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The accrete effects of concrete slab, wood board, iron plate and plastic board were better than other material.

比较不同试验材料的生物附着效果，混凝土板、木板、铁板和塑料板的附着效果较好。

With regard to the second design issue, estimates of unexpected accruals measure the effects of managers, use of accounting discretion with some degree of error.

关于第二个设计问题，估计意想不到的权责发生制措施的影响，管理人员，使用了一些会计自由裁量权程度的错误。

Scientists are accumulating evidence of the effects of heavy metals in the environment .

科学家正在积累有关重金属污染物对环境的影响和危害的证据。

On the other hand, such changes will produce the accumulative effects on the growth of economy.

反过来产业结构的变动又会对经济增长产生累积性的作用。

The results indicated that one of the measures of examinees' linguistic features, the number of meaningful syllables per minute, exerted significant effects on both scoring methods, and that raters focused on fluency of examinee's discourse at the expense of accuracy and complexity during rating.

实验结果表明考生口语产出的话语特征中流利度衡量指标之每分钟有意义音节数对两种不同评分模式都产生显著影响；评分员在两种评分过程中都注重考生话语的流利性，忽视语言准确性和复杂性。

The effects of various reaction conditions were studied by GC analysis. Reaction time has slight effect on the conversion of acenaphthene. The selectivity of N-phenyl aminoacenaphthene increases with reaction time. Biacenaphthenyls or N-phenyl aminoacenaphthene is in the majority, 77.6% or 90.2% when the molar ratio of AlCl3 to acenaphthene is 1.2 and 2.4 respectively.

GC考察了不同反应条件对苊转化率和产物选择性的影响，时间对苊转化率影响不大，N-苯基氨基苊的选择性随着时间增加而增大；随着AlCl3用量的增加，苊转化率和N-苯基氨基苊的选择性随之增加；AlCl3与苊的摩尔比为1.2和2.4时，产物中联苊和N-苯基氨基苊的选择性分别达到77.6%和90.2%。

The effects of mole ratio of reactants,reaction time and catalyst dosage on the yield of n-octylaldehyde 1,2-propylene glycol acetal were examined.

考察了醛醇摩尔比、反应时间、催化剂用量及其重复使用等因素对反应的影响，优化了反应条件。

RESULTSPiperazin1yl 2(1pyridin2ylethoxy) acetamide has effects for ability of memory in mice.

结果］2［1（2吡啶）乙氧基］乙酰取代哌嗪具有促进小鼠记忆力的作用。

ABSTRACT:OBJECTIVETo synthesis the 4substitued piperazin1yl 2(1pyridin2ylethoxy) acetamide and study its effects for ability of memory in mice.

［目的］合成2［1（2吡啶）乙氧基］乙酰4取代哌嗪，探讨其对小鼠记忆力的影响。

Methods Using acetamide as the internal standard,extraction column and extraction conditions of fluoroacetamide from blood and urine samples were optimized by comparing the extraction efficiency of different solid-phase extraction columns and the effects of experimental conditions on recovery.

选择乙酰胺为内标，通过比较不同固相柱的萃取效率和不同条件对回收率的影响，优化用于血和尿样中氟乙酰胺萃取的固相柱和提取条件，利用氟乙酰胺与乙酰胺质谱图的分子离子峰面积之比与氟乙酰胺浓度的定量关系，建立血和尿样中氟乙酰胺鼠药的GC/MS定量分析新方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。