查询词典 aluminium hydroxide

According to the strong reducibility of lithium aluminium hydride and asymmetric selectivity of binaphthol,the authors reduce camphor into D-borneol by using D-binaphthol modified lithium aluminium hydride as chiral reagent.

根据氢化铝锂的强还原性和联萘酚的不对称选择性，用右旋联萘酚改性过的氢化铝锂为手性试剂，把樟脑还原成右旋龙脑。

Also new is the CF die-cast aluminium swingarm, which is manufactured using Yamaha's patented CF die-casting technology, a system that has opened up new possibilities in aluminium chassis design.

也就是新的CF压铸铝swingarm ，这是制造过程中利用雅马哈的专利比照压铸技术，制度，开辟了新的可能性，在铝合金底盘的设计。

The aluminium industry has been represented on the QUALICOAT committees from the outset, thus ensuring an exchange of ideas and information between coaters and producers of semi-finished aluminium products.

铝工业一直是代表对qualicoat委员会，从一开始，从而确保了一个交流思想和信息之间coaters和生产者的半成品铝制品。

Aluminium rim profile , bicycle motorcycle rim , windows and dorrs profile , industrial aluminium

类别： 摩托车零件，建筑金属材料，门窗，有色金属的产品，自行车零件

Sweeping spokes provide an eye-pleasing combination of polished aluminium outer surfaces with machined aluminium on visible inner surfaces.

直径20-英寸的车轮，胎纹深厚，轮辐宽大，内外面均为铝制，外面为抛光铝漆面，十分抢眼。

Among it wrap up surface auxiliary that cover,-COOH,-OH, sulphur base S032~ sour hydroxyl carboxyl , etc. group last the not facilitating last aluminium the buoyancy of floatings of the powders, and C-C chain , alkyl phenyl R-C6HU fatty alcohol base fatty acid base R-COO, R-0- long in structure, etc. base group kiss not oily, base these group add , facilitate aluminium powder water build rise of area.

表面包覆的助剂中，羧基-COOH、羟基-OH、磺酸基SO_3~(2-)等集团是亲水性的有助于提高铝粉的漂浮力，而C-C结构长链、烷基苯基R-C_6H_(14)脂肪醇基R-O-、脂肪酸基R-COO~-等基团是亲油性的，这些基团的加入有助于铝粉水盖面积的提高。

Aluminium and aluminium alloys - Scrap - Part 13 : mixed turnings consisting of two or more alloys.

铝和铝合金。废料。第13部分：两种或多种合金组成的混合切屑

Aluminium and aluminium alloys - Scrap - Part 12 : turnings consisting of one single alloy.

铝和铝合金。废料。第12部分：一种合金组成的车床切屑

Aluminium and aluminium alloy are one of the most widely applied five substrates.

铝及其合金是应用最广泛的五大基体之一。

An improvement on the die casting technology of aluminium hub includes drilling hole at the position of die, where the function of die is not affected, for preventing gas from coming into molten aluminium, mounting safety valve to the exhaust opening of die casting case for keeping proper pressure to save electricity and shorten die casting time, and increasing the water-flowing area of cooling disk or ring for higher cooling effect.

一在不影响模具本身功能部位钻孔增加排气通道，解决了压铸过程中产生的气体进入铝水问题。可使铝轮减少气孔。在压铸机箱体排气口部位，安装安全阀，能使压铸机箱体内保持适当的压力，工作时少进气、少排气，起到节电不堵浇口，缩短压铸时间，提高产量。冷却盘、冷却环改进后，增加了过水面积，提高了冷却效果。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48