查询词典 chemistry

At present chemistry trades the skin to have two kinds: One kind applies the decolorant, like hydrogen peroxide or hydroquinone; Another kind is uses the phenol or the trichloroacetic acid and so on carries on the corrosive cracking-off.

目前化学换肤有两种：一种是应用脱色剂，如过氧化氢或氢醌；另一种则是使用苯酚或三氯醋酸等进行腐蚀性剥脱。

This is a direct use of solar radiation to decompose water hydrogen which called light - chemistry conversion way.

这是一种利用太阳辐射能直接分解水制氢的光-化学转换方式。

Researchers outside China have developed a decomposer based on the theory of mechanical chemistry.

根据机械力化学这一基本理论，国外研制开发出了分解机。

It has a great deal of CO2 degasification points. The supply diversification of the hot springs to water on the Rehai geothermal area causes the major difference in water chemistry here. Some come from diagensis of magma and exogenous water. The isotope ratio of helium is high.

对于温泉水的补给来源：虽然西南地区各温泉水补给主要是大气降水，同时也不排除存在少量的岩浆岩、变质岩的成岩作用水，及火山岩冷却分异的同生作用水。

Software sources, demonstration materials , resources of interest to Chemistry teachers and course designers.

化学相关软件、实证资料、教学资源和课程设计，重点在CAI课程、一定数量合规范的书及教学的启示。

In the middle school chemistry teaching should choose the appropriate demonstration experiment, according to the concrete course content and the teaching goal, the appropriate readjustment carries on the demonstration experiment the order, and the attention beforehand completes the full preparatory work, the guarantee demonstration experiment security, demonstrativeness, the visibility and the creativity.

中学化学教学中应选择合适的演示实验，根据具体的教学内容和教学目的，适当调整进行演示实验的顺序，并注意事先做好充分的准备工作，保证演示实验的安全性、示范性、可见度和创造性。

He has got a job as demonstrator in the chemistry laboratory.

他找到一个工作，在化学实验室当实验助手。

But it is difficult to find a perfect method to control drum boiler's corrosion. Now deoxidization water chemistry for drum boiler has the characteristics of high corrosion speed, high Fe content in feedwater and boiler water, high scaling speed, short chemical cleaning interval and needing poisonous chemical deoxidant, etc.

火力发电站由于大量使用金属材料，并且金属材料的使用环境大都接近其极限使用条件，因而常由腐蚀而引发事故，造成重大损失。

There are deoxidize, plasma, microwave, microorganism and electro-chemistry technology.

主要介绍了近年来国内外在治理废气中有害成分NOx及SOx的方法，其中包括还原法、等离子技术、微波技术、微生物法、电化学法等。

Simulation studies of precipitation of oxides, internal oxidation and its transition to external oxidation, thermodynamics, kinetics and structural development in surface nitridation of steels, and their dependance on materials chemistry or process parameters, have been carried out with the model and the program.

就合金中氧化物沉淀，合金内氧化及其向外氧化的转折，合金钢的表面氮化等过程的热力学、动力学、组织演变以及各种材料与工艺参数对它们的影响进行了计算机模拟试验。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。