查询词典 chemical

In doing the analysis of chemical composition,spectrographic and chemical analysis are used.

本文采用光谱和化学分析方法对秦陵一号铜车马残件及其彩绘涂层的化学组成进行了元素分析和测定。

Standard of national medicines and chemical reagents is a country use medical security for sponsorial body what make effectively appear on the market the requirement of legal quality standard that medicines and chemical reagents must achieve.

国家药品标准是国家为保证人体用药安全有效所制定的上市药品必须达到的法定的质量标准要求。

It is the time to final time limit on one hand already not much , it is on the other hand according to " drug law " regulation , begin to carry out national bureau and provincial bureau by the form of a drug of category of medicines and chemical reagents two class attestation , facing onerous working job and new situation , must sturdy confidence is strong the job , cogent according to " uniform standard , standard is supervised , assure quality , stimulative development " principle , ensure the program goal that achieves GM P of medicines and chemical reagents on schedule , safety of sponsorial civil medicine is effective .

一方面是到最后时限的时间已经不多了，另一方面是按照的规定，开始按药品类别剂型实施国家局和省级局两级认证，面对着繁重的工作任务和新的形势，必须坚定信心扎实工作，切实按照&统一标准，规范监督，保证质量，促进发展&的原则，确保按期实现药品GMP的规划目标，保证人民用药安全有效。

The yield, chemical components and relative contents of essential oil extracted from Eupatorium adenophorum Spreng by Soxhlet extraction and steam distillation were compared. The volatile chemical constituents of essential soil extracted were analyzed by Gas Chromatography-Mass Spetrometry. The results showed that the constituents of the volatile from the same plant and the relative contents were significantly different due to different extraction methods.

采用索氏提取器及水蒸气蒸馏两种方法对采于不同时间、不同产地的紫茎泽兰Eupatorium adenophorum Spreng挥发性成分进行了提取，比较了两种方法的得油率、化学组成及其相对含量；采用GC-MS联用技术对其中的挥发性成分进行了分析。

Our company specializes in operating plating materials: sulfamic acid nickel, nickel sulphate, nickel chloride, nickel carbonate, etc.; environmentally friendly sewage treatment materials: polyacrylamide, polypropylene acid sodium, ferrous sulfate, etc.; washing cleaning materials: OP - 10, TX-10, NP-9, K-12, JFC, sodium carboxymethyl cellulose, etc.; cosmetic raw materials: Triclosan, Resorcinol, stearic acid and so on, basic chemical raw materials: Industrial salt, soda ash industrial ammonium chloride, ammonium chloride agriculture, Sodium Sulfate, Sodium Molybdate, Ammonium Molybdate, as well as chemical products such as UV-absorbers.

本公司专业经营电镀原料：氨基磺酸镍，硫酸镍，氯化镍，碳酸镍等；环保污水处理原料：聚丙烯酰胺，聚丙烯酰钠，硫酸亚铁等；洗涤清洗原料：OP-10，TX-10，NP-9，K-12，JFC，羧甲基纤维素钠等；化妆品原料：三氯生，间苯二酚，硬脂酸等，基础化工原料：工业盐，纯碱，工业氯化铵，农业氯化铵，元明粉，钼酸钠，钼酸铵等以及紫外线吸收剂等化工产品。

Taxus chinensis Rehd and Taxus yunnansis(Taxaceae nom. conserv) arenative to China. Up to now, the chemical investigation of Taxus chinensis is only lim-ited to flavonoids. There is without any report published about the chemical investi-gation of Taxus yunnansis.

本工作研究了二种红豆杉属植物的化学成份，这两个种是采自甘肃小陇山区的中国红豆杉Taxus chinensis(PilgerRehd和采自云南大理苍山的云南红豆杉，它们均系中国的特有种。

Highquality hydrogen for industry uses,dilute nitric acid,refined nitric acid,calcium nitrate tetrahydrate,calcium nitrate dihydrate,corrugated metal structured packing,catalyst for polyethylene,ultrahighmolecular weight polyethylene,15N labelled compounds,purificants of petrochemical industry,highmolecular flame retardants,molecular sieve desiccant,chemical machinery and equipment,separation equipment for chemical industry,testing and monitoring analyzers,detectors and equipment.

工业用优质氢，优质硝酸，硝酸钙，硝酸钙，金属规整波纹填料，聚乙烯催化剂，超高分子量聚乙烯，N15标记化合物，石化净化剂，高分子材料阻燃剂，分子筛干燥剂，化工机械和设备，化工分离设备，化工检测设备。

Some problems relating to chemical characters of transuranium elements, pretreatment of samples,methods of separation and purification,selection of chemical yield tracer,and various measurement technique are discussed.

有关超铀元素的化学特性、样品的前处理、分离和提纯方法、化学产额示踪剂的选择以及各种测量技术等一些问题也进行了讨论。

The colors of barrel plating are :triatomic chromiumblue/white/colorful/black zinc, chromium with a valence of sixblue/white/colorful/black zinc, pure copper, bright nickel, chemical nickel ,black nickel ,bronze, chromium and so on; the colors of the rack plating are : triatomic chromiumblue/white/colorful/black zinc, chromium with a valence of sixblue/white/colorful/black zinc, pure copper, bright nickel, chemical nickel ,black nickel ,bronze, chromium and so on.

随着市场发展需要，公司电镀生产线迁入博罗县石湾镇，投资设立金城五金电镀厂，总面积 9000平方米，专业加工电镀各种螺丝、五金件，设备齐全，实力雄厚，滚镀的颜色有：三价铬兰/白/彩/黑锌、六价铬兰/白/彩/黑锌、红铜、亮镍、化学镍、枪黑镍、青铜、青古铜、铬等不同颜色，挂镀的颜色有：三价铬兰/白/彩/黑锌、六价铬兰/白/彩/黑锌、红铜、亮镍、化学镍、枪黑镍、青铜、青古铜、铬等颜色，镀种齐全，月生产能力可达 800 余吨。

Chemical Co., Ltd. Shenzhen goals established in 2006, is a professional engaged in chemical production and sales of businesses, products have:(1) Industrial Electronics: trichloro ethylene Wuxi.....

深圳目标化工有限公司成立于2006年，是一间专业从事化工生产和销售的企业，产品有：(1)电子工业用：三氯乙稀无锡。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。