The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Methods: The medicine materials is decoction distill and concentrate with liquid.方法: 药材共水煎煮提取、浓缩,制成...
Make a checklist of the tools and materials you will need.把你需要的工具和材料开一张单子。They sell materials for DIY mosaics and ready-made panels.他们出售自己动手做镶嵌画所需材料和现成的镶板。All of their furniture was upholstered in flowery materials.他们所有的...
In photography, the essential light sensitive coating on ph otographic film comprising gelatine and silver salts.在照相技术中, 覆盖在照相底片上的由胶和银盐组成的感光物质.Use a little milk to soak the gelatine powder first.吉利丁先用少许牛奶浸泡开....powdered ...
铁和铝的化合物成为一种体积庞大的蓬松的游渣沉淀下来.Iron and aluminum compounds precipitate as a voluminous sludge.今天铝的用途多得不可胜数.Today, the uses of aluminum are innumerable.这些反映包括进入的配位体对铝的d空轨的电子给予作用.These reactions involve electrondonation from th...
For processing the high tensile metals: carbon stell common alloy stell, hard bronze forgeable castiron. etc.加工高抗张强度的金属: 碳素钢 、 硬青铜和可锻铸铁等.Suitable for cutting metal , such as structural steel refractory steel, castiron, g...
绿色的南美洲水蟒也有相同的捕食工具.For the green anaconda, the hunting tools are the same.欧洲水蟒; 巨蟒; 在某些分类中,被认为是与蟒科相独立的一科.Old World boas: pythons; in some classifications considered a separate family from Boidae....
The council recently drew fire for its intervention in the dispute.委员会最近因为介入该起争端而遭到批评。They agreed to try to settle their dispute by negotiation.他们同意通过谈判来努力解决纠纷。The rift within the organization reflects the growing bitter...