查询词典 zinc sulfate

Then, it was condensed with-valine methyl ester to form a chiral imine, which was reacted with allyl zinc bromide in the presence of CeCl3·7H2O to afford the corresponding chiral homoallylic amine with high optical activity.

-N-Boc-3-苯基-2-氨基丙醛与-缬氨基酸甲酯缩合生成手性亚胺，在七水合三氯化铈（CeC13·7H2O）催化以及底物的手性诱导作用下，该手性亚胺与烯丙基溴化锌经不对称加成反应合成了高光活性的单烯丙基化手性胺。

Organic matter, pH, cation exchange capacity and contents of potassium, sodium, magnesium, copper, zinc, manganese, cobalt, iron, selenium, iodin and fluorin were determined of rock and soil samples from six main geological background areas within the main ruminant production base, in Yunnan Province, China. Results showed: 1 the red earth area of Paleozoic basalt and red earth area of carbonate the highest; the yellow-red earth area of mixture of carbonate, clasolite and basalt follows, except for its content of Co, which is relatively lower; and the purple earth area of Mesozoic clasolite, the yellow-red earth area of clasolite and the dark red earth area of Precambrian metamorphite are the lowest

对云南省反刍动物生产基地所属的6个主要地质背景区的土壤和岩石样品的K、Na、Mg、Cu、Zn、Mn、Co、Fe、Se、I和F元素及土壤的有机质、阳离子交换量和pH进行测定分析，结果表明：晚古生代玄武岩红壤区和碳酸岩盐红壤区土壤各种矿质元素都比较高，有机质含量与CEC都较高，特别是Ⅴ区最为显著；碳酸岩盐、碎屑岩和玄武岩混合型黄红壤区除了Co含量较低外，其他元素含量都居中等或偏上水平，有机质含量与CEC仅次于第1类背景区；碎屑岩紫色土区、变质岩赤红壤区和碎屑岩黄红壤区大多数矿质养分相对都比较低，有机质含量与CEC最低。

Discussion of Pull-Off Adhesion Test for Inorganic Zinc-Rich Coatings

叙述了影响无机硅富锌涂料拉开法附着力测定的关键因素和注意事项。

TruNature Prostate Health Complex Saw Palmetto with Zinc,Lycopene Pumpkin Seed

美国最好的前列腺养护配方保健品！给男士最好的礼物

Moreover, a number of mid-to-small sized lead and zinc smelters at a 12 July meeting in Shanghai, have reportedly agreed to a 10% cut in output over the quarter, to lift metal prices and ease power shortages.

而且，众多中小型铅锌冶炼厂7月12日在上海召开会议，会上这些企业同意在三季度减产10％，以推高价格并缓解电力短缺。

Has a large fertile "black earth"(representing the world's "black belt" of the total area of 40%), hold more than 70 kinds of mineral resources, such as bitumen, anthracite, iron, manganese, chromium, titanium, lead, zinc, aluminum, mercury, nickel, and a certain amount of natural gas and oil, which account for bituminous and anthracite reserves of the former Soviet Union for 60% of the total.

拥有大片肥沃的&黑土带&（占全世界&黑土带&总面积的40%），蕴藏着70余种矿藏资源，如沥青、无烟煤、铁、锰、铬、钛、铅、锌、铝、汞、镍和一定量的天然气和石油，其中沥青和无烟煤均占前苏联总储藏量的60%。

If there is mouth cavity ulcer, can spray the laurel watermelon wood's frost before going to bed in the evening and add some vitamin B, and zinc...etc..

如果有口腔溃疡，可以晚上睡觉前喷桂林西瓜霜，补充点维生素B、锌等。

To deal with copper, iron wood, stainless steel and zinc alloys.

能处理铜材、铁材、不锈钢、锌合金等。

In general, the working pressure of steam is not more than 0.8 Mpa and the temperature of air will be below 150℃. The wing radiator consists of three rows of paratactic screw wing pipe mainly. The paratactic screw wing pipe is made through winding 05*10mm of steel belt onto 18mm steel pipe and then zinc hot galvanized. It can also be made with full stainless steel pipe and belt. Model SRL radiator is made of steel pipe and aluminum belt through rolling. Its radiation area in unit length is more than Model SRZ.

翅片式散热器主要由空气流向间的三排并列螺旋翅片管束组成，SRZ型散热翅片管束的加工工艺是反0.5*10毫米的钢带用机械绕片方法，绕在18毫米无缝钢管上，然后进行热镀锌，也可用不锈钢管及不锈钢带制成全不锈钢散热器，SRL型散热器则是用钢管和铝带轧制的翅片散热器，其单位长度的散热面积比SRZ型的更大。

An hour from Udaipur, another Indian city, the authors spotted well-tended homes with motorcycles in the courtyard and children in starched school uniforms. Sure enough, a zinc factory was operating nearby.

距离印度另一座城市乌代布尔一小时路程乡村，作者驻足看到一户拥有摩托电单车的家庭，一些穿着统一校服的孩子，还有一间附近开办的镀锌工厂。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。