查询词典 cation

At the same time, LOM and CMI showed significant positive correlations with cation exchange capacity, exchangeable potassium, exchangeable calcium, total base and microelement, etc.. However, total organic matter was insignificantly related to those chemical indexes.

同时，LOM及CMI与土壤阳离子交换量、交换性钾、交换性钙、盐基总量、微量元素等呈显著或极显著正相关，但总有机质与上述土壤化学指标相关性差。

The classification of acidification indices about the tested the litchi orchard soil: the first class was soil intensity index of exchangeable aciditypH(KCl, exchangeable acidity, exchangeable aluminium, titratable acidity, actual acidification velocity , cation exchange capacity or electrical conductivity; the second class was soil exchangeable Ca2+, total base or base saturation percentage; The third class was soil intensity index of active aciditypH

采用第一类酸化指标，pH2.5的酸雨淋溶引起了供试土壤的酸化；采用第二类酸化指标，除pH2.5的酸雨淋溶引起了供试土壤的酸化外，pH3.5的酸雨淋溶引起了供试土壤的表层土壤酸化；采用第三类酸化指标，pH≤4.5酸雨淋溶引起了供试土壤不同程度的酸化。

The air will be beneficial to the human body due to electrostatic and anion adsorption on the screen surface, which allows the computer operator in the cation-anion imbalance in the environment and easy to cause headaches, fatigue, respiratory disease, faces a rash; Sweden and Norway, the use of computer experts is likely to increase in skin diseases, studies have been made, but is still unable to confirm the selection of skin inflammation and is directly related to the use of computers.

空气中有益于人体的阴离子会因静电而吸附在屏幕表面，使得电脑操作人员所处环境中阴阳离子不平衡，易引起头痛、疲劳、呼吸器官疾病、脸部出红疹等；瑞典和挪威专家对电脑的使用是否可能使皮肤病增加，曾作了相关的研究，但目前仍无法证实皮肤炎症的产生与使用电脑直接相关。

Main contents of the course includes: related conceptions, matter of soil, soil texture, soil organic matter, soil humus, soil structure, soil moisture, soil air, soil acidity and soil alkalinity, soil colloid, cation exchange, soil former soil-forming process, soil classification, distributions and properties of soil great group in China (fores soil, steppe soil, main non-zonal soil, paddy soil, etc), soil erosion, soil contamination, soil utilization, conservation of soil resource, soil investigation, etc.

土壤地理学是地理科学专业的主要基础课程之一，是一门必修课程；要求掌握土壤地理学基本的理论、知识和方法；主要内容有：有关概念、土壤组成物质、土壤质地、土壤有机质、土壤腐殖质、土壤结构、土壤水分、土壤空气、土壤酸碱性、土壤胶体、土壤阳离子交换、土壤形成因素、土壤形成过程、土壤分类、中国主要土壤类型（森林土壤、草原土壤、主要的非地带性土壤、水稻土等）的分布及其性质、土壤侵蚀、土壤污染、土壤资源的利用与保护、土壤调查研究等。

Therefore,it is necessary to develop new routes to prepare anion exchange membranes without such chloromethylation process.As for cation exchange membranes, mostly-perfluorinated sulfonic acid ionomers,such as Nafion~ series,have been wildly used due to their high proton conductivity and substantial durability.

对于强碱性的阴离子交换膜的制备，由于传统路线中的卤甲基化步骤中不可避免的采用强致癌物质二氯甲醚，因此无论是从经济成本还是环境保护方面，开发不采用氯甲基化步骤的阴离子交换膜制备方法是目前的一个迫切要求。

With regard to anion exchange membranes,the traditional preparation method involves a much complicated process—chloromethylation,in which the commonly used chloromethyl methyl ether and bis-chloromethylether are now considered carcinogens.Therefore,it is necessary to develop new routes to prepare anion exchange membranes without such chloromethylation process.As for cation exchange membranes, mostly-perfluorinated sulfonic acid ionomers,such as Nafion~?

对于强碱性的阴离子交换膜的制备，由于传统路线中的卤甲基化步骤中不可避免的采用强致癌物质二氯甲醚，因此无论是从经济成本还是环境保护方面，开发不采用氯甲基化步骤的阴离子交换膜制备方法是目前的一个迫切要求。

It is more important that the proposed method offers a general approach, which can be applied to any other cations by simply replacing the lithium-selective ionophore with any other suitable cation-selective one.

更为重要的是，在这一体系中，若将其中的锂离子中性载体换成其它合适的离子载体，就可获得其它离子的荧光化学传感器。

Vanilloids bind to the transient receptor potentialion channel subtype 1, a nonselective cation ionophore importantin the integration of different noxious signals.

Vanilloid 结合到瞬时受体电位离子通道亚型1，后者是一种非选择性的阳离子载体，在整合不同伤害信号时起重要作用。

Vanilloids bind to the transient receptor potentialion channel subtype 1, a nonselective cation ionophore importantin the integration of different noxious signals.

Vanilloid 结合到暂态受体电位离子通道亚型1，后者是一种非选择性的阳离子载体，在整合不同伤害信号时起重要作用。

Using the carrier to carry digital information in modern communication is a wides cation, such as PSK and QAM technologies, both of them need the carrier with sin wave.

在现代通信中利用载波携带数字信息的传输应用广泛，如PSK、QAM等调制技术均要用到正弦形式的载波。

He knows that he's one of the mostdominant players in the NBA right now.

我知道他现在是联盟里最有统治力的球员之一了。

Using analysis method of BCG , the dissertation analyzed the management of voluntary service organizations .

利用BCG分析方法对我国的志愿服务组织管理进行了分析。