Dosage compensation in female mammals is achieved by inactivating the transcription of one of the x chromosome 雌性动物的剂量补偿效应是通过细胞中一条x染色体的转录失活来实现的。
The touching a stone and turn it into gold , eagerly anticipates the change , the deactivation , he is never the chinese science catalyst 点石成金，引领变化，永不失活，他就是中国科学的催化剂！
However it is susceptible to protease ( s ) and cannot express in a large amount in the sporulation phase of natural occurring strain of b . s 但它在野生型菌株中的表达量低，易被蛋白酶降解失活。
" for their discoveries concerning the humoral transmittors in the nerve terminals and the mechanism for their storage , release and inactivation 发现神经末梢的体液传递物质及其贮藏释放失活机理
Two americans , mario capecchi and oliver smithies , will share the one and one - half million dollar prize with martin evans of britain 他们在研究过程中发现了如何从实验生物中使单一基因失活或敲击它的方法。
Biotechnology - laboratories for research , development and analysis - guidance for handling , inactivating and testing of waste ; german version en 12740 : 1999 生物技术.研究开发和分析用实验室.废料的处理,失活
In the light of its intrinsic instability , its degradation mechanics , stabilize theory and novel stable salts with polyanions are also introduced 针对sam的不稳定性，本文还介绍了sam的失活机理、稳定化理论及其新型稳定性盐。
Deactivation is usually reported in c / month , c / 1000h , or in c per unit of feed processed per unit of catalyst ( e . g . c / ( t feed m ? cat ) 失活通常以/月、 / 1000小时或/单位处理进料单位催化剂(即/吨进料.米3催化剂)报告。
Through some experiments , it is found that there are no metal ion having obvious activation , and the enzyme activity is not inhibited by na _ ( 2 ) s _ ( 2 ) o _ ( 3 ) . but by 0 . 1 % sds 会使酶严重失活。纳豆激酶的活性不受nas 。和edta的干扰。
Objective : to relieve and even eliminate the pain of pulpitis in opalescent teeth with the sterilized eugenol cottonball after the blockade of the pulp devitalizer 目的：减轻或消除乳牙牙髓炎患者封失活剂后产生的剧痛，使治疗能顺利进行。
