查询词典 bromine

The present invention generally provides methods for employing a focused particle beam system in the removal of an excess portion from a workpiece having an opaque film patterned on a substrate and more particularly provides methods of gas-assisted etching using an etching gas including bromine and water vapor.

本发明提供一种使用聚焦粒子束系统从其衬底上有不透明薄膜图形的工件中去除多余部分的方法，更具体地提供了使用含溴的刻蚀气体的气体辅助刻蚀方法。

Low levels of the crust, melting point 3180 ℃, boiling point 5627 ℃, the relative density of 2053, the external F electronic structure 5d56s2, reaction time will be lost 1-7 electronic, but also can capture an electron, so oxidation number of 0,± 1, 2 , 3, 4, 5, 6 and 7, rhenium with the halogen in the fluorine, chlorine, bromine reaction halides dissolved in water, can dissolve in nitric acid and ammonia hydrogen peroxide solution, but do not dissolve in hydrochloric acid.

地壳中含量很低，熔点3180℃，沸点5627℃，相对密度2053，外围F 电子结构5d56s2，反应时会丢失1—7个电子，也可捕获一个电子，所以氧化数为0、±1、＋2、＋3、＋4、＋5、＋6和＋7，铼能与卤素中的氟、氯、溴反应生成溶于水的卤化物，能溶于硝酸和含氨过氧化氢等溶液，但不溶于盐酸。

Carries out the macroscopic and microscopic analysis for corrosion of heat-exchange tubes used for lithium bromide absorption chiller,investigates the corrosion substance by scanning electron microscopic and X-ray energy dispersive spectroscopy,analyzes the chemistry composition of tubes,cooling water and lithium bromine solution.

对某制冷机组吸收器的冷却水管出现不同程度的腐蚀穿孔进行宏观和微观形貌分析，对腐蚀孔附近腐蚀产物进行扫描电镜-能谱分析，并对冷却水管化学成分、冷却水质和溴化锂溶液进行分析。

Methods Thallium was oxidized to thallium by bromine water and the thallium was complexed to [TlCl4](superscript -) in 20mL/100mL HCl and absorbed by polyurethane foam. The adsorbed thallium was eluted by a boiling Water bath and determined by platform-GFAAS.

以溴水将水样中的Tl氧化为Tl，在20mL/100mL的盐酸中Tl转化成[TlCl4]并为聚氨酯泡沫吸附，吸附的[TlCl4]经沸水浴洗脱后以平台石墨炉原子吸收法测定。

We fix attention on the anticancer, analgesia an aesthesia and cardiovascular field. Especially in the synthesis field of camptothecin and bromine is keep ahead of domestic market.

致力于抗癌、镇痛麻醉和心脑血管等领域药物的研制与合成，特别在喜树碱类和溴铵类药物的合成方面，处于国内领先地位。

Has now been formed, including scale inhibitors, corrosion inhibitors, bactericidal Algicide, cleaning agents, pre-film, chelating agents, distributed agents from the monomer to a wide range of complex pharmaceutical product system, as well as soda ash, calcium chloride , magnesium chloride, sodium nitrite, bromine and bromide products.

现已形成了包括阻垢剂、缓蚀剂、杀菌灭藻剂、清洗剂、预膜剂、螯合剂、分散剂等从单体到复合药剂门类齐全的产品体系，以及纯碱、氯化钙、氯化镁、亚硝酸钠、溴素及溴化物系列产品。

Shandong Tianxin Chemical Co., Ltd.(formerly the Shandong Shouguang Salt Chemical Plant)– We are a provincial-level high-tech enterprise specialized in the development and manufacture of bromine series products. And we are the professional production and export base of inorganic bromides in China.

山东天信化工有限公司（原山东省寿光市盐业化工厂）：是一专业从事溴系列产品开发生产的省级高新技术生产企业，为国内最大的无机溴化物专业生产出口基地。

Industrial bromine: Use in dyesturr, medicine and for preparing flame-retarders and fire-extinguishing agents, etc.

工业溴：用于染料、医药和制取阻燃剂、灭火剂等。1981年获中华人民共和国国家银质奖。

Compared with the exponent function, the power function can be more suitable for fitting the change of chemicals concentrations in runoff under unsaturated conditions from the loess slope,as well as,the mass loss of potassium and bromine in runoff,but not for initial phase. The study offered a reference for developing the model of soil nutrient in runoff transport of the loess slope.

同时利用两种类型描述径流养分浓度模型对实测资料进行分析，结果显示与指数函数模型相比较，采用幂函数模型能够较好地模拟黄土坡面非饱和条件下径流溶质浓度变化过程，同时幂函数模型也能够较好地描述径流中钾离子和溴离子的质量变化过程，为进一步完善黄土坡面径流养分迁移模拟模型提供了参考。

Polybrominated dibenzodioxins and furans were also formed from combustion of plastic masterials containing flame-retardants like aromatic and aliphatic bromine compounds .

塑料阻燃剂如溴代化合物在燃烧过程可导致溴代二苯并二恶英和溴代二苯并呋喃的生成。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。