查询词典 bromide

Pd could be quantificationally separated from Sb, Zrand Ce by flotation when the concentrations of potassium bromide and tetrabutyl ammonium bromide in solution were 1.5×10^(-2) molL^(-1) and 2.0×10^(-3) molL^(-1), respectively. The method was used for the separation and determination of Pdin the sample of synthetic water with satisfactory results.

当溶液中嗅化钾和四丁基溴化铵的浓度分别为1.5×10^(-2)molL^(-1)和2.0×10^(-3)molL^(-1)时，钯被定量浮选，实现了钯与锑、锆、和铈离子的定量分离，对合成水样中的钯进行定量浮选分离测定，结果满意。

Benzyl bromide was synthesized from potassium bromide ,a by-product from synthesis of 2-hydroxy-4-n-octyloxybenzophenone(UV-531),and benzoic alcohol in the presence of concentrated sulfuric acid.

溴化钾作为工业生产2-羟基-4-正辛氧基二苯甲酮的副产品，在浓硫酸存在的条件下，与苯甲醇进行反应合成苄基溴。

Pd combined with tetrabutyl ammonium bromide and potassium bromide into a ternary ion association precipitate in the aqueous solution. The precipitate was floated well on the surface of water phase to make a distinct boundary layer between liquid and solid phases.

在水溶液中，钯与溴化钾和四丁基溴化铵形成不溶于水的三元离子缔合物，此三元离子缔合物浮于盐水相上层形成界面清晰的液－固两相。

This method is based on the principle that the transition time of the silver bromide will be reduced with increasing the amount of sensitizing dye-silver bromide inert compound.

照相染料与卤化银晶体的相互作用赫相性能有很大的影响，计时电位法可直接反映出染料在卤化银表面的吸附和对卤化银还原过程的影响·实际的照相体系是一个多组份的复杂体系夕给其研究带来一定的困难，1。

To lower coating silver,a study on the preparation of silver chloride and bromide emulsion is carried out, including the ratio of chloride and bromide , the residue of chloride and the solvent of silver halide.

为降低涂布银量，应用计算机双注乳化仪，进行了获得具有较高反差的单分散、立方晶型卤化银乳剂的工艺条件的研究，包括不同卤素比例、卤余量和卤化银溶剂的应用对卤化银颗粒大小和照相性能的影响。

Bromide Photographic light-sensitive paper coated with silver bromide, used in photographic reproduction or phototypesetting, producing a positive image.

用溴化银涂面的光敏性相纸。复制照相或照相排字等阳图制作用。

Bromide: Photographic light-sensitive paper coated with silver bromide, used in photographic reproduction or phototypesetting, producing a positive image.

相纸：用溴化银涂面的光敏性相纸。复制照相或照相排字等阳图制作用。

To investigate the pitting and metastable pitting rules of type 304 stainless steel, potentiodynamic polarization method was employed to study the behavior of metastable pitting and stable pitting on 304 stainless steel in sodium bromide solution and borate/phosphate buffered bromide solutions. The influence of the concentration of Br-、the pH value、the buffer capacity and general environmental factor to pitting potential and metastable pitting was studied as well.

为了更深入地了解304不锈钢的稳态及亚稳态孔蚀规律，本文采用动电位慢扫描法测得了304不锈钢的阳极极化曲线，研究了不锈钢在纯溴化钠溶液及含溴化钠的硼酸盐或磷酸盐缓冲溶液中的亚稳态孔蚀以及稳态孔蚀行为，分析了溴离子浓度、pH值、缓蚀性阴离子、以及缓冲容量和综合环境因子对孔蚀电位以及亚稳态孔蚀特征参数中的形核数目、峰值电流、生长寿命的影响。

OBJECTIVE To establish a new method for determining the levels of benzalkonium bromide and sodium nitrite in benzalkonium bromide solution.

目的 建立苯扎溴铵消毒液中苯扎溴铵和亚硝酸钠含量的测定方法。

It is characterized by that firstly, preparing silver bromiodide flake microcrstalline emulsion, then utilizing silver halide solution to corrode core of silver bromide to prepare the invented hollow silver bromiodide flake microcrystal whose form is triangle or hexagon and whose surface possesses small holes and pits, and the core of the microcrystal is silver bromide and its external layer is silve bromidiode, its iodine content is 1-10 mol%, and the light sensitivity of the emulsion is greatly raised.

首先制备溴碘化银薄片微晶乳剂，再利用卤化银溶剂使溴化银内核腐蚀，制备成的中空溴碘化银薄片微晶呈三角形或六边形，表面上有小孔和凹坑，微晶的内核为溴化银，外层为溴碘化银，其碘含量为1―10mol％；无论从色盲乳剂，还是经光谱增感乳剂的感光度都有大幅度的提高。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。