Articles of synthetic plastics materials are made by forming thin flexible shells of the material against formers, coating these shells on the surface which was not adjacent the former and pressing the coated surfaces together to form the article. Several shells may be pressed together and filling...
Articles of synthetic plastics materials are made by forming thin flexible shells of the material against formers, coating these shells on the surface which was not adjacent the former and pressing the coated surfaces together to form the article. Several shells may be pressed together and filling...
【题文】Clothing made from synthetic materials(合成材料) has many advantages. It is cheap to produce, lasts for a long time, and is comfortable to wear. However, such cloth made from petrol has one major downside. The lint(绒毛) that falls off the cloth during each washing cycle is a ...
This willhelp keep the materials from slipping into the environment. This is just the beginning of what thosechoices are doing to our planet and the future.Then what can be done about it?Think animals in the sea polluted by plastic.However, it's one of the hardest hit by pollution.It ...
Synthetic materialsare made of polymer chains, which offer the benefit of an off-the-shelf availability when they are needed. For a synthetic material to be accepted for clinical use, it has to be incorporated without extensive host tissue reaction, which implies a favourable interaction between ...
Synthetic biology applies genetic tools to engineer living cells and organisms analogous to the programming of machines. In materials synthetic biology, engineering principles from synthetic biology and materials science are integrated to redesign living
This Invention relates to synthetic materials such as safeets, flms, foils, coatings and the like having a basis: of cellulose acetate or other organic derivative of cellulose, to compositions suitable for the production of such materials, to 6 articles embodying such materials and to cellulose....
Modern perfumers have an almost unlimited number of raw materials available to create fragrances. These raw materials are traditionally grouped into three classes: natural essential oils, synthetic chemicals and semi-synthetic chemicals derived by chemical processing from natural products. Another class of...
Boots made fromsyntheticmaterials can usually be washed in a machine. 合成材料制成的靴子通常可以机洗。 柯林斯高阶英语词典 ...syntheticrubber. 合成橡胶 柯林斯高阶英语词典 We must make them partners insyntheticcharacter creation. 我们必须让他们成为创造合成角色的搭档. ...