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According to the Vegard's law and density functional theory of quantum mechanics, the lattice match conditions of Boron-contained arsenide and antimonide quaternary materials have been deduced, the bandgap properties of such quaternary materials have been theoretically analyzed, and the bandgap bowing parameters of all ternary compounds included have been theoretically calculated.

依据维加德定理和量子力学中的密度泛函理论计算出含硼砷化合物和含硼锑化合物四元系材料与GaAs、Si晶格匹配的条件及其带隙性质，同时计算出上述四元系材料所含三元系材料的能带弯曲参数，进而推导出BInGaAs、BInAlAs、BGaAsSb和BGaPSb四元系材料的发光波长与硼元素并入比例的关系。

By series of in vitro tests, including DPPH radicals and hydroxyl radicals scavenging activity assays, reducing power test, anti-superoxide radicals assay, anti-human low density lipoprotein oxidation test, protections against hydroxyl radical- mediated DNA damages and peroxynitrite medialed dihydrohodamine oxidation, it was showed that TIs exhibited antioxidant and antiradical activities compared with positive controls.

藉由一系列抗氧化DHR123活性试验，如清除DPPH自由基、清除hydroxyl自由基、还原力的测定、清除超氧自由基的测定、抗低密度脂蛋白氧化、抑制peroxynitrite氧化和保护DNA氧化等研究，都显示TIs具有抗氧化活性。

The dislocation density stress relations are derived with the help of the symmetric and antisymmetric parts of stresses.

通过求解应力对称和反对称部分可以得到位错密度-应力的相关关系。

This is an older population map of China, but you can see that the density of people in Chengdu is greater than anyplace else

这是一张旧的中国人口图，但你能看到成都的人口密度比任何地方都高。

This is an older population map of China,but you can see that the density of people in Chengdu is greaterthan anyplace else

这是一张旧的中国人口图，但你能看到成都的人口密度比任何地方都高。

Difference of apeak distribution of dry weight of root in different density treatments. The root shoot ratio was increased gradually during maize growth process, Tendency of root - shoot ratio was displayed slow-fast-slow regular pattern.

根系干重在土壤中的水平分布情况为，不同密度处理根量均呈现以植株中心由内向外逐渐减少的变化。

It is always a challenge of not able to get a good aperture ratio as the resolution density increases.

它始终是一个挑战，无法获得良好的孔径比为第密度增加。

Fungal infection was positively related to temperature and rainfall significantly, but negatively related to aphid density.

结果显示：麦蚜真菌病的发生水平与温度和降雨量成显著的正相关关系，与蚜虫密度成极显著的负相关。

The parameter adaptive law is formed,we adjust the parameters to make sure the density of spruce aphides and their predator track the ideal trajectory,the stability of the system is guaranteed.

建立参数自适应律，调整控制系统参数，使天敌-害虫的种群密度渐进的跟踪理想轨迹，保证了该系统的稳定性。

The apical surface area and density of HRCs were higher in pH 4 than in pH 7 acclimated larvae.

仔鱼驯养在pH 4环境中，HRCs的顶膜开口面积和密度显著大於驯养在pH 7环境下的仔鱼。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了