Recent research by Peg Nopoulos, Jessica Wood and colleagues at the University of Iowa illustrates just how difficult it is to untangle nature and nurture, even at the level of brain structure.
派格·诺普洛斯、杰西卡·伍德以及他们的同事最近在爱荷华大学做了一项研究，结果显示，即使是从大脑结构上来分析，想要理清先天与后天的纠缠也是十分困难的。
To improve the treatment effect of endostain, we used PEG to modify its structure. Because PEG so far is the best and most popular modifier forproteins.
为提高内皮抑素的治疗效果，本研究采用聚乙二醇（PEG）对内皮抑素进行结构修饰。
The influence of decomposing rate and the amount of PEG on structure, morphology and electrochemical properties was studied.
考察了PEG的分解速率和添加量对材料结构、形貌和电化学性能的影响。
The sensitivity of PPg-PEG with different structure to temperature was different, the effect of the changes of higher temperature on the diffusion was more obvious.
不同结构的接枝共聚物对温度的敏感不同，较高温度区间的温度变化对体系迁移扩散的影响更明显。
The results indicated that the addition of PEG has little effect on the molecular structure of PLA filament whose mechanical property has been improved, especially the elongation at break.
结果表明：PEG的加入对PLA纤维分子结构的影响不明显，但却明显改善了PLA纤维的力学性能，特别是断裂伸长率有明显的提高。
When polymer PEG was added, the mesoporous structure of samples including hexagonal order and the pore size changed.
表面活性剂PEG的加入，样品的六方结构有序性和孔尺寸发生变化。
The effects of TMOS/PEG ratios and aging conditions on the pore structure were investigated and the prepared samples were characterized by SEM, BET and hardness tester.
讨论了不同四甲氧基硅烷（TMOS）与聚乙二醇（PEG）配比、老化条件、陈化时间对硅胶柱的影响，并采用SEM、BET、强度测试等手段对其结构进行表征。
The PEG-doped ITO thin films have the porous structure, which can be used as the gas-sensing material.
采用掺杂PEG的ITO薄膜具有多孔结构，该结构能够让ITO薄膜成为一种气敏材料。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
在校验矩阵构造方面，PEG的构造方法在度约束条件下能最大化环长，从而降低误码平层。同时准循环码在结构化方面也有很多优点。
PEG-DE caused the condensed structure of sericin films to change.
PEG - DE引起了膜内的丝胶蛋白结晶形态的变化。
PEG-DE caused the condensed structure of sericin films to change.
PEG - DE引起了膜内的丝胶蛋白结晶形态的变化。
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