从中提取的松香和鞣酸是化学工业上很需要的.The risin and tannin that can be extracted from it are sought by the chemical industry.从3点钟以后,它们就燃烧着松香.From three o'clock onward they would be burning resin.在实验室内用一 步法 合成了松香改性壬基酚醛树脂.Rosin modifi...
已经分化的组织分泌物称为抑素.Substances differentiated tissues secrete are called chalone.目的:在酿酒酵母中表达和分泌人血管抑素.To express and secrete human angiostatin in S . cerevisiae.目的 观察生长抑素十四肽 ( 施他宁 ) 对食管静脉曲张破裂出血的治疗效果.Aims : To evaluate the effe...
Cash income is calculated by subtracting total trading income from total receipts.现金收入是从总收入中减去总贸易收入来计算的.Making Boolean calculating to a component, at first execute union, then subtracting.对组合体执行布尔运算时, 先加后减.Subtracting cu...
This provision gives the president total and unchecked power.这条规定赋予了总统绝对及不受约束的权力。It is an express provision.那是一项明文条款.The bill's provision for the sale and purchase of land faces stiff opposition from conservatives.该...
或许是因为那辆汽车跟得太紧,他才加速的。Perhaps the fact that the car was tailgating him made him accelerate.加速的通货膨胀引起人们强烈关注。The accelerating inflation was cause for great concern.用加速的氘核来打击靶将不起作用.Accelerated beams of deuterons bombarding a ...
Dibenzofuran ( DF ) is one of the model compounds for the study of biodegradation of dioxin - like pollutants.二苯并呋喃 ( DF ) 是研究二英类化合物生物降解的模式化合物之一.The iron ore sintering process is one of dioxin pollution sources.铁矿石烧结过程是二...