目的研究人类骨肉瘤细胞血管形成因子的作用及其生物活性。
Objective to partially purify the angiogenesis factor of human osteosarcoma (HuOs) and study its biological features.
结果表明，镘头组下部的硅质层是同生期生物化学作用成因的，形成于潮下低能浅水环境；
The siliceous rocks of the lower Mantou formation were resulted from the biochemical action during the sedimentary period and formed in the environment of low-tide shallow sea.
对生物成因碳酸钙而言，普遍认为其非晶的前驱体相是在生物有机大分子和无机离子共同作用下形成的。
In terms of biogenic calcium carbonate minerals, amorphous precursor phase is generally considered to be formed under the joint regulation of biological macromolecules and inorganic ions.
本文提出了江汉盆地重质油的成因除具有成熟原油遭受水洗氧化作用、生物降解作用或运移中脱沥青作用外，还发现有的确系原生重质油，与膏盐环境偏腐泥型的不成熟生油岩有关。
This paper suggests that the heavy oil is originated not only from water washing oxygenated mature oil, bio-degration or deasphalt process of this oil during immigration, but also from sub-humic ty…
本文提出了江汉盆地重质油的成因除具有成熟原油遭受水洗氧化作用、生物降解作用或运移中脱沥青作用外，还发现有的确系原生重质油，与膏盐环境偏腐泥型的不成熟生油岩有关。
This paper suggests that the heavy oil is originated not only from water washing oxygenated mature oil, bio-degration or deasphalt process of this oil during immigration, but also from sub-humic ty…
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