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First we will use sea water for breeding, then we will develop and utilize the moderate brine and saturated brine drained after breeding to extract bromine for raw salt solarization.

项目拟在盐碱滩上引入海水,先用海水进行养殖,然后对养殖后排出的中度卤水、饱和卤水进行开发利用,提取溴素,晒制原盐,再将晒盐后排出的苦卤进行回收加工氯化镁、氢氧化镁等化工产品,最终实现海水"零排放",达到最大限度利用资源,降低生产成本,实现可持续发展。

The conclusion was drawn by the synthesis of molecular sieve: after mixed soluble glass and aluminium sulfate with proper proportion under room temperature, it was stirred stormily to react. And then we mixed with potassium hydroxide solution after filtrating. At last, the molecular sieves of potassium type was synthesized after the mixture reacted in the oven or autoclave for 24 hours. The molecular sieve was remodeled more than twice with ammonium chloride solution that the concentration was 3mol/L and then remodeled twice with the saturated sodium chloride solution. Finally the molecular sieve was changed into the sodium type. It was named W zeolite.

通过对分子筛的合成得到:以泡花碱、硫酸铝为原料,以硅铝比按一定比例于室温下将二者混合,激烈搅拌,抽滤后与氢氧化钾溶液混合放于烘箱或高压釜中高温晶化24小时,晶化后的分子筛为钾型,先后用3mol/L氯化铵溶液和饱和食盐水各对其改型两次以上,最后改为钠型,可制得W型沸石分子筛。

The solution of TiO〓 in t-ZrO〓 is up to 40mol.% for the unsaturation of the surface effect of nanocrystalline powders.

由于纳米粉体表面效应的不饱和性,可使四方氧化锆纳米粉中固溶40mol%的TiO〓。

Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin.

将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性,克服其易于氧化变色的缺点。

It is an ideal replacement for the 614 series electronic voltage stabilizer and magneticsaturating voltage stabilizer, also it can provide a quiet and reliable workingenvironment.

具有稳压精度高、过载能力强,可靠性好、抗干扰能力强、效率高,可长期连续工作,使用寿命长等优点,是取代614系列电子式稳压器和磁饱和稳压器的理想换代产品。它能提供一个安静无声、安全可靠的良好工作环境。

Reaction (1) was examined with different kinds of acetal substrate(1) and vinyl ethyl ether, and the results indicated that the 1, 1,3-triethoxy compounds could be obtained in high yields of 88 and 97% respectively when the R groups of the acetal are phenyl and anisyl, while the yields amounted only to 55-75 % for R=a...

有证据表明这种催化反应也可能是通过正碳离子中间体进行的。本反应的产物1,1,3-三乙氧基化合物经乙酸/乙酸钠溶液水解可得反式α,β-不饱和醛。水解产率:芳香族产物大于90%,脂肪族产物大于75%。

Calcified plaque itself is not considered risky, but it is associated with the development of atherosclerosis, or the presence of less stable, fatty deposits in the blood vessels that can lead to heart attack and stroke.

钙化斑块本身是没有考虑到风险,但它是与发展的动脉粥样硬化,或存在不足稳定,不饱和脂肪酸的存款血管,可导致心脏病发作和中风。

Particular Elements--Tea oil also contains two elements of specific physiological activity,that is ,tea polyphenol and camellin,which are not contained by olive oil.The experiments of the National Medical Center of the United States prove that tea polyphenol and camellin in the tea oil has obvious effects on reducing cholesterol and preventing cancer.

温馨呵护—茶油的不饱和脂肪酸含量达95%以上,居各种植物油之冠,有益预防心脑血管、肥胖等诸多富贵病,且对增强胎儿、婴幼儿智力和记忆力、促进大脑发育、提高智商有重要作用;茶油中还含有生理活性万分角鲨烯,可抗缺氧和抗劳,具有提高人体免疫力及增进胃肠道的功能。

A simple and efficient method for the synthesis of N3-functionalized 3,4-dihydropyrimidinones by aza-Michael addition reactions of 3,4-dihydropyrimidinones toα,β-ethylenic compounds catalyzed by KF/Al_2O_3 is described.

研究结果表明:DHPMs类化合物可与α,β-不饱和羰基化合物发生Michael加成反应,产物只有N3位功能化的DHPMs,而没有N1位的产物。

The uplift of underground structures in liquefiable soil due to earthquake induced liquefaction may lead to severe damage.

位于饱和可液化土中的地下结构在地震激励下会由于土层液化而上浮,从而对结构造成严重破坏,设置截断墙是减少这种破坏的有效措施,在国外已经得到成功应用。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。