A new process and high effective catalyzer of acephate's synthesis was studied in this paper.本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.Acephate is on sale principally in the form of crystal in national and international ...
The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials.以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖....
他现在正为酗酒付出沉重的代价。He drank too much and is paying dearly for it.他以极大的勇气承认自己酗酒。He showed great courage by admitting that he is an alcoholic.在1985年，他开始表现出酗酒嗜毒的迹象。In 1985, he began to show signs of alcohol and drug dependency....
The color of unilocular adipose tissue varies from white to dark yellow.单房性脂肪组织的颜色从白色到暗黄色不等.White fat is partitioned by septa of loose connective tissue into clusters of adipose cells.白色脂肪被疏松结缔组织隔膜分隔成脂肪细胞群.The fatty acid...
Convection Ovens, Electric Fry Pans , Griddles, Hot Plates , Sandwich Griddles, Trays, Waffle Irons.主要经营烤箱, 电煎锅, 三明治煎锅, 盘子等餐具.Whenever I open my mouth I don't half waffle on.我无论何时开口，从不夸夸其谈。My wife often tells me I w...