H2O的例句大全

First, formaldehyde is added in a whole, then NH3 · H2O is used to adjust pH value, and urea is added gradually, when the reaction process completed, a steady glue-like and milk white bond is obtained.

一次性加入甲醛后，用NH3·H2O调节pH值，在不同的温度下分批加入尿素，进行阶段反应，从而获得一种胶液性能非常稳定的乳白色粘合剂。

In terms of pressure effect on hydrogen isotope fractionation in the rhyolitic melt-water system, the unusual variability in the δ D values and H2O contents of the Glass Creek rhyolites from western United States are successfully modeled in the course of magmatic degassing.

依据流纹岩熔体与水之间氢同位素分馏的压力效应，成功地模拟了美国西部Glass Creek流纹岩δD值和水含量变化规律与岩浆去气之间的关系。

From raw material, ACF was prepared with H2O and CO2 as the activating agent through old and useless organic cellosilk.

以CO2和H2O作为活化剂，利用废旧有机纤维来制备活性炭纤维，对制备的活性炭纤维的性能进行研究。

The electroluminescent devices with a single layer structure was constructed using LaL2 ( H2O) 4Cl as the emitter material. Green-yellow electroluminescence was observed with brightness of ca. 330 cd/ m2 and a low drive voltage of 9 V.

以LaL2（H2O）4Cl的LB膜为发光层的单层电致发光器件的驱动电压为9V，发光亮度330cd/m~2，为黄绿色发光。

Downing the last drop of an expensive famous brand H2O as well as remembering to throw the empty bottle in the recycling bin, makes you feel pretty good about yourself, It shouldn't.

喝下最后一滴名贵的品牌水的同时又记得把空瓶子丢进了可回收垃圾桶里，使你感觉到很舒服，不应该是这样的。

four manganese atoms form a tetra-metal cluster m4-(h2o)2 in inerratic parallelogram type in the same plane.

四个锰原子在同一个平面上以一个规则平行四边形的形式，形成了一个四金属簇M4-（H2O）2。

An B-Al-MFI-type zeolite membrane was in-situ synthesized on the surfaces of a boron-silicon porous glass disc by substrate self-transformation in the vapor of ethylamine ( EA) and H2O.

在乙胺和水的混合蒸汽相中，首次通过载体自转晶，在多孔玻璃表面原位合成了B-Al-MFI型沸石膜。

Two concepts have been considered here to synthesize new types of Au catalysts to improve their adaptability to H2O in a more practicable way.

为改进金催化剂在实际应用过程中的抗水性，本论文采用两种思路合成了新型的催化剂样品。

The relationship between the equilibrium concentration of total cadmium ions and pH value was shown in Cd2+-H2O system, when the dissolution of Cd ( OH) 2 is in equilibrium.

pc&pH图描述了Cd（OH）2（s）溶解平衡时，镉的总离子平衡浓度与pH的关系。

In this paper, the solubility of Li+, Na+ ∥, H2O quaternary system at 288 K has been determined by isothermal equilibrium method.

采用等温溶解平衡法对Li~+，Na~+‖CO3~2-，B4O7~2&H2O四元体系进行288K相平衡研究。

By measuring characteristics of mass transfer of liquid-film with CO2-H2O System an equation of dimensionless groups for liquid-film mass transfer coefficients has been proposed.

又选用CO2-H2O系统对塔的液膜传质特性进行了研究，并提出了液膜传质系数的无因次准数关联式；

in addition, the effect of so2 and h2o on catalyst activity was discussed.

另外，探讨了SO2和H2O对催化剂活性的影响。

As the positive pole of one H2O attracts the negative pole of another, the molecules cling tightly together.

当水分子的正极吸引另一分子的负极时，两个分子a紧密连接在一起。

However, continuously increasing H2O content to a certain extent could decrease the signal intensity.

但增加到一定程度后信号强度会降低。

Standard thermodynamic functions of transfer of naphthalene from water to H2O-t-butyl alcohol ( TBA) mixtures were determined from the solubility measurements at different temperatures.

通过溶解度法研究了萘从水到水-叔丁醇（TBA）混合溶剂中的标准迁移热力学性质。

The author elaborates a new synthetic method of reducing citral to nerol and geraniol by PTC catalytic reduction with sodium borohydride, in C6H6/ H2O mixture solvents, we discuss the effective factors of reduction and find out the optimum reaction conditions.

以水和苯作混合溶剂，以硼氢化钠作还原剂，采用相转移催化法还原柠檬醛合成橙花醇香叶醇，并对影响还原反应的各种因素进行研究，找出最佳工艺条件。

Ten sulfo-group containing compound were tested whether they could be used as the phase transfer catalyst ( PT CS) for the electrophilic substitution in the solution of H2O/ CH3COONa-CH3COOH/ ClCH2Cl by measuring the coupling reaction rate constant.

选择了10个含磺酸基团的化合物作为相转移催化剂，测定其在H2O／CH2COOH－CH3COONa／ClCH2Cl体系中的亲电偶合反应速率常数。

By coupling the continuity equation, momentum equation and mass transport equation, we can compute O2 and H2O concentration distribution and the gas velocity distribution at the cathode with pin flow field, multi meander flow field and single meander flow field.

通过耦合求解质量守恒方程、动量守恒方程和组份守恒方程，计算出点状、多蛇形和单蛇形三种不同流场阴极O2和H2O浓度的分布以及气体速度分布。

Here's how you'll feel with a lack of H2O ( hint: it's really not fun).

下面看一下脱水的感觉（提示：这真的一点也不有趣。）

The results show that the H2O mixing ratio decreases with height in upper troposphere quickly reaches a minimum near the tropopause and the bottom of stratosphere; and then it increases.

结果表明：高原上空H2O混合比在对流层上层随高度迅速减少，在对流层顶和平流层底达到极小值，平流层里水汽混合比随高度增加。