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单词 DSIF
释义

DSIF

英汉-汉英词典
abbr. Deep Space Instrumentation Facility 深空探测设备
词组 | 习惯用语
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  • sift vt. 筛选;过滤;撒;详查 vi. 筛;撒下;细究;详查
  • dulcify vt. 使柔和;使愉快;弄甜
  • SIDS abbr. 婴儿猝死综合症(sudden infant death syndrome)

网络短语:
DSIF 动应力强度因子(Dynamic Stress Intensity Factor); 强度因子; 诱导因子; 动态应力强度因子;
dynamic stress intensity factor dsif 动应力强度因子
英语百科

DSIF

In gene expression, DSIF (DRB Sensitivity Inducing Factor) is a protein that can either negatively or positively affect transcription by RNA polymerase II (Pol II). In one case of negative regulation, it can interact with negative elongation factor (NELF) to promote the stalling of Pol II at some genes. This stalling is relieved by P-TEFb. In humans, DSIF is composed of hSPT4 and hSPT5 (SPT4 and SPT5 are homologs in yeast).

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更新时间:2025/6/19 19:19:32