H2O

The central Cu ( II) ion of [ CuL2 ( Sal) 2] · H2O has a centrosymmetric and distorted tetragonal-octahedral geometry.

配合物[CuL2（Sal）2]·H2O的中心铜（II）离子具有中心对称的畸变八面体构型；

The simultaneous addition of H2O and SO2 to the mixed reaction gas caused a significant decrease of activity, which was attributed to the decrease in the chemisorption of NO on the catalyst in the presence of SO2 according to temperature-programmed desorption ( TPD) result.

将H2O和SO2同时加入反应混合气，引起NO还原活性较大幅度降低，结合程序升温脱附实验结果，认为可能是由于存在SO2时，Ag/Al2O3催化剂吸附NO的能力降低。

The title compound is composed of four tetrabutylammonium cations, one [ PMovMo11O40] 4-heteropoly anion, two N, N-dimethyl formamide and one H2O molecule.

标题化合物是由4个四丁基铵阳离子、1个12-钼磷混合价杂多阴离子[PMo12O40]4-、2个DMF分子和1个水分子构成。

The third class was soil intensity index of active acidity ( pH ( H 2 O ) ).

第三类是土壤活性酸强度指标 ( pH ( H2O ) ).

The crystal structure of a novel tetranuclear Pr complex [ Pr4 ( O2) 2 Cl8 ( THF) 8 ( H2O) 2] · 2THF was determined by the single crystal X-ray diffraction method.

本文用X&射线衍射法测定了[Pr4（O2）2Cl（THF）（H2O）2]·2THF的晶体和分子结构。

During the process, the organic compounds react completely with the oxidant in a singlephase reaction forming CO2 and H2O, and the reaction time seldom exceeds some minutes.

在操作过程中，有机物与氧化剂呈现为快速的均相反应，在数分钟内便可完全氧化生成CO2和H2O。

Low angle X-ray diffraction results indicate that the thickness of the solvent layer of the lamellar liquid crystal in Triton X-100/ n-C10H21OH/ H2O system is less than 3 nm.

在Triton X-100/n-C10H21OH/H2O体系中，低角X射线衍射测试表明层状液晶的溶剂层厚度小于3nm。

Photocatalytic degradation products of acetaldehyde included acetic acid, carbon dioxide and H 2 O vapor.

气态乙醛光催化降解产物包括乙酸 、 CO2和H2O等.

Ozone depletion caused by NO and H 2 O emissions rom hydrazine-fueled rockets.

联氨燃料火箭的NO和H2O排放物引起的臭氧减少.

By means of the Marquardt algorithm improved by ourselves, the binodal curve and the spinodal curve of phase diagram for PES/ DMAc/ H2O system were obtained.

用本工作改进的Marquardt法，计算求解了PES／DMAc／H2O体系的浊点线和旋节线方程，绘制了三元相图。

This Paper has Studied the observational parameters of 20 extragalactic H 2 O megamaser Sources.

研究了至今为止已发现的20个河外H2O超脉泽源的观测参数.

The phase separation conditions for aqueons two-phase system based on polyethylene glycol ( PEG ) 1500-polyvinyl pyrrolidone ( PVP ) 30,000-Salt-H 2 O were examined.

通过实验选择聚乙二醇(PEG1500 ) 与聚乙烯吡咯烷酮 ( PVP30 000)组合表面活性剂 ( NH4 ) 2 SO4 H2O形成双水相体系及其成相条件.

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。

The radiation transmission equation is numerically solved by high temperature gas high resolution HITEMP database for spectral radiance distributions of CO2 and H2O.

利用高温气体高分辨率光谱参数数据库HITEMP对辐射传输方程进行求解，得到三种情形下尾焰中CO2和H2O的光谱辐射亮度分布。

The effective diffusivity of adsorption refrigeration working pair 13 X-H 2 O was determined by TG in unsteady diffusition.

采用非稳态热重法测定了吸附制冷工质对13X-H2O的有效扩散系数.

The soil, a calcareous sandy loam, pH 8.4 ( H _ 2 O ) was collected from Avon, South Australia.

取样土壤为灰质砂壤土, pH8.4 ( H2O ), 位于南澳大利亚的埃文.

Part 2: Titanium trichloride in EtOH or H2O can be reduced by Al to the corresponding low valent titanium complexes, which can reduce some aromatic aldehydes and ketones to the corresponding pinacols in 35-83% yields under ultrasound irradiation.

第2章：超声辐射下在乙醇或水溶液中，由铝粉-三氯化钛还原体系诱发芳香醛酮还原偶联，片呐醇的收率为35~83%。

The chemical formula for water is H2O.

水的化学分子式是h2o。

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。

The reaction kinetics and gas components as well as the effect of inorganic salts or coal mineral on them in the coal char gasification process with H2O/ CO2 mixture have been investigated by means of the thermobalance and the small scale fixed bed reactor.

用热天平和实验室固定床反应器，研究了煤焦H2O/CO2常压气化的反应动力学，煤气组成及无机盐或矿物质对其的影响。

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。）

Rheological characteristics and kinetics of the sol-gel transition of TiO2 by means of modified Ti ( OBu) 4 through AcAc precursor in different conditions ( such as, pH value, H2O: Ti ratio and temperatures) were studied.

对经过乙酰丙酮改性的钛酸四丁酯为前驱体的TiO2溶胶－凝胶过程进行了不同条件下（pH值、水钛比、温度）的流变特性测量和研究。

The water use efficiency throughout the growing season in 2004 and 2005 were 0.496g CO2/ kg H2O and 0.365g CO2/ kg H2O, respectively, being positively correlated with seasonal precipitation.

2004年和2005年整个生长季的水分利用效率分别为0.496gCO2k/gH2O和0.365gCO2k/gH2O，与降雨量呈现正相关关系。

These new H 2 O masers are associaned with CO molecular outflows [ 2～5 ] AFGL 5142, HH-3, AFGL 5157 , NGC 2023, RNO 73,20126 + 4104, L 1251-A.

这些新H2O脉泽是与CO分子外流源 [ 2-5 ] AFGL5142, HH - 3, AFOL5157, NGC2023,RNO73, 20126+4104, L1251 - A成协的.

Using the improve wet wall tower measure the reaction velocity coefficient of NH_3-CO_3. The thesis shows that the NH3 · H2O in low carbonization absorb CO_2 is one step fast reaction pattern;

本文采用田晴夫等提出的改良型湿壁塔作为测定NH3&CO2反应速率常数的实验装置，进行了碳化氨水溶液对CO2吸收速率的测定。

HCl-H2O solution system is a solution with highest permanent boiling point and it is difficult to get the concentrated hydrochloric acid solution at the top of the tower through simple distillation.

HCl-H2O溶液属于具有最高恒沸点的溶液，通过简单蒸馏，不能在塔顶得到浓缩的盐酸溶液。

Base carbon conversion and specific gasification rate increase with elevating gasification pressure, the order of Cf-H2O gasification reaction is in the range of 0.23~ 0.33;

随着压力提高、煤焦的基碳转化率和比气化反应速率均增加；C f&H2O气化反应级数在0.23～0.33范围内；

H 2 O absorption is predominant in the troposphere, particularly the lower troposphere.

H2O吸收在对流层, 特别在对流层下部起着主要作用.

The green oxidant H2O2 is used in this work with the reductive production of H2O. So there is no baneful materials to release and it can be ascribed to a kind of green progresss.

用绿色氧化剂H2O2进行环己烯的环氧化反应，其还原产物为水，无有毒、无有害物质，不会给环境带来新的污染，为绿色合成过程；

A system composed of the nearly immiscible liquids H 2 O and CCL 4 has two phases.

由几乎不相容的液体H2O和CCL4组成的体系具有二相.