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This paper investigates that the different composition of the headspace gas and polluted sediment slurries can affect the ratios of degradation on benzoic acid, toluic acid and phthalic acid isomers. We found that a sediment slurry which has been polluted can develop a stronger microbial degradation.

此篇文章主要是探讨不同上层气体之组成和被污染过之底泥可影响苯甲酸、甲基苯甲酸异构物及苯二酸异构物被分解的速率，我们发现被污染过之底泥可发展出较强之微生物降解力。

The numerical results show that the aspect ratios have significant effect on the transonic fan performance.

计算结果表明，动叶展弦比大小对风扇性能影响显著。

The results of genetic analysis, such as GC content, transition/transversion rate ratios, synonymous substitution rates, indicated that the br fragments with high level of genetic divergence are faced with both purifying selection and bias mutation pressure.

随后的遗传分析，包括GC含量、转换与颠换的比率、同义突变率分析，表明br基因间具有较高的遗传分歧程度，并面临着净化选择和偏倚突变压的双重抑制。

Mono dodecyl phosphate is synthesized using trichloro phosphate and di dodecyl phosphate is synthesized using phosphorous pentoxide. The structures are confirmed by IR and contents are analyzed by GC and HPLC. Mixed esters with different mass ratios of mono and di esters are prepared.

分别以三氯氧磷为磷酸化剂，合成并提纯了正十二烷基磷酸单酯，以五氧化二磷为磷酸化剂，合成并提纯正十二烷基磷酸双酯，其结构通过质谱得到了确证，产品组成采用气相色谱和高效液相色谱得到了确定。

In this paper, the chemical equilibrium constants of the reactions in the reaction system of toluene disproportionation and trimethylbenzene transalkylation reaction system were carefully calculated , and the equilibrium compositions of the components at different temperatures and different feed mole ratios were analysed .

对甲苯歧化与三甲苯烷基转移反应体系中反应的化学平衡常数进行了详细计算，并对不同温度、不同进料组成下的平衡组成进行了分析。结果表明，随温度升高，甲苯与三甲苯的芳烃平衡转化率降低，二甲苯的平衡组成亦降低；降低进料中甲苯和三甲苯的摩尔比，甲苯和三甲苯的总芳烃平衡转化率降低，而二甲苯的平衡组成明显上升。

However, cell counts and inner cell mass to trophectoderm ratios of the embryos exposed to elevated temperature were not different from controls, suggesting that the developmental potential of the embryos which survive to blastocyst stage are not overtly impaired.

然而，处理组牛胚在温度升高过程中，发育到第9天的囊胚数，细胞数及内细胞团与滋养外胚层比率在统计学上与对照组之间没有差异。由此揭示，升高温度对牛囊胚期胚胎的发育没有明显损害。

Differences in Zn/Mn ratios were statistically significant and the Zn/Mn ratio on the surface of unground mancozeb samples was lower than that of ground samples.

测得Zn/Mn比值存在统计学上的显著差异。此外在未经粉碎的代森锰锌样品表面Zn/Mn比值比粉碎后的低。

The effective concentration of added Ni causing 50% inhibition（EC50）ranged from 11 to 932mg·kg-1 in leached soils which were leached using artificial rain water, and from 7 to 2055mg·kg-1 in unleached soils for the tomato test, respectively, and the ratios of maximum to minimum of EC50 for leached soils and unleached soils were 85 and 294. Soil pH was the main factor controlling the toxicity of Ni in these soils.

在供试淋洗（使用模拟的人工雨水滤洗定量的土壤样品）和非淋洗土壤中，Ni对西红柿生物量50%抑制的毒性阈值（EC50）范围分别从11mg·kg-1到932mg·kg-1和从7mg·kg-1到2055mg·kg-1，其最大值和最小值比例分别达到了85和294倍。

In the frequency domain, the transmission ratios of electromagnetic Gaussian pulses are computed and we analyzed the effect on defect mode properties of unmagnetized photonic crystals produced by its periodic constant, parameters of plasma and parameters of the defect layer, such as its dielectric coefficient, length and position.

从频域角度分析得到微分高斯脉冲的透射率，并讨论该光子晶体的缺陷层介电常数、厚度、位置、光子晶体的周期常数和等离子体参数对其缺陷模的影响。

Unstandardized canonical discriminant functions and the discriminant rules are established after the process of discriminant. At the same time, the ratios'proportion is also analyzed from financial point.

然后利用判别分析建立非标准化典则判别函数和判别规则，并对函数中自变量的正负相关性和比重从财务角度进行分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。