强碱

Strong alkaline PS resin is first turned to the form of Cu-CL complex ions, and then free and complex cyanides in effluent could be removed effectively through ion exchanger and co- mplexation, with a result of CN~- content in effluent.5mg/L and Cu~(2+)mg/L, which conform to the requirements of discharge regulations.

将通常的苯乙烯强碱树脂先转变成铜氯络离子形态，利用离子交换和络合反应可有效地去除废水中游离的和络合的氰化物，使处理后的废水中氰离子含量小于O.5mg/L，铜离子含量小于1mg/L，达到了排放要求。

Compounds 3a-3d, 4a-4d, 5a-5d, 6a-6e and 7a-7e were prepared with a new efficient method, in which the aromatic amines were diazotized with isoamyl nitrite in EtONa/EtOH under refluxing condition, and mono -, bis -and tetrakis -substituted calix [4] arenes were obtained respectively as main product by diazo-coupling in different molar ratio to calix [4] arene.

一，提出了一个有效的新方法合成含有芳香偶氮基团的杯[4]芳烃衍生物3a-3d；4a-4d；5a-5d；6a-6e和7a-7e：即在非水溶剂乙醇中用亚硝酸异戊酯，在强碱乙醇钠存在下对芳香胺进行重氮化，得到芳香重氮酸盐沉淀，过滤，然后加入杯[4]芳烃的四氢呋喃溶液，通入CO〓气体调节溶液的pH值为7-9，使其发生偶联反应。

Chintin with chintin film processing is not complicated, first of all the industrial processing of accumulation of crab and shrimp when chintin inmnersion hydrochloride, and a strong base to calcium and protein deposits, you can be assured of semi-finished chintin powder; and then add the acetic acid powder soluble in chintin erjia polyamlnes vlproic bisprone nitrogen and licl mixture, mixed solution evenly onto a glass plate, and lixiviating propylalcohol solution would reflect on the glass panes for the transparent on the film.

用甲壳质加工甲壳薄膜的工艺并不复杂，首先将工业加工蟹虾时积聚的甲壳质用盐酸浸泡，再用强碱使钙和蛋白质沉淀，就可得到半成品的甲壳粉末；然后将甲壳粉末溶于醋酸二甲胺、氮戊环酮和氯化锂混合液中，再将混合溶液均匀地洒在玻璃板上，并在异丙醇溶液中浸一下，玻璃板上便形成了透明的甲壳薄膜。

Our company mainly styrene, acrylic acid series, acid, base, weak acid, weak base, catalysis, chelation, inert ion exchange resin, the key products used in softened water, desalination water exchange resins; Condensate Polishing resin; food fermentation industry, bleaching, adsorption resin, petroleum, chemical, medical, chelate resin series resin and catalyst as well as supporting a series of packing and other water brands, there are four series, more than 20 varieties of ion exchange resin.

我公司主要有苯乙烯系、丙烯酸系列，强酸、强碱、弱酸、弱碱、催化、螯合、惰性离子交换树脂，目前主要产品应用于软化水、除盐水处理交换树脂；凝结水精处理树脂；食品、发酵行业脱色、吸附专用树脂、石油、化工、医学、鳌合系列树脂和催化剂专用树脂以及配套水处理的系列填料等多种牌号，目前有四大系列、二十余个品种离子交换树脂产品。

Shanghai exchange resin resin plant special enterprises in China are domestic professional research and development, application, management services, OEM resin enterprise as a whole.major enterprises in China have Styrene, acrylic acid series, strong acid, strong base, weak acid, weak base, chelating , inert ion exchange resins, special enterprises in China for many years with several well-known enterprises to explore the application of ion exchange resins, the key products used in softened water, desalination water treatment-exchange resins; condensate treatment resin; food, fermentation industry Decoloration, dedicated Absorption resin, petroleum, chemical, medical, chelate resin and catalyst series dedicated resin as well as ancillary treatment, such as a series of packing products, such as a variety of grades.

上海汇脂树脂厂特华企业是国内专业研究开发、应用、管理服务、OEM为一体树脂企业。特华企业主要有苯乙烯系、丙烯酸系列，强酸、强碱、弱酸、弱碱、螯合、惰性离子交换树脂，特华企业多年来与多家著名企业探讨离子交换树脂应用，目前主要产品应用于软化水、除盐水处理交换树脂；凝结水精处理树脂；食品、发酵行业脱色、吸附专用树脂、石油、化工、医学、鳌合系列树脂和催化剂专用树脂以及配套水处理的系列填料等多种牌号等系列产品。

Thus the more accurate results can be obtained after calibration of the ion activity coefficient.

文中还解释了强碱的&空白&值是由于未进行活度校正引起的，而且经活度系数校正以后可获得更为准确的结果。

Serious corrosion and destroy by the alkalescent waste water from ammonia soda producing process occurred on water treatment buildings in Jiaozuo Xin'an Chemical Factory.

纯碱工艺中碱性废液对混凝土结构水处理构筑物产生较严重的腐蚀和破坏。在其腐蚀破坏过程中，溶解性化学腐蚀、膨胀性结晶化学破坏和强碱腐蚀作用等几种腐蚀同时存在，并相互影响，起作用的影响因子有镁离子、氯离子、硫酸根离子和废液的强碱性等

Chiral SalanCrX complexesa saturated version of SalenCr(ⅢX are designed,and in conjunction with an ionic quaternary ammonium salt or organic strong base can efficiently catalyze the asymmetric,regio-and stereoselective alternating copolymerization of CO_2 with rac-PO at mild conditions to afford isotactic-enriched polycarbonates with～95%head-to-tail linkages and moderate enantioselectivity.

本论文在Salen构型配体的基础上，设计合成了一系列手性Salan型铬配合物，并将其与季铵盐/有机强碱组成亲电-亲核双组分催化体系，在室温下可以有效的催化CO_2和环氧丙烷的不对称交替共聚反应，实现了CO_2和环氧丙烷的不对称交替共聚反应的区域和立体化学控制，得到95%的头尾连接单元和中等光学纯度(对映体过量值ee%≈70%)的全同结构的聚碳酸酯。

Diaphragm Valves from the corrosion resistance of the diaphragm and the lining of the body composition of corrosion-resistant material suitable for acid, alkali, strong corrosive Regulators fluid cut-off control or throttling control.

隔膜阀由耐腐蚀的隔膜和内衬耐腐蚀材质的阀体组成，适用于强酸、强碱、强腐蚀性流体的切断控制或节流控制。

Compared with the MgO prepared by direct thermal decomposition of the MgO precursor, the novel high-specific-surface-area MgO material contains more strong basic sites and less acidic sites and exhibited higher acetone yield and selectivity in isopropanol decomposition, making it a potential solid base catalyst.

与直接焙烧四水乙酸镁制得的MgO相比，这类新型高比表面积MgO具有较多的强碱位和较少的酸性位，并在异丙醇催化分解反应中表现出更高的丙酮收率和选择性，有望成为一类优良的固体碱催化剂。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。