conductivity

A second-conductivity-type well is formed in a su*ce layer of a semiconductor substrate extending over the plurality of the repeating units.

Then, by the relationship between the heat conductivity and the impurity concentration, the concentration distribution can be obtained.

This makes it a fine addition to the electrode conductivity, but also competent in the work of special circumstances.

With the concentration increase of carbon nano-tube, the surface and volume conductivity decreased, and there were a conductive threshold.

A formula for the calculation of the heat conductivity of a sintering system containing solid phase, liquid phase, and gas phase is given.

Countries the economic dependence of enterprises increased in case of economic crisis, its conductivity must be very soon.

Semiconductor: Class of crystalline solids with electrical conductivity between that of a conductor and an insulator.

An increase of the electric conductivity at about the same depth also indicates a greater mobility of the matter.

drainage occurs in a surface soil layer, with limited thickness and with high hydraulic conductivity due to its macro porosity.

At very great depth the heat capacity as well as the thermal conductivity must be assumed to be higher than near the earth's surface.

Although steel is usually unfirable, it intends to deformation and fracture owing to its high thermal conductivity when exposed to fire.

single component, excellent printability, flexibility and adhesion, good conductivity, stable performance, welcome to call us for details.

and a second active region in the semiconductor substrate and of an opposite conductivity type than the first active region.

The existence of the contact resistance must be considered when accurate thermal conductivity measurements are performed.

Although scleral hydraulic conductivity increased, the change was not enough to account for the entire change in outflow facility.

Arc is phenomenon of electric conductivity in the atmosphere, the fierce and permanent phenomenon of electricity discharge is called arc.

Such metals as copper and aluminum, are widely used in power industry on account of their good electrical conductivity.

The concept of complex thermal conductivity coefficient and its calculation methods are introduced.

Both of these operating conditions are easily controlled and the results are automatically tested with a conductivity meter.

The first epitaxial layer is disposed over the substrate and doped to have the first conductivity type as well.

The experimental results show that TDR is able to provide a reasonably accurate estimation of the electrical conductivity of the pore water.

The ionic conductivity of a polymer electrolyte depends on the concentration of the conducting species and their mobility.

Composites showed higher conductivity and lower percolation threshold along the stretched direction than perpendicular to it.

The use of die-cast aluminum with high thermal conductivity material, the surface of gray paint, the appearance of fine high-end.

Laundering does not seem to affect its conductivity much either.

change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation.

ZnO nanoparticle is a typical semiconductor Electric conductivity of which is between that of conductors and that of insulators.

Existence of their own low electron conductivity and lithium ion diffusion rate of low disadvantage, still needs to be improved.

The heat shields are made of ceramic flakes or aluminum foils of poor thermal conductivity.

Conductivity represents conductive ability of electrolyte solution. Brine is a strong electrolyte solution.

Compared with the experimental data, the proposed method can be used to predict thermal conductivity in wide range of the volume fraction.

Alteration in excitability and conductivity of a nerve or muscle during the passage of an electric current through it.

The sensor may be used in any applications where the sensor is capable of detecting a change in conductivity in the composite.

The shell surface temperature is influenced by the conductivity of the shell material and the heat transfer inside the shell surface.

PH and conductivity values for both parameters are usually used to reflect the conditions of the fountain solution, .

Their solution was to take advantage of graphene's electrical conductivity, by running a current through the mixture.

From the viewpoint of conductivity, aluminium is a good material to be used for electric wires.

According to the experimental data, the heat conductivity of blended wool fabrics with ramie is better than pure wool fabrics, an. . .

The effectiveness of acid fracturing is generally evaluated by the efficient length of fracture and the residual conductivity.

Abnormal values of these geologic targets depends on the role of conductivity and electrochemical effects.

Hydrogen flame detector and thermal conductivity detector were used to detect gaseous hydrocarbons and inorganic gaseous respectively.

Hardness slow declined after reached the peak, while the electrical conductivity continued to rise.

The system could be used to measure the thermal conductivity of the clean alternative fuels and provide the basic thermophysical data. 4.

Too many atoms of the wrong sort, though, can be equally bad, interfering with a transistor's conductivity.

Aerogels servers as a super thermal insulation material mainly due to its high nano-porosity and low thermal conductivity.

The conductivity imparted to the air can be ascribed to ionization produced by the rays emitted by the uranium compounds.

In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex .

The thermal conductivity of the phase change material can be improved effectively by using silicon dioxide as a supporting material.

FTIR, TEM, AC impedance were used to investigate the electrolyte and relationship between ionic conductivity and inorganic oxide particles.

However, the heat conductivity of the sheath material has little effects on the temperature field, stress field and load.

Such graphite bodies have high thermal conductivity and anisotropy and may be used for thermal management.

Quite often it is found that in an apparently uniform piece of rock the thermal conductivity differs from centimetre to centimetre .

In most crystal systems and in laminated materials the number of components of the thermal conductivity is less than six.

many factors including humidity , smoothness of grade , conductivity and thickness may affect the performance of your printer copier.

By measuring the cross section area and the length of the Hall sample, the conductivity and mobility are determined.

Typical uses: it has excellent forming characteristics, high corrosion resistance, good welding and electrical conductivity.

How heat dissipates through a material is a matter of the materials' thermal conductivity and thickness.

Compared with its domestic counterparts, PS 670 possessed superior processability and preeminent optical conductivity.

In addition, the ground electrical parameters also affect the total field near the ground, especially the conductivity.

there are heating up in the screen printing, choose a wire mesh, wire mesh for electro-thermal conductivity of ink.

Polyaniline (PANI) has a good conductivity, but the forming of the poor, which greatly restricted its application.

Equipped with a closed transmission slip ring, cable is not wrapped, good electrical conductivity.

Finally, the sensitivity and effect condition of gas-chromatography thermal conductivity detection system can be greatly increased.

The addition of a small number of rare earth element-La increased the composite conductivity and the hardness.

Conductivity response of the sedimentary laminae is analysed with core data, and the practical resolution is of the order of centimeters.

This shows that ionic modifying the silicone rubber would not enhance the thermal conductivity properties.

Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability a. . .

Because the surface coating layer is semiconductor, the products have good electrical conductivity.

Another disadvantage is the conductivity of the brain as a hard line, floats reaction seems a little slow.

Infrared thermal imaging technology was used to measure and evaluate the thermal conductivity of carbon-fiber fabrics.

The fuel additive composition is present in fuel in an amount sufficient to improve the conductivity properties of the fuel.

As we all know, conductivity measurement in industrial production and scientific experiments is of great significance.

copper tubes has high thermal conductivity , efficient refrigeration , high pressure resistivity , excellent mechanical property.

Thermal insulation products for building equipment and industrial installations - Determination of declared thermal conductivity.

Harder and more brittle than black silicon carbide, very sharp for grinding and of good heat conductivity.

It features high conductivity and good mechanical performance, it does not react with the packed substance physically or chemically.

By analyzing the relationship of the two factors with COD, conductivity was determined as the indirect monitoring index for COD.

The system collected this step response signal automatically, and obtained the thermal conductivity.

The 2024 aluminum alloy takes a very important position with its excellent conductivity, high strength and low cost.

A semiconductor has a poor conductivity at room temperature , but it may become a good conductor at high temperature .

Through the finite element model and using formulas given in this paper the changes of hydraulic conductivity in a mining face are examined.

The dynamical conductivity in the presence of a perfect channel and effects of symmetry crossover are also discussed.

It was concluded that hardness and electric conductivity could be the parameters for burn detection of titanium alloy.

The packing is made of teflon resin , added high-heat conductivity matter, compounded with special lubrication, and specially treated.

Speaking of the filled conductive compound materials, in which filler is the strong character decided its conductivity.

Small heat conductivity and big heat depth was the favorable conditions of heat reservoir development.

Graphite surfaces for its transparent conductive film pervious to light quality and conductivity is widely used in various fields.

Characterization of the complexes by powder X-ray diffraction, scanning electron microscopy and electrical conductivity is presented.

Many theoretical and empirical models have been summarized to predict the effective thermal conductivity of polymer based composites.

This paper introduces a new method for measuring the thermal conductivity of microgranular, powder materials with a probe.

Malignant tissues have higher permittivity and conductivity and therefore appear differently than normal ones to a screen.

However, it is difficult to machine due to its low thermal conductivity, low modulus of elasticity and high chemical activity.

The anisotropy of thermal conductivity and its possible influencing factors are discussed for the rocks in Donghai area.

The temperature variation of the calculated thermal conductivity and special heat capacity agrees well with the experimental results.

An electric contact and a female terminal have high spring elasticity and high electric conductivity.

Thermal conductivity is also higher, so parts that get hot, like engine blocks, will be able to transfer heat more efficiently.

The high conductivity of water makes nerve conduction an effective and sensitive mechanism of the body.

With two types of the phonon scattering mechanisms considered comprehensively, the thermal conductivity of YAG ceramic is achieved.

This constant k actually is called the heat conductivity.

The material's large surface area, flexibility, low density, and high conductivity also make it compelling for energy storage.

Test result shows that, although high electrical conductivity occurs in local area, large area seawater intrusion does not take place.

Each of the individual transistor cells includes a body region located on the substrate, which has a second conductivity type.

Two brass and caps: Made of brass of good conductivity.

Thermal conductivity, the ability of a material to transfer heat energy along its length, width, or thickness.

Due to its low thermal conductivity , PCM is more effective if coupled with Aluminum fins and Aluminum foam .

Thermal adaptation composite materials are composite materials with required thermal conductivity or coefficient of thermal expansion.

For a test of pork, primary results showed fat thickness measured by electrical conductivity seems available.

We validated the feasibility of this method, and obtained the images showing the absolute distribution of conductivity.

Conductivity & semiconductor The most commonly used semiconductor is of course silicon.

The apparatus for measuring thermal conductivity of the vacuum insulated panel (VIP) is designed by the steady-state-flat method.

The results can be used in modeling of conductivity modulation power devices under localized lifetime control.

The thermal conductivity coefficient of closed-cell pure aluminum foam was measured as a function of porosity and cell size.

Silver is known to be better than copper in conductivity.

"Hydraulic conductivity" and "capillary conductivity" are used to describe this capacity to transmit fluid.

They will study how the electrical conductivity of a molecule is affected by stretching it.

The results show that the burr shape of the Ni powders can increase the conductivity and decrease the percolation threshold of the coating.

Our results indicate that due to size effect, thermal conductivity of diamond nanoparticles is smaller than the one of bulk diamond.

Presently, no report about a porous nanometer copper film with super-hydrophobic performance and conductivity performance exists.

The conductivity of this material increases as the temperature increases.

SLIGHTLY CONDUCTIVE MATERIALS. DETERMINATION OF THERMAL CONDUCTIVITY. METHOD USING GUARDED HOT PLATE WITH SYMMETRICAL SAMPLES.

properties: hygroscopic is bad, the conductivity sent easy generation electrostatic and contamination phenomenon.

The silicide may provide a template for crystallization, decreasing the defect density of the silicon and improving its conductivity.

The results showed that the pre-aging had no obvious effect on the mechanical properties and electrical conductivity.

The running-condition of BF had been improved with the coke-rate decreasing and the conductivity raising.

But its insulation heat preservation effect is good, high, low thermal conductivity, energy conservation and environmental protection.

Establish the transient flow model of the horizontal well for the uniform flux and infinite conductivity wellbore type.

Electrical conductivity impacts the inversion of the data of surface nuclear magnetic resonance (NMR) sounding method.

When the MWNTs content increases to a certain value , the conductivity of the solution decreases, the fiber diameter increases .

as the temperature increased, the impact of fractal dimension on thermal conductivity composite became weaker.

Thermal conduction: thermal conductivity, and heat evenly applied to geothermal laying.

Objective To explore the correlation among urine freezing point osmotic pressure, refraction osmotic pressure and urine conductivity.

but when it was applied to Lou soil, the saturated hydraulic conductivity was reduced.

The dependence of the electrical conductivity of the film on the temperature revealed a typical semiconducting character.

The CNT materials provide enhanced strength while preserving flexibility, and uniform electrical and thermal conductivity.

An electric conductivity model of metal insulator composites with an interfacial shell is given.

The second epitaxial layer is disposed over the collector layer and doped to have the first conductivity type.

Copper and copper alloys - Products of high conductivity copper for electronic tubes, semiconductor devices and vacuum applications.

BELT DRIVES. ELECTRICAL CONDUCTIVITY OF ANTISTATIC ENDLESS SYNCHRONOUS BELTS. CHARACTERISTICS AND TEST METHOD.

The thermal conductivity and its change laws of filled polymer composites materials were discussed in this paper.

The constituent of a solvent mixture has a profound influence on the conductivity of ionic liquids.

Modern polygraph record is the skin conductivity, blood pressure changes, respiration and peripheral vasomotor activity.

Moreover, the dope of printing frit enhanced the adhesion obviously but destroyed the conductivity and reheating stabilization severely.

It is also found that the conductivity matching is an important factor for efficient spin polarized injection into organic semiconductors.

The results show the effects of the geometrical parameters of aluminium foil and heat conductivity of PCM on heat transfer enhancement.

Measuring electrical conductivity is a well-established proxy for determining chloride concentration.

E, The drift current density is the product of conductivity and electric field(a form of Ohm's law).

Their compositions and constructions were characterized by elemental analysis, IR spectra and molar conductivity .

Rock wool insulating felt is low thermal conductivity of a high-quality thermal insulating materials.

Moreover, the changes of mixing ratio have great effects on the viscosity, electrical conductivity of the mixed solutions.

Only when the total volume of filler increases, the conductivity then increases.

Through to the shear fracture conductivity theory and experiment's research indicated that shear fracture conductivity is limited.

The horticulture products process involves many thermal properties, among which the conductivity is one of the most important.

The electrical conductivities of the samples were measured by the four-probe conductivity meter.

Are there documented maximum final rinse water contamination levels, rinse flow rates and are these verified by conductivity measurements?

A body region of the first conductivity type is in the substrate between the first region and the second region.

The main factors influencing conductivity and anti-corrosion of the coating are discussed.

The mixing time of molten steel in the ladle was measured with electrical conductivity method.

There is correlation between the electrical conductivity and mineralization degree of leaching solution.

and the nano particles in a nano composite can block the formation of crystals, thus greatly improving thermal conductivity.

Relative electric conductivity of the cultivated species increased more quickly than that of the cultivated species.

The result of ion diluted with water after rain full and the conductivity are decreasing.

The background, current research status and problems of molecular dynamics ( MD )study on thermal conductivity are reviewed and analyzed.

Then computing induction electromotive force in receive loop by finite-difference method and solving apparent conductivity.

The results showed that, salt-isolation treatment could significantly reduce the soil electrical conductivity.

The interrupter device must have a strong and very good insulation thermal conductivity, and negative electrical.

Numerical experiments are conducted in a homogeneous conductivity field.

Resistivity index increases and formation conductivity decreases as fraction of capillary bound water increases.

The results also showed that the electrical field strength has little influence to the electrical conductivity.

The choice of the structure of thermal conductivity cell and the thermal elements used in thermal conductivity detector was discussed.

With increasing the ageing time, the electrical conductivity becomes large.

In one embodiment, the ionic conductivity of the separator is improved upon contact with the cell's alkaline electrolyte.

The alloy layers provide improved control of refractive index, wide optical bandgap, high conductivity, and resistance to attack by oxygen.

The lead-free soldering tin has high electric conductivity, smooth soldering point, less oxidation, no lead and environment friendship.

WATER TESTING. ESTIMATE OF DISSOLVED SALT CONTENT FROM THE DETERMINATION OF THEORETICAL ELECTRICAL CONDUCTIVITY.

Some commercial automatic'white unit you can control the dampening solution, to achieve a predetermined electrical conductivity.

The made Mo-Cu material has machinability, ablation resistance, good electric conductivity and thermal conductivity.

This is a cylinder composed solely of carbon atoms, and one of its properties is good electrical conductivity.

Soil quality. Determination of the specific electrical conductivity.

It's Properties must include light weight and low thermal conductivity with reduced thickness of the insulating layer.

Semi-conductors have poorer conductivity that conductor , but better conductivity than insulators .

The experimental research on the apparent conductivity of pearlite in different particle sizes and different vacuity is reported.

Precipitation hardened alloy with good thermal conductivity and high hardness. Not suitable for case hardening or nitrating .

Evidence also implicates the crystal structure as a thermal conductivity barrier.

The property and mechanism of the electrical conductivity of Graphite slurry infiltrated steel fiber concrete(GSIFCON) are investigated.

Thermal contact resistance and size effects are important factor for affecting effective thermal conductivity.

High conductivity and gas tightness are the basic requirements for bipolar plate materials.

He proposes to use the electrical conductivity of the sodium and chloride ions in seawater to create a novel type of Faraday cage.

We deduce the non-linear function of conductivity and magnetic response excited by imaginary equivalent plate source.

Filling polymer with high thermal conductivity filler could obtain high thermal conductivity composites.

The electrical conductivity can show the differences of seed vigor of Elytrigia during the seed development.

Temperature conductivity of rock has a great influence on cooled zone radius and the temperature distribution in cooled zone.

Wires of different materials, although of the same diameter and length, differ in their conductivity.

The peak position and intensity of the magneto-optical conductivity depend strongly on the filling factor and the broadened DOS.

IonizationFeedback refers to the signal produced by measuring the conductivity within the spark plug gap after the spark has extinguished.

the effective thermal conductivity in the braided cross sectional area increase as fiber volume fractions and braided angle increase.

The results indicate that BaTiO3 had different effects on electrical conductivity and dielectric properties of the composite material.

Many works regarding their semiconductivity have demonstrated the conductivity depending on crystalline structure and morphology.

The results showed that waste particles decreased bulk density, soluble salt and electrical conductivity of compost medium.

Study temperature, electrical conductivity tracing theory.

The measurement of permeability, then, is a measure of the fluid conductivity of the particular material.

The electrical conductivity of a soil is changed because of the change in composition and structure due to contaminations.

The influence of conductivity of homogeneous formation on the calibrating value of the tool factor in half space is discussed.

SOIL QUALITY. METHOD FOR MEASURING IN SITU THE EQUIVALENT HORIZONTAL HYDRAULIC CONDUCTIVITY AND THE DRAINAGE POROSITY. GUYON METHOD.

Indirect methods of estimating thermal conductivity and volumetric heat capacity are described and employed.

In addition, the calculation results also show that the existence of torsion in a twisted nanobelt hardly affects the thermal conductivity.

But their skin conductivity changed consistently even when they thought the chalkboard sound was from music and rated it as less unpleasant.

The complex lithology results in high bound water saturation and cation exchange capacity, and then enhances conductivity of oil-gas layers.

Analyses the principle of masking and the influencing of mole ratio, coating, and temperature to the conductivity of bimetallic powder.

The fifth topic is: the combined inverse model of the friction coefficient and the thermal conductivity for upsetting.

In the second-conductivity-type well, first-conductivity-type channel MOS transistors of the plurality of the repeating units are provided.

The electrical conductivity of the aluminum foam was connected with the parent materials'.

The electrical conductivity of the copper and brass after cryogenic treatment unchanged.

Phase change and liquid convection in molten bath were simulated by the change of specific heat and heat conductivity.

The electrical conductivity has great importance in selecting electrical materials .

This experiment adopts different doping of Bi2O3 and studies conductivity, composed phases and microstructure of the materials.

Electrical conductivity of paper is regulated by changing moisture content to eliminate static electricity of paper.

The higher the ageing temperature is, the faster the speed rate of electrical conductivity grows.

Materials of PPS possessing high heat conductivity, dimensional and metering accuracy were described.

Poly (propargyl alcohol) obtained is a brown sticky-solid with lustre, and shows semi-conductivity and paramagnetism.

Thermal probe method is used to determine thermal conductivity of fish, pig muscle, beef and fat in low temperature.

In this paper an experimental formula with transient hot-wire method is deduced for measuring thermal conductivity of nanofluids.

This paper reviews the conduction mechanism of polymer electrolytes and the factors influencing ionic conductivity.

Ultra-high conductivity copper yields the clearest transmission and lowest coloration possible.

The major facts of influence on mechanical properties and electrical conductivity of aluminum alloys are discussed.

A physical and mathematical model of the One-Wire Cutout Method (OWCM) is set up for measuring thermal conductivity of materials.

It is concluded that the method identifies self-heating defects with high precision for test pieces with small thermal conductivity.

Hence, the zones of higher bulk conductivity may be explained by mineral weathering related to hydrocarbon biodegradation.

A new measurement technique for thermal conductivity of solids at high temperature by the hot wire method is developed.

Inorganic heat transfer element has rapid start, high thermal conductivity and good heat transfer performance.

The working situation have no conductivity dust.

Since copper possesses good conductivity it is widely used in electrical engineering.

The effects of medium deformation and in situ fracture conductivity on the productivity were rarely considered in previous literatures.

This Tracer PockeTester offers direct reading of Conductivity, Total Dissolved Solids, and Salinity with one electrode.

High hardness, brittleness, abrasive sharp, good thermal conductivity.

Besides the product has low specific gravity, high strength, good thermal stability, and low thermal conductivity.

The thermal conductivity of composites was increased with the decrease of the particle size.

In the combined aging process, a much higher electrical conductivity could be achieved directly.

Though silver is a good conductor, carbon is cheaper, and the nanotubes provide the extra electrical conductivity needed.

A ratio of strength to thermal conductivity is proposed to characterize the adiabatic shearing sensitivity for steels.

When end product burning , PH value and conductivity of insulation and sheath material should suit infra- table regulate .

The soil electrical conductivity reduces along with the degeneration intensifying.

The phase diagrams of both systems were determined through conductivity measurement.

Possessing high conductivity of heat and electricity , aluminum finds wide application in industry.

An all-round introduction is given mainly on experimental evaluations on the conductivity of hydraulic fracture in CBM wells.

Measuring the electrical conductivity of many chemical solutions is difficult if the ionic concentration is very low.

Used to brush, electrode to improve conductivity.

it has the advantages of high electric conductivity, low volatility, good stability, etc.

The fitting vigor testing methods of sweet maize is the standard germination test, electrical conductivity test.

Nonequilibrium molecular dynamics simulation method is used to calculate the thermal conductivity of Si nanowires.

Analyzed the extent of embedment and the affection of conductivity. It provided basis for preventing embedment technology.