小行星带探测任务将造访太阳系形成时期的衍生物
3：A mission to the asteroid belt will visit leftovers from the solar system’s formation
羧甲基纤维素(cmc)系天然纤维素的衍生物。
Carboxymethyl cellulose (CMC) is a derivative of natural cellulose It has been Synthesized from paper pulp.
在纤维素稀酸水解发酵制乙醇的过程中，由于弱酸、呋喃衍生物和苯系化合物对微生物的影响，乙醇的产量和产率都不高。
In hydrolysis of lignocellulosic materials, a lot of compounds which are inhibitory to microorganisms can be formed such as: weak acids, furan derivatives, and phenolic compounds.
目的研究血小板衍生生长因子bb (PDGF - BB)引起的肾小球系膜细胞内游离钙浓度变化及其离子流动机制。
Objective to investigate the intracellular calcium concentration alteration induced by platelet-derived growth factor BB (PDGF-BB) and the mechanism of ion flux in cultured glomerular mesangial cells.
对农垦58S，安农S-1，衡农S- 1等光温敏核不育系及衍生不育系的雄性不育性进行了遗传与育种学研究。
From 1986 to 1996, we have researched on the heredity and breeding in sterility of photoperiod (thermoperiod) sensitive genic male rice (PSGMR) of Nongken58S, Annong S 1 and so on.
对农垦58S，安农S-1，衡农S- 1等光温敏核不育系及衍生不育系的雄性不育性进行了遗传与育种学研究。
From 1986 to 1996, we have researched on the heredity and breeding in sterility of photoperiod (thermoperiod) sensitive genic male rice (PSGMR) of Nongken58S, Annong S 1 and so on.
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