查询词典 preparation period

The experiment including the sheet copper and the sulfuric acid and the aqua fortis mixed acid response preparation cupric sulfate and to the test installation improvement, the cupric sulfate solution and the right amount ammonia water response obtained product appraisal, to the cupric sulfate solution and the ammonia water responded the preparation the sulfuric acid four ammonations copper carries on the composition determination.

实验包括铜片与硫酸和浓硝酸的混合酸反应制备硫酸铜及对实验装置的改进，硫酸铜溶液与适量氨水反应所得产物的鉴定，对硫酸铜溶液与氨水反应制备的硫酸四氨合铜进行组成测定。

My factory is located in a long history and beautiful scenery and culture of the ancient city - Yangzhou, factory mainly produces disposable bag preparation, skin preparation knives, masks, hats, oral bags, connecting tubes, scalp folder, drainage bag, oxygen tubes, dressing change package, surgical kits, mats, single, swabs, surgical clothing, etc..

我厂座落于历史悠久、风景秀丽的文化古城--扬州，本厂主要生产一次性备皮包、备皮刀、口罩、帽子、口腔包、连接管、头皮夹、引流袋、输氧管、换药包、手术包、垫单、拭子、手术衣等。

Room temperature ionic liquids are the hot points of the current research fields of chemistry, chemical engineering and functional materials. Since 1998, the preparation and application of ionic liquids as environmentally benign reaction media and functional material have been carried out in Lanzhou Institute of Chemical Physics. The detailed research work, including the design and preparation of novel ionic liquids, ionic liquid as catalyst and reaction medium in sulfuric acid free Beckmann rearrangement,...

离子液体介质与材料研究是当前化学化工、功能材料的热点领域之一。1998年底以来，我们以发展离子液体清洁反应介质和软功能材料为研究内容，以实现新离子液体的设计与合成，离子液体中无硫酸Beckmann重排反应、非光气异氰酸酯合成、二氧化碳吸收与活化、反应-升华分离一体化，微孔硅胶限制纳米尺度离子液体材料的设计合成和应用及离子液体-电化学技术集成等为目标开展了一系列研究工作并取得良好进展。

These behaviors, generally speaking all belong to the credit card cheating crime"s preparation behavior, should according to the certificate situation as well as this kind of preparation behavior itself social hazardous nature whether had achieved should investigate the legal responsibility the degree decided whether is punished."

刑法修正案》将本应作为信用卡诈骗罪预备处理的犯罪行为单独规定为独立的实行行为，从而实现了结果犯立法向行为犯立法的转变。妨害信用卡管理罪的主体是一般主体，凡年满16周岁的具有刑事责任能力的自然人均可为本罪的主体，单位不构成本罪。

The assessment model of cleaner production of coal preparation plant is established and used in course of assessment of practical coal preparation plant.

为保证评价过程的客观性和科学性，将模糊层次分析法应用于清洁生产的定量评价过程中，并提出进行清洁生产定量评价的工作程序，建立了选煤厂清洁生产评价模型。

Moreover, this paper introduces the analysis and design of automation system of the production line at length, including the spot controlling unit, the central controlling unit, hardware and software, communication connecting and electricalcontrol. Also introduces the technique analysis and controlling method design of the raw material preparation, rotating kiln system and coal powder preparation. Describes the system design in detail, such as the main control interface, the system main interface, the system flow diagram, group start and stop, equipments selecting, emergency and fault reset, alarming picture, tendency picture, speed setting, raw material feeding, feeding operation, production reporting table and so on.

接着，论文对该生产线自动控制系统进行了详细地设计分析，包括现场控制部分、中央控制部分、软硬件部分、通讯连接部分和电气控制部分；对生料制备系统、回转窑系统和煤粉制备系统进行了工艺分析和控制方法的设计；并对系统主要控制界面，系统主界面、系统流程图、组起/组停、设备选择、故障复位、故障紧停故障消音、报警画面、阀门操作、趋势画面、转速设定、生料喂料、喂煤操作、原料喂料、生产报表等做了设计介绍。

The invention relates to a gaseous diffusion layer for a polymer electrolyte membrane fuel battery and a preparation method thereof, relating to a gaseous diffusion layer for a fuel battery and a preparation method thereof.

用于聚合物电解质膜燃料电池的气体扩散层及其制备方法，它涉及一种用于燃料电池的气体扩散层及其制备方法。

Effects of the preparation methods of the catalyst, the physical and chemical properties of the alumina support, and the competitive absorbents for catalyst preparation were investigated.

考察了催化剂的制备方法、Al2O3载体物性、催化剂制备时竞争吸附剂对催化剂性能的影响。

It can reduce the cost of preparation amino acid esters if the methods of preparation can be improved especially using the comparatively inexpensive catalyzers.

如能在制备方法上进行改进，尤其是使用价格相对低廉的催化剂，将会进一步降低氨基酸酯的生产成本。

The research and development of the optical fiber preparation collapsar PLC control system has the important significance for realizing PLC control system made in our country early and improving the quality of the optical fiber preparation.

本项目的研究和开发，为尽早实现光纤预制棒熔缩机控制系统国产化，不断提高光纤预制棒的质量具有重要意义。

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。