micronutrients essential to plants include molybdenum, boron, zinc, manganese, iron, copper, and chlorine.

For calculation requirement, this paper presents considerations in boron injection operation and gathering information.

The results expatiate that boron carbide ceramics can be sintered in low temperature by approaches mentioned above.

Boron -- A nutrient found in abundance in apples, boron supports strong bones and a healthy brain.

It was important for the synthesis of boron nitride crystals with the existence of Cl-.

Boron requirements are met with a concentration of only one part boron per million parts water.

The results show that the synthesis temperature is the main factor that affects the content of boron in the synthesized diamond.

Pure crystalline boron is a black, lustrous, very hard but brittle semiconductor that does not occur naturally.

Thus, improving the condensed-phase reaction can increase of the burning rate for fuel-rich propellant with boron in low pressure condition.

Meanwhile, a crippled nuclear reactor was being flooded with sea water mixed with boron, an emergency replacement for regular coolant.

The anti oxidation coating made from boron oxide with water and aluminium dihydrogen phosphate as binders was studied.

Boron concentrate and boron - rich slag were used to produce borax and boric acid.

Without boron the starches and sugars don' t pass from cell to cell. The tip buds die, and the plant develops in an unhealthy way.

The experiment results show that the lowest synthesis pressure changed with the different proportion of added boron.

CHEMICAL ANALYSIS OF ALUMINIUM AND ALUMINIUM ALLOYS. SPECTROPHOTOMETRIC DETERMINATION OF BORON.

Fire a high-speed proton at a Boron target and the two fuse together to form three helium nuclei and a lot of energy.

This paper deals with the experiment on the seeping boron of a low-priced adding boron (LBI).

The boron ores in different countries have different characteristics, which determine diverse production methods of boric acid.

Experimental and numerical investigation of boron dilution transients in pressurized water reactors.

It seems, that the proportion of deformed long strip type inclusions is increased with the increase of boron content.

For the same boron addition, the similar results were found with the increase of reaction temperature and the elongation of reaction time.

The boron deficiency plant appears inter- venial chlorosis, thickening, crisping leaves and increased leaf weight ratio (LWR).

Boron neutron lifetime log developed from neutron lifetime is a new technology of dynamic monitoring suitable for low salinity formations.

It uses a single stator, rare-earth neodymium iron boron permanent magnet in a cast aluminum casing with stainless steel fittings.

The boron deposits in eastern Liaoning Province occur in the Paleoproterozoic magnesian volcanic-sedimentary strata.

Application of this experiment to boron oxides is described, in addition to an analysis of the spin diffusion rates in such materials.

The work presented here fits the hypothesis that the primary role of boron relates to cell wall structure and properties.

SURFACE ACTIVE AGENTS. WASHING POWDERS. DETERMINATION OF TOTAL BORON CONTENT. TITRIMETRIC METHOD.

The effect of this therapy depends on the subcellular localization of boron atoms in the target cell.

The boron compound and iodine source are combined with reactants of a fluoroalcohol and an alkylene oxide in the presence of a base.

A spectrophotometric method for the determination of trace boron in ferrosilicon alloy was proposed.

Three foliar fertilization(amino acid liquid fertilizer, boron and urea) were researched effect on yield of new Gala apple.

The authors considered that some metallic and nonmetallic ions acted with boron hydrogen Potassium in acid media and formed hydride.

With benzoic acid as combustion-supporter, the content testing of boron in plants utilizes oxygen bomb incinerating process.

CHEMICAL ANALYSIS OF FERROBORON. DETERMINATION OF BORON CONTENT. VOLUMETRIC METHOD.

The distribution and speciation of boron in boron sludge are then analyzed by continuous extraction with different solvent.

Experiment used vegetable in cultivating cultivation, eppendorf tube method during add boron and cadmium.

Tepco officials have been pumping seawater with boron in a last-ditch effort to bring temperatures down to prevent an outright meltdown.

The control rods are made of boron which absorbs neutrons.

Boron deficiency stress mainly acted on aerial part of watermelon, especially for apical growing point.

This paper introduces the analytical method of determining the contents of main components of potassium nitrate and powdered boron in BNP.

There is still great interest in boron as an essential plant nutrient.

This treatise deals with the influence of boron and titanium on the mechanical performance and wear resistance of cast iron.

Uptake amount and intensity of Boron of cucumber in winter-spring was also obviously higher than in autumn-winter.

The present state of using boron containing additives in sinter of iron ore fines was summarized in this paper.

The chemical property of gadolinium is more stable and safer than that of boron, because gadolinium tracer stays as a complex compound.

It suggested that B-efficient rape cultivars have sufficient boron to involve in upward transport under boron deficiency.

In out world, the fracturing fluids applied in the coalbed methane include water, gel, boron cross-linked gel and foam fracturing fluid.

Borax is the compound commonly applied to the soil to correct boron deficiency.

Boron is an element with the ability to absorb neutrons, the sub-atomic particles that occur in the nucleus of all atoms.

Boron and boride have been widely applied to modern industry.

Our company is the professional manufacturing companies of diamond and cubic nitrogen boron tool products.

In this paper, the elimination of boron from the bittern by the adsorption with magnesium hydroxide and the resin was studied.

The high affinity of boron in B-efficient rape cultivar at B-deficiency condition may be an important reason for its high efficiency. 3.

The influence of rare earth, titanium and nitrogen on the structures and properties of high boron alloy steel was researched.

FERTILIZERS. DETERMINATION OF THE BORON CONTENT (TOTAL AND SOLUBLE).

A simple and rapid method of zero current oscillo potentiometric titration of boron is put forward.

They are manufactured from standard alloys , boron alloyed steel, heat resistant and corrosion resistant steel, and aluminium.

They are manufactured from standard alloys , boron alloyed steel, heat resistant and corrosion resistant steel, and aluminium.

The load following of pressurized water reactor(PWR)is studied. A three-dimensional fuzzy control system of boron concentration is designed.

Ion exchange chromatography is a promising technique for boron isotopes separation.

Boron compounds are found widely dispersed as various minerals, including borax and the gemstone tourmaline .

Automatic nickel electroplating process and operating conditions of neodymium-iron-boron permanent magnet were also set up.

Boron and Silver control rods are lowered into the reactor. PORV light goes out, indicating valve is closed.

This research will provide certain theoretic backgrounds for seawater boron removal.

The feature and the mechanism of tool wear for turning powder superalloy with cubic boron nitride (CBN) bite are researched in this paper.

However, studies of spallation showed that it could generate lithium and boron.

If roasting temperature was too high then energy consumption was increased without improvement in iron and boron concentrate grade.

The Influence of quenching temperature on wear resistance of high boron casting steel was investigated.

The molten hydrolytic reaction between sodium chloride and boron oxide at high temperature was studied.

PROCESS OF PRODUCTION Boron Carbide is smelted from boric acid and powdered carbon in electric furnace under high temperature.

An isotopic fractionation of boron during evaporation of seawater was investigated.

Further process for manufacturing rapidly solidified boron modified high-speed steel was explored preliminarily.

on recovery are discussed in chrome-boron smelting with thermite method, and the control measures are also put forward.

Precipitation of boron recovery from brines is essential to the boron resource exploiting.

Application of Boron should adapt to the environment and plant development stages in practice.

Dr Suzuki, of Hokkaido University, applied the finishing touches by adding boron compounds to the mix.

Now, We study the subcellular distribution of various boron compounds by Monte Carlo simulations.

At present, the boron-doped diamond electrode is used only in the application of sewage treatment with a greater effectiveness.

Boron carbon nitride(BCN) thin films were deposited by radio frequency(RF) magnetron sputtering.

The thee of Boron can improve the uniformity of microstructure and distribution of composition in alloy.

The alloying elements are molybdenum, tungsten, chromium, boron, and carbon.

ACQ- DB is a water-based wood preservative that contains copper and Quaternary Ammonium Salts ( DDAC ) and boron-containing compounds.

The characteristic of boron particle ignition in oxidative system was introduced.

The United States, Turkey and Russia are rich in boron ore, and about 90%of boron reserves in the world are in these countries.

The boron content of the produced product is higher than that of boron-chromium alloys produced in the present market.

The results show that nickel, rather than boron, has a significant effect on the catalytic graphitization.

Boron has many kinds of biological effects and its biological effects on the health of animals and human have been gradually concerned.

Studies on Electronic Structures and Spectra of Fullerenes Doped with Nitrogen and Boron .

Trace addition of boron could obviously inhibit the dynamic recrystallization in the steel.

The main factors of effecting boron yield in the production of boric acid are introduced.

Experiment results show that multiple boron sources will help advance the quality of diamond.

These rods, made of neutron-absorbing materials such as boron, mop up excess neutrons and quench the chain reaction.

The boron helps neutralize some of the radiation.

The thickener system incorporates a polyvinyl alcohol polymer and a boron containing compound such as boric acid.

Recently it has been confirmed that boron is a super trace element for human.

Future prospect of techniques for determination of micro-amounts of boron is proposed.

High boron stress firstly acted on under-ground part and bottom leaves, gradually acted on aerial part of watermelon. 3.

The effect of boron-containing modifier on the properties of aluminum phosphate binder and heat-curing sand mold are studied.

The invention provides an abrasion-resistant welding rod which is mainly formed by chrome, tungsten, rare-earth silicon and boron carbide.

the combined cross linker is a combination of boron compound and modified amine resin.

SEM images support the transformation process from porous glass granules to boron-containing CF-2 zeolite in morphology.

Various fibers such as glass, graphite, or boron may also be used to reinforce the materials.

Arsenic has a diffusion coefficient an order of magnitude lower than that of boron and phosphorous.

Boron-doped diamond large area in the electrochemical membrane has a good utility.

The boron-modified benzoxazine was synthesized by formaldehyde, phenol, boric acid and diamine.

Therefore, It is feasible to predict daily boron exposure by boron concentration of post-shift urine.

Based on this, the effect on the measurement of boron isotopic ratios have been researched further.

The Raman scattering intensity of single wall boron nitride nanotubes is studied based on non-resonant bond polarizability model.

High boron iron-base alloy is a new kind of wear-resistant material, which takes borides as wear-resistant phases.

The alt unit aluminium is ferro-boron alnico with excellent performance.

Formula of iron-nickel-phosphorus-boron quaternary alloy electroless plating was optimized so as to obtain amorphous deposit.

and post-treating the obtained product to obtain the cubic boron nitride.

Also, the use of boron and chromium, instead of nickel and molybdenum, can lower the cost of roller.

For preventing pollution and resource waste, a kind of fired brick was developed by utilizing boron sediment, fly ash and iron gangue.

In this paper, the effect of additive boron on the diamond synthesized using pure iron powder catalyst was studied.

The boron nitride product contains no carbon impurity, and the purity thereof reaches more than 98%.

The effect of heat treating process on the magnetic characteristics of Low-neodymium-iron-boron alloy has been studied in this paper.

Ways to further improve special boron bearing diamond are pointed out.

Main composition: Natural plant fair, Wei E, Cape Sha alkane, gel 50, the Boron Nitride, pore accept a tight, vitamin C.

East Yingkou of Liaoning Province is one of important sources of boron deposits in China.

Nuclear-waste glasses typically contain boron, for example, whereas ancient ones do not, and this might influence their behaviour.

Biological Effects of Foliage Spraying Boron on Pisum Sativum L.

An exploratory test is made on using boron containing iron concentrate as bearing additive for sintering ore.

SOIL QUALITY. EXTRACTION OF BORON SOLUBLE IN BOILING WATER.

A wireless capsule endoscope was modifiedcv to include neodymium-iron-boron magnets.

The carbon-boron compound in graphite mould is fine and uniformity.

The development and research status of boron carbides for the Bulletproof Ceramic were summarized in this article.

Boron: Semimetallic chemical element, chemical symbol B, atomic number 5.

It is very stable, particularly in glazes with a low lead and boron content.

Flux is a low melting point glass, is lead oxide and boron silicate glass.

With the exception of boron, group IIIA elements are also fairly reactive metals.

both boron absorbing capability and passivation effect of coke from CDQ are lower than that of coke from wet quenching.

Biological effects of foliage spraying boron on Vicia Faba L.

Dr Suzuki, of the University of Sapporo, applied the finishing touches by adding boron compounds to the mix.

Some suggestions for research on boron nutrition in plant based on agricultural status are proposed.

Application of boron fertilizer on 'Red Globe'

The presence of boron or a boron compound in neutron shields has certain advantages.

In addition, the effect of thermal treated temperature on hardness and coercive force of cobalt-boron alloy deposit was studied.

The boron neutron capture therapy has a promising role in cancer treatment since it can achieve selectivity at the cellular level.

TransistORs consist of layers of different semiconductORs produced by addition of impurities (such as arsenic OR bORon) to silicon.

The invention aims at providing a boron modified phenolic resin binder for refractory materials, which is easy to massively produce and use.

Lining plate of high boron cast alloy is produced with boron which is rich and cheap as main alloy material.

Product, product and so on caking ferrites , neodymium iron boron through ISO9001 international quality system authentication.

The effect of tiny amount of Titamium on the notch toughness of low carbon boron steel was investigated.

The wear resistance of hard alloy (YG14) and boronizing layer, boron-chromizing layer for steel 45 was studied.

In the field of chemic, boron doped diamond can cut iron group material.

The effect of different amount (0. 0006 %~0. 0027 %) of boron on mechanical properties of high strength spring steel was investigated.

The former general with corundum and silicon carbide abrasive, while the latter such as diamond and cubic boron nitride superabrasive made.

Main boron mineral resources in China are ascharite ore and paigeite.

Boron is a nonmetal element that is found in the water, rocks and some soils.

Aluminium oxide primarily used for the production of aluminium; Determination of boron content; Curcumin spectrophotometric method

Test Method for Spectrographic Determination of Boron in Carbon and Low Alloy Steel by the Point-to-Plane Technique

Effects of ferrous, copper, boron, molybdenum and manganese on the gentiopicroside content and yield of two years rough gentian

Preliminary Study about the Surface Metallization of Boron Carbide

Preparation of a Lubrication Oil Additive Containing Boron and Study on its Tribological Properties

A Preliminary Study of the Boron Concentration in Vapor and the Isotopic Fractionation of Boron During Evaporation of Seawater

Application Study of the New Coagulant Polymeric Ferric Silicate-chloride Containing Boron

Boron and Its Isotopes in the Subduction Zone: A Preliminary Study of Mesozoic Basalts in Southeast China

Affection of the Interaction between the Different Rate of the Boron and Illumination Condition to the Growth and Output of the Spring Wheat

Synthesis of a Novel Boron-specific Chelating Resin and Its Adsorption to Boron from Salt Lake Brine

Isotopic Composition and Concentration of Dissolved Boron in a Freshwater Seawater Mixing Plume of the Yangtze River Estuary

Primary Research on Preparation of Boron Powder by Self-Propagating High-Temperature Synthesis with a Stage of Metallurgy

Study of composition and anticorrosive property of flaked zinc thermosetting containing boron

Synthesis of Boron Nitride Nanotubes by an Oxide-assisted Growth Method

Study On Preparation of Modified Bentonite Supported Ruthenium Boron Amorphous Alloys and Its Catalyst Properties

Study on Physiological Characteristics of Floral Organ in Two Cotton Cultivars with Different Boron Efficiency

Effects of Boron Implanted Dose on the Diffusion Length of Minority Carriers in HgCdTe n-on-p Junction

Preparation of High Quality Cubic Boron Nitride Film by Radio Frequency Magnetron Sputtering and Its Characterization

Extraction and Separation of Boron in Rock Samples and Its Isotopic Determination by Thermal Ionization Mass Spectrometry

Cellular targeting and subcellular distribution of HER-2 targeting boron liposomes

Precision grinding of bearing outer jacket made of boron carbide with diamond wheel

Experimental investigation of treatment of wastewater containing chlorophenols using boron-doped diamond film electrodes

Theoretical Studies of the Electronic Structures and Absorption Properties of Ramose Oligomers with the Center of Boron

Influence of Light-dope Boron on Optoelectronic Properties of a-Si Films

The Determination of Boron Isotope by Negative Thermal Ionization Mass Spectrometry and Its Development

Boron Trioxide and Carbon Content Determination in Combustion Residue of Boron-Containing Solid Propellants and Their Combustion Mechanism

Research and Application of Comprehensive Interpretation Technology for Boron-injected Neutron Lifetime Logging

Abrasive products; Diamond or cubic boron nitride grinding wheels and saws; General survey, designation and multilingual nomenclature

Effect of Plasma Beam Surface Hardening Parameters on Microstructure and Hardness of Boron Cast Iron at Junction of the Two Hardening Traces

Boron Contents of the Soil of Partial Tea Gardens in Zhejiang Province and Its Affecting Factors

The design of accelerator-based epithermal neutron source target used in boron neutron capture therapy

Preparation Study of High Purity Boron Powder for Ultrahigh Speed Integrated Circuit

Methods for chemical analysis of iron, steel and alloy Curcumin spectrophotometric method for the determination of boron content

Methods for chemical analysis of iron, steel and alloy--The neutralization titrimetric method for the determination of boron content

Effects of Plasma Beam Surface Treatment on Hardening Layer of Boron Cast Iron and Its Microstructure and Property

Nickel and nickel alloys; determination of total boron content; curcumin molecular absorption spectrometric method

Neutron - lifetime logging technology with boron and its application in oil field development

International collaboration for the determination of boron in steel with curcumin by spectrophotometry

Fading Behaviors of the Structure Refinement Effect of Electrolytic Low-titanium Aluminum Alloys Containing Boron

Steel - Determination of boron content - Curcumin spectrophotometric method

Synthesis of Boron Nitride Nano Spherical Particles and Analysis of Its Influencing Factors

Cubic Boron Nitride Grinding Tool Manufacture and Its Application Technology Trend

Boron nitride nanostructures grown through irradiation-induced solid-state phase transformation

Thermoelectric Characteristics of Boron Doped a-Si Resistor Used in Infrared Detector

Study on Burning Rate of Boron Particles in Secondary Chamber of Ducted Rocket under Forced Convection Conditions

Differences in Root Characters and Composition of Root Bleeding Sap between Several Cotton Cultivars with Different Boron Efficiency

Deposition and Study of Properties of Boron Nitride Photoelectric Films

Measuring the Relative Crystal Strengths of a Diamond Cubic Boron Nitride Grits

Geochemistry of super-magnesium peridotite in the Houxianyu boron deposit, Yingkou, Liaoning, and its constraints on the source region

Investigation of microstructure and photoelectric properties of boron- doped amorphous silicon films

Chemical analysis of ferrous materials - Determination of boron in steel - Spectrophotometric method

Boron Isotope Fractionation and Its Application in Environmental Study

Studies on Separation of Different Species Containing Boron in Boric Acid Solution Using Electrostatic Ion Chromatography

Determination of Silver, Boron, Tin, Molybdenum and Lead in Geochemical Exploration Samples by Emission Spectrometry

Fabrication and application of two-dimensional gold nanoelectrodes array based boron doped diamond electrode

Research on result of using boron fertilizer on soybean

direct current glow discharge emission spectrometry ; co-linear method ; boron ; different matrixes

Studies on the Soil Boron and Its Fertilizer Countermeasures in Akesu Land Reclamation Area

Interrelated analysis of the soil's effective boron and contained in the cotton during their different growth period

Preparation of Boron-Doped Hard Carbon and Investigation on Its Performance of Lithium-Intercalation

Establishing Surveillance Test Program for Boron-Based Neutron Absorbing Material Systems for Use in Nuclear Spent Fuel Storage Racks

Studies on preparation of HER-2 targeting boron liposomes and the influencing factors

Effects of ways for adding titanium and boron on grain refinement of aluminum alloy and its fading behaviors

Ultrafiltration Concentration and Stability of Microparticle Boron Modified Silica Sol

Specification for designation and multilingual nomenclature for diamond or cubic boron nitride grinding wheels and saws

Study of n-type electrical conductivity in deuterated boron-doped diamond

A Numerical Study on Ignition and Combustion of Boron Particles in the Flowfield of a Ducted Rocket Secondary Combustor