第二导电型阱形成在半导体基片的表面层上,该表面层在多个重复单元上延伸。
进而可以据热导率和掺杂浓度的关系,得到半导体中掺杂浓度的分布。
这使得它作为电极具有除优良的导电性外,还可以胜任在特殊环境下的工作。
随碳纳米管含量增加,聚酰亚胺薄膜的表面电阻率和体积电阻率都有明显降低,并存在一个阈值;
给出了固相、液相和气相共存的金属粉末烧结体系导热系数的计算方法。
各国企业间的经济依赖性大幅度提高,经济危机一旦发生,其传导必定很快。
半导体:一类晶体材料,其电导率介于导体和绝缘体之间。
由于极大的渗透性,当土层厚度变薄或由于大孔隙而具有较高的水力传导性时,表层土壤就会出现排水。
如果深度很大,就必须认为热容以及热导率都高于接近地表处的热容和热导率。
钢材虽然不具备可燃性,但是钢材的导热系数大,一旦发生火灾易产生结构变形和破坏;
单一组分,具有优异的印刷性、柔韧性以及附着力,导电性能好,性能稳定,欢迎来电来函咨询。
位于所述半导体衬底中并具有和所述第一有源区相反导电类型的第二有源区;
如果要精确地测量热导率,就必需考虑接触阻力的存在问题。
尽管房水通过巩膜外流的能力有提高,但并不足以解释外流结构的整体变化。
电弧是一种空气导电的现象,在两极间强烈而持久的放电现象称为电弧。
像铜,铝这样的金属之所以能在电力工业中得到广泛应用,是因为它们的导电性好。
高综合传热系数和低阻力系数是换热器的重要经济技术指标。
这两种试验条件十分容易控制,并且试验结果被电导计自动测试。
第一外延层被布置在衬底之上并且被掺杂为也具有第一导电类型。
试验结果表明TDR能够很好地测得饱和砂性土的孔隙水电导率。
聚合物电解质的离子电导率取决于导电物质的浓度和它们的迁移性。
与垂直于拉伸方向相比,复合材料沿拉伸方向具有更高的电导率及更低的渗流阈值。
采用导热性高的压铸铝材质,表面灰色烤漆,外观高档精美。
氧化锌纳米颗粒的导电能力介于导体和绝缘体之间是一种典型的半导体。
而本身存在电子导电率低和锂离子扩散速度低的缺点,仍需要改进。
1·Do you have an online monitoring system, such as TOC and conductivity?
您有在线监测系统吗,譬如总有机碳和电导率?
2·Advanced water treatment equipment, water conductivity of 0.2 can be used in the production of any quality cosmetics.
先进的水处理设备,使水的电导率在0.2以下,可用于生产任何优质化妆品。
3·For the purpose of this discussion, these ions and their resulting conductivity can be considered intrinsic to the water.
针对讨论的目的,这些离子以及它们所导致的电导率可被当作水的固有特性。
4·Rinse surfaces once through with DI water until conductivity of inlet and outlet fluids are within tolerances.
用去离子水单次使用冲洗表面直到入口和出口的液体的电导率在容许范围内。
5·Wires of different materials, although of the same diameter and length, differ in their conductivity.
不同材料的电线,尽管直径、长度相同,其电导率是不一样的。
1·It possesses incredible strength and elasticity, while its exceptionally high conductivity and use in flexible semiconductors could soup up computing.
它具有难以置信的强度和弹性,而其异常的高导电性和半导体中灵活的应用可以提高计算能力。
2·The material's large surface area, flexibility, low density, and high conductivity also make it compelling for energy storage.
材料的巨大表面积、弹性、低密度以及高导电性使得它也可以用于储存能量。
3·But their skin conductivity changed consistently even when they thought the chalkboard sound was from music and rated it as less unpleasant.
但是皮肤的导电性的变化是一致的,即使当他们以为黑板的声音是来自于乐曲,而且觉得它们也没有那么不悦耳。
4·Changes in the thickness, viscosity and conductivity of the outer core in the past could have led to convection patterns that caused the magnetic pole to tilt.
过去任何来自于核外层的厚度、粘性和导电性变化都会导致对流形式变化从而引起磁极倾斜。
5·The advantage of vacuum deposition is that it's possible to make very high-quality films, which result in materials with higher conductivity.
真空沉积法的优势在于它可以制出高品质的薄膜,从而成为高导电性的材料。
1·A new kind of miniature conductivity cell was made with a clever and handy method, which has no dead volume and has large area of electrode, high resolution and sensitivity.
使用简便的方法制作了电极面积大、无死体积、分辨率高、检测限低的微型电导池;
2·In addition, we directly observe the contribution of the light hole to the conductivity tensor component.
此外,在实验中,还直接观察到了轻空穴对电导张量分量的贡献。
3·As we all know, conductivity measurement in industrial production and scientific experiments is of great significance.
众所周知,电导测量在工业生产和科学实验中有着十分重要的意义。
4·But it should be stressed that the conductivity decay of P-type doped polyacetylene can be significantly suppressed by immersion of the doped polyacetylene film in some concentrated aqueous solutions.
但是需要强调的是P -型掺杂的聚乙炔的比电导的衰变会由于掺杂的聚乙炔插在某些浓的水溶液中而得到有效的抑制。
5·Results show that the measuring method with the conductivity electrode placed at the nozzle outlet can describe objectively the distribution of the tundish fluid flow.
结果表明,只有将电导电极置于水口出流部位的测定方法才能客观地反映中间包内流体的流场分布情况。
1·Too many atoms of the wrong sort, though, can be equally bad, interfering with a transistor's conductivity.
如果出现了过多错误种类的原子,事情也一样糟糕,会影响到晶体管的导电性能。
2·Used to brush, electrode to improve conductivity.
用于电刷、电极上以改善导电性能。
3·Being good in conductivity, aluminium is used as a conductor.
铝由于导电性能好而用作导体。
4·Meanwhile, only one thin layer of the coating can ensure good conductivity.
同时,它只需要喷一层薄薄的便会有很好的导电性能。
5·The effects of concentrations of aniline, oxidizing agent, doping agent, and the reaction temperature and period on the conductivity of the composite fiber were discussed.
讨论了氧化剂与苯胺的初始摩尔比、苯胺单体浓度、掺杂酸浓度、反应温度及反应时间对纤维导电性能的影响。
1·Carbon fiber's conductivity and "special layer structure make it possible for the energy from driving to be stored directly in the frame," Kittman says.
据基特曼所说,碳纤的传导性和“特殊的层结构使车子骑行时产生的能量能直接储存在车架里。”
2·The Sondrestrom Upper Atmospheric Research Facility has a 32-metre-wide radar dish. It measures conductivity from an altitude of 60km to600km and has helped define the cusp's circuitry.
桑德日斯多姆高层大气科学研究所(Sondrestrom Upper Atmospheric Research Facility)拥有一个32米宽的雷达抛物面天线反射镜(radar dish),它可以检测到从海拔60公里至600公里的传导性并有助于详细说明尖端的电路结构。
3·Very high or very low heat conductivity.
非常高或非常低的热传导性。
4·Afterward, additional surges flowed mostly through the thin copper layer because copper has higher conductivity than tungsten.
然后,另外的浪涌大多数通过薄铜板流动,因为铜具有比钨更高的传导性。
5·Silk on the thermal conductivity is very low, so the warmth with superior functionality.
蚕丝对热的传导性极低,因此具有超强的保暖功能。
1·Varying the voltage or the distance between the ground plate and the graphene alters the conductivity, "just like tuning a knob," Engheta said.
改变电压或是接地板与石墨层之间的距离都能改变传导率,“就像调节旋钮一样”,Engheta说。
2·Malignant tissues have higher permittivity and conductivity and therefore appear differently than normal ones to a screen.
恶性组织有较高的透电率和传导率,因此在屏幕与正常组织比表现不同。
3·Droplet test and conductivity characterizes cation of the type of emulsion.
小滴测试和传导率描述了乳剂类型的阳离子特征。
4·This paper builds up the heat conveying model of the heat pipe screw, calculates its total conductivity and its heat conveying equation.
建立了热管式螺杆的热模型,计算出了热管式螺杆的总传导率,进而得出了热管式螺杆的传热方程。
5·Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.
比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。
1·Soil hydraulic conductivity is closely related to the movement of water and salts in soil profiles and is highly affected by solution salt concentration and its composition.
水力传导度的变化直接影响土壤剖面的水盐运动,并和土壤溶液的盐分浓度及其组成有很大关系。
2·Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.
通过室内土柱淋洗试验,研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。
3·Sensitivity analysis of model parameters showed: Saturated hydraulic conductivity is the most sensitive factor for two soil groups, and saturated water content takes second place.
对模型参数的敏感性分析表明:饱和水力传导度是最敏感的参数,饱和含水量的敏感性次之。
4·Modification reduces capillary conductivity.
改良土壤会降低毛细管传导度。