浓度的例句大全

With increasing of irrigation frequency, pH decreased, organic content and total dissolved solid increased, ion concentration in soil solution changed obviously.

同时，随着灌溉次数的增加，土壤pH值降低，土壤有机质和全盐量增加；土壤溶液中各离子浓度有显著变化。

The concentration of sulfur compound was the highest in steam distilled onion oil while it was lower in the extract of hexane and alcohol ( at25 ℃).

在含硫化合物浓度上，水蒸汽蒸馏得到的洋葱精油明显高于正己烷或乙醇萃取得到的油树脂，而不同溶剂萃取得到的油树脂含硫量相差不多。

The whole embryo culture method was used in testing the development toxicity of carbon disulphide.

本文应用大鼠全胚胎培养方法检测了二硫化碳（CS2）的发育毒性。孕鼠于妊娠7、8两天经呼吸道吸入浓度为100mg/m~3的CS2，每天染毒4小时。

The solubility, surface tension and critical micelle concentration of the anionic and cationic surfactant blend of dodecyl polyoxyethylene methylammonium chloride and dodecyl polyoxyethylene ether sulfate with different oxyethylene units were studied.

研究了十二烷基甲基聚氧乙烯氯化铵与脂肪醇聚氧乙烯醚硫酸盐复配体系在不同乙氧基化数的溶解性、表面张力及临界胶束浓度。

The results show that with the increase of the boron dopant density, the potential windows of the electrodes become narrower and the background currents become larger.

结果表明，随着掺硼浓度的增加，电极的电势窗口略微变小，背景电流也随之变大。

For the range of fluences studied, the observed effects result from a reduction in minority carrier lifetime in the IGBT and not from changes in the effective dopant density.

对于所研究的注量范围，所观察的效应是由于IGBT少子寿命减少造成的，而不是由于有效掺杂浓度变化所致。

An Analytical Model for Optimizing SOI High Voltage Device with Step Doping Profile in Drift Region

阶梯掺杂漂移区SOI高压器件浓度分布优化模型

For the lasers with symmetrical waveguide, the photon absorption of the non-active region material is proportional to the doping concentration of material, which causes serious absorption loss.

对称波导结构激光器中，非有源区材料对光子的吸收与其掺杂浓度成正比关系，吸收损耗比较严重。

For the grooved gate PMOSFET, the study results prove that with the increase of channel doping density, the threshold voltage increases, the drain current driving ability decreases, and the hot carrier effect is suppressed, as in the planar device.

研究发现，随着沟道掺杂浓度的提高，与平面器件相同，槽栅器件的阈值电压提高，漏极驱动能力降低，抗热载流子效应增强；

Numerical Simulation for Atmospheric Diffusion Wind and Concentration Field in Mountain Area

山区大气扩散风场及浓度场的数值模拟

The calculation results show that the concentration diffusion has inhibiting effect on the convection.

结果表明了浓度扩散对系统有稳定作用.

Effects of mass concentration and enzyme digestion time on isolation of rat islet cells

胶原酶消化时间及质量浓度对大鼠胰岛细胞分离的影响

Results: The concentration of collagenase and digestion time were important factors for efficacious isolation of islets.

结果：胶原酶浓度、消化时间对胰岛分离结果有重要影响。

The results showed that mannitol concentrations and the digestion time had extremely significant influences on the yield of protoplasts.

结果表明：山梨醇浓度和酶解时间对原生质体产量影响均有极显著性差异。

When measuring a shallow diffused layer at low concentrations, reliable measurement free of noise are difficult to make.

测量低浓度浅扩散层时，无干扰的可靠测量很难实行。

N2 diluted fuel flames mass flow is more effective than dilution air flow to reduce the effects of NOx concentrations.

N2稀释燃料火焰质量流量的效果比稀释空气对降低NOx浓度更加有效。

Tested with plat double dilution method, showed that level of resistance was high.

采用平皿二倍稀释法对随机选择的40株大肠杆菌的最低抑菌浓度的测定结果表明，多重耐药的水平相当严重。

Better dispersion of pollutants emitted by tall chimneys leads to better dilution in the air and thus lower local concentrations of pollutants.

高的烟囱能够让污染物在空气中散布得更均匀，可以更好地稀释污染物，让污染物的浓度降低。

Note: The line means MIC had not been determined by means of dilution method.

注: “-”表示采用平皿内试物液稀释法未能测出其最小抑菌浓度.

Their absorption was first-order process besides the passive diffusion mechanism, and facilitated diffusion and active transport may also take part in the transport process.

栀子苷在大鼠小肠的吸收速率随浓度的增加而减小，提示药物的吸收机制除了被动扩散外，可能有主动转运和易化扩散因素；