It was found that the interactions between ethene molecules increase with the increasing of molecular concentration, while molecular total self-diffusion coefficient decreases with the concentration.

研究发现随着乙烯分子浓度的增加，被吸附的乙烯分子之间相互作用能随之增加，而乙烯分子的总扩散系数随浓度增加而单调递减。

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High concentration of salt in soil causes ion imbalance, oxidative damage, water deficit and nutrient deficiency, which lead to molecular damage, growth retarded, and even death of plant.

土壤中高浓度的盐分会使离子失衡、氧化伤害、水分亏缺、营养缺乏，并导致生物大分子被破坏、生长迟缓、甚至植株死亡。

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The effects of shearing rate and molecular weight of PAM and the concentration of PAM solution on kinematic viscosity were discussed.

探讨了剪切速率对动力粘度的影响，以及聚丙烯酰胺分子量和溶液浓度对动力粘度的影响。

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