查询词典 alkali chlorosis

The bricks will be eroded and spalled under the alkali atmosphere.

由于衬砖长期处于碱环境下，表面层不断碱化、酥松而被破坏。

The pump takes, weak acid and alkali medium and so on the oil class,makes the bushing material with the perbunan; But requests in high to be wear-resisting, high strength and oil resistant, bears the benzene and so on under the condition works, then selects gathers the ammonia fat rubber to make the bushing material.

抽汲取油类、弱酸和碱等介质，用丁氰橡胶做衬套材料；而要求在高耐磨、高强度和耐油、耐苯的等条件下工作，则选取聚氨脂橡胶做衬套材料。

In chapter 5, we demonstrates for the first time that solvating the alkali metal ion in〓 by THF can change the electronic state of 〓 significantly.

在第五章，通过对〓(0＜x＜1)进行固体磁共振研究，我们首次揭示碱金属离子的溶剂化对于〓离子的电子态有显著影响(以间接方式，即通过影响〓之间的键合强度而起作用)：当〓离子与〓离子之间键合较弱时，〓离子处于〓电子基态；而当〓离子与〓离子之间键合较强时，〓离子则处于〓电子基态。

In this research, liposoluble chlorogenic laurate was synthesized by the acylation with lauroy chloride in the existence of alkali catalyst in non-water phase, and yellowish CGL powders with a yield of 81.24% were obtained under the optimal synthesis conditions determined via single-factor tests and orthogonal experiments, that is, carrying out the acylation at 35℃ for 8h with a n:n: n ratio of 1:1:1.5 and with dimethylformamide as the solvating agent and the thinner.

文中对绿原酸进行了改性，即在碱性催化剂催化的条件下使其与月桂酰氯进行非水相的酯化反应，得到了脂溶性的绿原酸月桂酸酯。经过单因素及正交试验，确定了最佳合成条件为：以N，N-二甲基甲酰胺作为溶解、稀释剂，绿原酸／月桂酰氯／三乙胺的摩尔比为1：1：1.5，温度控制在35℃，反应时间8h。

General Paint external walls of scrims standard closed Primer is set high alkali, high adhesion, water resistance and anti-salting-out that combines the functions of the external walls of water-borne closed primer.

漆将军标准型外墙抗碱封闭底漆是集高度抗碱、高附着力、防盐析及耐水功能为一体的外墙水性封闭底漆。

The invention relates to a glass composition for use in a lamp bulb including cobalt oxide to provide a blue colored glass, which composition comprises alkali metal oxide including lithium oxide.

本发明涉及一种用于灯泡的玻璃合成物，其含有能提供蓝色玻璃的氧化钴，组分中含有包括氧化锂的碱金属氧化物。

Tested the volatilization of boron through the acid-alkali neutralization titration, analyzed the influencing factor of boron volatilization, the conclusion showed that the moisture content and heating-up time were important factor; observed the phase splitting by the SEM, the conclusion showed that the phase splitting were all connected state.

通过酸碱中和滴定法测定了硼挥发量，分析了影响硼挥发的因数，结果表明含水量和升温速率是影响硼挥发的重要因数；通过扫描电镜观察了玻璃的分相情况，结果表明其分相类型均为连通状分相。

PS alkali lignin sulfonate is a new type of surfactant, which is extracted and purified from waste liquid of paper-making by adding phenol and aldehyde and sulphuric acid at high temperature.

PS碱木素磺酸盐是由造纸废液经浓缩加入酚、醛和硫酸等在高温下复配或反应后提炼出的 1种新型表面活性剂。

The crystal is plate-shaped, color- less, and transparent, occurring mainly in alkali ore stratum composed of nah- colite.

该矿物晶体呈板状，无色透明，主要产在重碳钠盐组成的碱矿层中。

Factors which can accelerate the early hydration of cement,the setting in particular,such as excessively high C3A content,too low SO3 content,high alkali content and the blending of pozzolana with large inner specific surface area,etc.,will result in poor compatibility of the superplasticizer with cement.

凡是加速水泥初期水化的因素，特别是使水泥凝结加速的因素如C3A含量过高、SO3掺量过少、碱含量高以及掺入内比表面积大的火山灰质混合材等均使水泥与超塑化剂的相适应性变差。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。