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Two types of three-arm or four-arm star-shaped D,L-PLGA50 copolymer withnarrow molecular weight distribution were synthesized from the polymerization of MGwith multifunctional initiator pentaerythritol or trimethylolpropane and〓 catalyst.

以多元醇(季戊四醇或2，2-羟甲基丁醇)为引发剂、〓为催化剂，研究了MG单体的聚合行为。

A light attenuation model was established based on the batch cultivations of the transgenic Synechococcus sp. PCC7942 in the 1. 5 L air-lift PBR, and the effects of light distribution in the PBR on algal cell growth and thymosin α1 expression were extensively studied.

建立了转基因聚球藻7942培养过程的光传递模型，并就光传递对藻细胞生长和Tα1表达的影响进行了深入的分析。

The experiment analyzed the vertical distribution pattern of canopy leaf nitrogen and leaf chlorophyll relative value, differences in different layer-leaves for different nitrogen levels in summermaize Zeamays L.

拔节期、灌浆期和成熟期3个生育期冠层叶片氮素、叶绿素相对值的垂直分布规律及其差异；同时对各层叶片含氮量、SPAD值与施氮量进行相关分析。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。