concentration gradient
[化学] 浓度梯度
2025-12-16 12:07 浏览次数 10
[化学] 浓度梯度
do concentration gradientdo浓度梯度
gas concentration gradient气体浓度梯度
effective doping concentration gradient有效掺杂浓度梯度
concentration gradient of atoms原子浓度梯度
concentration-gradient curve浓度梯度曲线
nitrogen concentration gradient氮浓度梯度
molecular concentration gradient分子浓度梯度
lateral concentration gradient横向浓度梯度
concentration of gradient堿度
the result showed that the co 2 flux and co 2 concentration gradient as well as the water use efficiency of the summer corn community had distinct daily and seasonal change patterns.
结果表明,夏玉米群体二氧化碳通量、二氧化碳浓度差及群体水分利用率存在明显的日、季节变化规律。
decreased blood flow (eg, in shock) may lower the concentration gradient across the intestinal mucosa and decrease absorption by passive diffusion.
血流量的减少(如休克病人)可以降低跨肠粘膜的浓度梯度,从而减少被动扩散吸收。
the change of the mass concentration gradient of uranium metal is obviously regular.
铀金属质量浓度梯度变化规律明显;
extraction velocity had a relation with interface areas, concentration gradient of solute and the status of fluid kinet…
萃取速率与相界面积、两相中的溶质浓度差和滴内流体力学状态有关。
the variation of methane concentration gradient was greater.
甲烷浓度的梯度变化比较大。
the movement of a solute down its concentration gradient is called diffusion.
溶质沿着浓度梯度溶解的运动过程被称作分子扩散运动。
so large ranges of concentration gradient were formed where the water masses displaying different properties met.
因此,当不同理化特性的水团交汇时形成了强的浓度梯度。
the dependence of breakdown voltages of the thin film soi devices on the concentration gradient in the linearly doped drift region is experimentally investigated for the first time.
首次对薄膜soi功率器件的击穿电压与线性掺杂漂移区的杂质浓度梯度的关系进行了实验研究。
extraction velocity had a relation with interface areas, concentration gradient of solute and the status of fluid kinetics in the globelet.
萃取速率与相界面积、两相中的溶质浓度差和滴内流体力学状态有关。
when the weak acid is given orally, the concentration gradient for un-ionized drug between stomach and plasma tends to be large, favoring diffusion through the gastric mucosa.
当这种弱酸性药物经口服给药时,胃与血浆之间的非解离型药物浓度梯度很大,从而有利于透过胃粘膜扩散。
in the root-soil ecoboundary layers of black locust and slash pine growing under different soil conditions, there existed a concentration gradient of nutrient elements.
生长于不同土壤条件下的刺槐、湿地松的根土边界层上,营养元素的分布都有浓度梯度。
method the main influential factors were detected by pcr in serial concentration gradient and electrophoresis, then select the optimal experimental conditions.
方法对实验研究中的主要影响因素设置各系列浓度梯度,进行pcr反应后观察电泳结果选取最适条件。
the invention discloses a method for converting free energy stored in an ion concentration gradient form into electric energy.
本发明公开了一种将以离子浓度梯度形式储藏的自由能转化为电能的方法。
the boundary layer is characterized by a concentration gradient of the oxidized ion. diffusion of the reducing agent ion through the boundary layer controls the redox reaction.
边界层的特征在于被氧化离子的浓度梯度,还原剂离子的扩散通过边界层控制了氧化还原反应。
the process does not require energy expenditure, and transport against a concentration gradient does not occur.
这种转运过程不消耗能量,也不会导致逆浓度梯度转运的发生。
this sets up a chemical concentration gradient that tells stem cells how and where to develop.
形成化学浓度梯度,告诉干细胞如何以及向哪儿发育。
methods: cytotoxicity of manumycin was determined by mtt assay, and cytotoxicity of the other drugs alone was determined using the half concentration gradient design.
方法:细胞毒测定以mtt法;单药细胞毒测定以半倍浓度梯度设计;
a tectono-geochemical barrier is a sector of a geological structure, where the element concentration gradient of the tectono-geochemical field is at its maximum.
构造地球化学障就是构造地球化学场中元素浓度梯度极大值所在的地质构造地段。
the carbon diffusion layer is affected by concentration gradient of alloy elements and carbon, atom diffusion, the heat treatment and surfacing processes.
碳扩散层的形成受合金元素与碳的浓度梯度、原子扩散、热处理工艺和堆焊工艺等因素的影响;
based on the gradient dilution technique of fia, a new standard addition method is established. concentration gradient can be formed by injection of only one single standard solution.
根据fia梯度稀释技术建立了一种新的标準加入方法,只需要注入一种标準溶液,就能形成浓度梯度。
objective to explore the effects of slc concentration gradient on suppression of tumor immune escape.
目的探讨人次级淋巴组织趋化因子浓度梯度对肿瘤细胞免疫逃逸的影响。