hdo

To overcome these difficulties, in this paper ( 1) A Hierarchical Design Optimization ( HDO) technique is developed.

为了克服这些困难，本文：（1）提出了分层优化设计（Hierarchical Design Optimization，简称HDO）技术。

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HDO divides the integrated optimization of composite wing structures into two sub-problems that are easy to be solved: upper level optimization and lower level optimization.

它将复合材料翼面结构综合优化设计问题分解成两个易于求解的子问题：顶层优化设计和底层优化设计。

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The effects of the temperature and pressure on the mole fraction of HDO in the top segement of the column have been examined for the hydrophobic catalyst.

研究了温度、压力对疏水催化剂氢同位素交换时交换柱上部排出的HDO摩尔量的影响。

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Detection of Borrelia burgdorferi in wild tree shrews by touchdown PCR

Touchdown PCR检测野生中缅树鼩伯氏疏螺旋体感染

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The protecting benzyl group was removed subsequently by catalytic hydrogenation to give poly ( 5-hydroxymethyl-1,4-dioxan-2-one)( PHDON) with pendant hydroxyl groups. The polymers obtained were characterized by FTIR, 1H NMR, 13C NMR and GPC.

通过催化氢化去除苄基保护基得到聚（5-羟甲基-1,4-二氧六环-2-酮）（PHDON），并用FTIR、1H NMR、13c NMR和GPC等方法对聚合物进行了表征。

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Furthermore, the key of HDO technology is developing catalysts with high activity and good stability.

而开发活性高、稳定性好的催化剂成为加氢脱氧精制技术的关键。

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But WatchDog is not absolutely safe, which loses frequently the validity and makes the system paralysis.

但watchdog并非绝对安全, 常常失去有效性,使系统瘫痪.

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