species formation

UVB irradiation can induce the formation of reactive oxygen species ( ROS), and induce the change of cell biology, gene mutation, carcinogenesis and cell death.

UVB辐射可诱导机体产生活性氧自由基，从而引起细胞生物学改变，导致基因突变、致癌和细胞死亡。

Produced in China, after of years of natural selection and formation of a natural cat species.

产于中国, 是经过千百年的自然淘汰而形成的自然猫种.

The mountain rain forest can be considered as a formation group, and under this formation group 13 formations ( mixed community) are recognized according to the dominant species.

海南山地雨林，可理解为群系组，其下根据综合特征分类，以优势种命名可划分为婆罗椎栗、吊皮栲、陆均松、尖峰栎、龙楠等13个群系（或混合群落）。

Living things throve in Devonian strata of the nappe, and their species were numerous. APPLICATION OF ROTARY PERCUSSION DRILLING TECHNOLOGY IN REVERSE THRUST NAPPE STRUCTURE FORMATION

旋冲钻井技术在逆掩推覆体地层的应用

A polysulfate species was observed on reacted SiO2 which provides a critical evidence to reevaluate the role mineral dust may play in the formation of sulfate particles in the troposphere.

而且实验中发现SiO2与SO2反应后表面能形成硫酸盐的聚合物，这为重新评估大气颗粒物在对流层的硫酸盐形成过程中所起的作用提供了有力的实验室依据。