Objective A new angiogenesis inhibitor HIAF 1 (human inhibitor angiogenesis factor 1) was cloned, expressed in E.

目的克隆和表达一种新的血管形成抑制因子，并研究其抗肿瘤活性。

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The underground dynamic fluid field, i. e. underground fluid potential, is an essential factor to control migration and accumulation of hydrocarbons.

控制烃类运移和聚集的根本因素是地下流体动力场，也就是地下流体势。

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Analyses show that the characteristic factor for oxide integrity E , i. e. the number of elements per defect, can be calculated from oxide capacitor leak current yield curves.

分析表明，从多个子列的氧化层电容漏电合格率的曲线可以求出氧化层完整性的表征因子E 值（每个缺陷包含的单元数）。

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Look for sunglasses with an eye-sun protection factor (E-SPF) between 25 and 50, he said.

WSJ: The Crucial Years for Protecting Your Eye Health

Other e-mails indicate the media's presence was a factor in agency decision-making.

CNN: E-mails show FEMA infighting, frustration

"Thus, E-4 appears as a risk factor for both heart disease and Alzheimer's disease, two major causes of mortality and morbidity at advanced ages, " Francois Schachter and his colleagues at the Center for the Study of Human Polymorphisms, a genetic-research center in Paris, conclude in a report.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live