Experiment on the transesterification of jatropha curcas oil with p - toluene sulphonic acid as catalyst was studied.实验研究了麻疯树油在对 甲苯 磺酸催化剂的作用下与甲醇发生转酯化反应生成脂肪酸甲酯(生物柴油)的情况.Isopropyl p - hydroxybenzoate was synthesized with t...
The decay of the meat could have been prevented by proper refrigeration.如果经过适当的冷藏,这些肉本来不至于腐烂掉.Keep all meat products under refrigeration.把所有的肉制品都冷藏起来。This result is of great importance in steam engineering and in refrige...
Method: To determine the withering rate of T lymphocyte by flow cytometer.方法: 运用流式细胞仪测定豚鼠T淋巴细胞凋亡率.Flow cytometry Individual cell can be identified flow cytometer.可用流式细胞仪来鉴定单个细胞.The cell cycle was observed with the flow c...
I had to make some nickel - and - dime repairs on my old Chevy.我那辆雪佛兰老爷车需要不少零零星星的修理.A dime is a tenth of a dollar.一角银币是十分之一美元.In the squares place a penny, nickel, dime and quarter in that order. The object is to reverse...
他的笑脸出现在T恤衫、公告牌和海报上面。His smiling face appears on T-shirts, billboards, and posters.他没地方贴海报了。He has nowhere to stick up his posters.我们一直在做蛋糕，给海报上色。We'd been making cakes and colouring the posters....
Beeswax acts as an emulsifying agent.蜂蜡起到乳化剂的作用。Egg yolk serves as the emulsifying agent in salad dressing.在色拉调味时,蛋黄能作为乳化剂.No colloid, surfactants or emulsifying agents are employed in the process.本法不使用胶 、 表面活化剂或乳化剂....