查询词典 concentration on

The properties of turbulence which characterized as the movement of vortexes influenced the heat and mass transfer, propagation of flame in the combustion process deeply, at the same time, the turbulent combustion based on the turbulent flow coupled with the intense chemical reactions, meanwhile, the heat releasing and the transfer of species concentration cause the nonnegligible effects on the turbulence and its structure.

以涡运动为特征的湍流的性质对燃烧过程中传热、传质和火焰传播都具有重要的影响；同时，湍流燃烧过程则是在湍流流动基础上再耦合以强烈的化学反应，其间由于燃烧造成的热释放、组份浓度的迁移等同样会对湍流流场产生不可忽视的作用。

The effects of phosphorus concentration in indoor water system on the growth of Scenedesmus obliquus by using organic phosphorous in domestic detergents as phosphorus sources,especially on the toxicity effect were investigated.

以洗衣粉中的有机磷为磷源，通过室内模拟的方法研究在不同磷浓度的水体条件下斜生栅藻的生长情况，以及磷对斜生栅藻的生长是否有毒害作用。

The results indicated that the decoloration of three orcein dyes on EPI-DMA/Bt were much better than on Na-Bentonites. The relationship between adsorptive capacity and equilibrium concentration fitted the isothermal adsorption equations of Langmuir and Freundlich. The adsorption dynamics followed the law of Langmuir equation.

结果表明，聚环氧氯丙烷二甲胺/膨润土对三种染料的吸附脱色能力明显大于钠基膨润土，平衡吸附量 q e与平衡浓度 C e之间的关系均符合Langmuir和Freundlich等温吸附模型，吸附动力学行为遵循Langmuir方程所述规律。

The study showed that the biosorption process could be described well by pseudo-second-order kinetic model and Freundlich isotherm model.Higher cell concentration was favorable to the biosorption.Temperature's effect on the biosorption was not obvious.The oxygenous and nitrogenous functional groups on the cell wall played a very important role in the process of biosorption.Microdeposits were formed by int...

结果表明，菌体对银的吸附量可达91.75 mg/g，吸附过程符合Pseudo-second Order吸附动力学模型，相关系数高达0.999 9；吸附热力学很好地符合Freundlich吸附等温模型，相关系数为0.99；考察菌体浓度和温度对吸附的影响发现，菌体浓度增加有利于对银离子的吸附，温度对吸附影响较小；FTIR、SEM及EDAX实验结果表明吸附存在2种吸附机理，一为菌体表面一些含氮氧的基团对Ag+的络合作用，二为菌体分泌的胞外多糖等物质对Ag+的微沉淀成晶作用。

In this research, we prepared Mo doped ZnO thin films on glass a substrate using co-sputtering to improve the conductivity of ZnO. The incorporated concentration of Mo atoms in ZnO was controlled by adjusting the aperture size of a shutter palaced in front of the Mo target. Textured morphology of ZnO film could be formed by attaching a metallic mask on the substrate.

本研究，欲以钼(Molybedeun， Mo)金属掺杂来提升氧ZnO薄膜之导电性，使用一般玻璃做为基板，利用射频溅射ZnO靶材及直流溅射Mo靶材进行共镀，Mo掺杂浓度是藉由钼靶前之挡板中的开口大小来控制，实验中改变基板温度(50℃、100℃、200℃、300℃)并进行镀膜后低压退火处理，藉此探讨Mo掺杂对於ZnO薄膜光电特性之影响，并找出最佳化制程参数。

By alcohol method, based on single factor test, using response surface methodologyto study effect of extraction time, ethanol concentration and solid-liquid ratio on pentacyclic triterpenes extraction from Bamboo.

本研究采用乙醇提取法，在单因素试验的基础上，应用响应曲面设计(Respones surface methodology， RSM)研究了提取温度、乙醇浓度和料液比对竹叶五环三萜提取得率的优化工艺。

Whole-cellpatch-clamp technology demonstrated that VDPG (1g/L) had notsignificant effects on the delayed-rectified K~+ current, TTX-sensitive Na~+ current and high-voltage-activated Ca~(2+) current of rat dorsalroot ganglion cells. The fast transiet K~+ current of cottonbollworm dorsal DUM cells, the fast transiet K~+ current, Na~+ current andhigh-voltage-activated Ca~(2+) current of Periplaneta Americana dorsalunpaired median cells were also not significantly affected byVDPG at the same concentration. However, VDPG had significant effecton the fast transiet K~+ current of Pieris rapae. The VES had not significanteffects on the high-voltage-activated and low-voltage-activated Ca~(2+)current of rat DRG cells.

膜片钳电生理实验显示1g／L毒囊粗毒对蜚蠊DUM神经元的快瞬时钾电流、钠电流、高电压激活的钙电流，对棉铃虫快瞬时钾电流和大鼠DRG细胞延迟整流钾电流、TTX-S型钠电流、高电压激活的钙电流均无明显作用，却对菜青虫快瞬时钾电流有明显作用；电刺激粗毒对大鼠DRG细胞低电压和高电压激活的钙通道无明显作用。

TiO2 photocatalyzer supported on glass were prepared with sol-gel method. The photocatalytic degradation of methylene blue was studied including the effect of the factors such as reaction time, the initial concentration and pH value on the photocatalytic degradation.

采用溶胶－凝胶法制备了玻璃负载的TiO2薄膜光催化剂，研究了该催化剂对亚甲基蓝溶液的光催化降解，考察了反应时间、水样的初始浓度、溶液的pH等对光催化降解效果的影响。

Root,immunoassay of ELISA(enzyme linked immunosorbent assay) was employed to determine IAA concentration in root tip, unilateral application of agar block containing IAA on root tip was carried out to investigate the effect of exogenous IAA on phototropic response.

为了研究生长素在水稻根负向光性反应中的作用，用含有IAA的琼脂块贴附在种子根的根尖表面观测IAA对根的生长效应，用ELISA法测定根尖的IAA含量，并对种子根弯曲部分进行半薄切片，结果表明：(1)种子根的生长方向既受光的调控也受外施的IAA的调控，根尖向贴有含IAA琼脂块的一侧弯曲生长；(2 )不定根在光照 1.5h后，背光侧的IAA含量明显大于向光侧；(3)种子根尖发生弯曲生长是伸长区的细胞不均等生长所致。

A survey on the crops grown on the restored manganese mine lands in Pingle and Lipu of Guangxi was conducted, and the heavy metal concentration s in the edible parts of the crops were analyzed.

对广西平乐、荔浦两锰矿恢复区种植的食用农作物进行了调查和重金属含量分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。