百为

根据国际协议，气压现在用百帕为单位表示。

271.By international agreement pressure is now expressed in hPa ' s.

动物园将与中国专家一同在熊猫宝宝百天后为其取名。

The zoo will work with experts in China to decide on how to name the twins after 100 days .

国家对酒业的管理十分严格，设立有专门征收税酒的酒局，以村或百户为单位向酒局上缴税酒，国家将税酒还通过商运销售到周边国家与地区。

The State had strict control on winery , as the separate tax body was set up . The State sold the wine to the surrounding states and areas .

在军事前线，之前一盘散沙以皮卡为单位各自为战，在海岸公路上突进与后撤均以百公里为单位的年轻人们已经被组织了起来。

On the military front , the rebels have reined in the young men who had at first been recklessly rushing up and down the coastal road to virtually no effect .

DNA（脱氧核糖核酸）的G+C摩尔百分含量为32.6&33.1。

The DNA base composition is 32.6-33.1 mol % guanine plus cytosine .

且微生物的生长从整体上看受温度和pH值影响较小。得到了微生物降解柴油的最佳条件组合：温度30℃，油的浓度百分含量为1%，pH值7.0。

The optimal condition was explored : cultivated temperature 30 ℃, initial pH value 7.0 and the percentage of diesel concentration 1 % .

WC颗粒在铸渗层内的体积百分含量为30%左右。

The total volume percent of WC was about 30 % in the cast-infiltration layer .

方法用环己烷提取全血中的丙泊酚，以百里酚为内标定量，用HPLC荧光检测器测定丙泊酚含量。

Methods The propofol in blood was extracted with cyclohexane , and thymol was used as the internal standard , determining the concentration of propofol by HPLC fluorescence detector .

杂化薄膜的介电常数εr在低频区时DDS的摩尔百分含量为37.5%和50%的杂化膜的εr小于纯PI薄膜的εr。

In low frequency region , when the DDS molar of the hybrid films were 37.5 % and 50 % , the dielectric constant ε r was less than that of pure PI film .

电极催化剂层Pt的适宜载量为（0.40±0.05）mg/cm2，Nafion的优化质量百分含量为30%。

The fitting Pt loading in the hydrophilic catalyst layer was ( 0.40 ± 0.05 ) mg / cm2 . The optimal content of Nafion in the catalyst layer was 30 % .

以正常组不同文化程度量表得分的5th百分位数为分界值，即刻回忆、长时延迟回忆、回忆总分诊断AD的敏感性分别为81.87%、84.70%、87.13%，特异性分别为94.13%、92.61%、93.53%。

The sensitivity was 81.87 % , 84.70 % , 87.13 % , and the specificity was 94.13 % , 92.61 % , and 93.53 % for immediate recall , long-delayed recall , sum or recall respectively .

当介孔氧化铝的百分含量为4.4%时，以其为载体负载的Pt-Ni催化剂用于CO-PROX反应具有较好的抗H2O和CO2性能。

The sample with 4.4 % amount of mesoporous alumina was used as support to load Pt-Ni catalyst for the CO-PROX reaction .

应用直流非平衡磁控溅射系统在不同实验条件下制备了CNx薄膜材料，其最大氮原子百分含量为37%。

CN X thin films were grown using dc unbalanced magnetron sputtering at different experimental conditions . , The maximum of nitrogen concentration in our CN x films is 37 at % .

用基团贡献法计算222种有机溶质298.15K在水中无限稀偏摩尔体积，平均误差为1.18cm~3/mol，平均百分误差为1.25%。

By using this method , 298.15K dilute partial molar volumes of 222 organic solutes in water were calculated . The average error is 1.18 cm ~ 3 / mol and the average percentage error is 1.25 % .

在碳纸基体和催化剂层之间引入了C/FEP催化剂支撑层，支撑层碳粉的优化载量为0.8mg/cm2，FEP的优化质量百分含量为40%。

The C / FEP catalyst-supporting layer was introduced between the carbon paper substrate and the catalyst layer . The optimal loading of carbon powder and the optimal content of fluorinated ethylene propylene ( FEP ) in the catalyst-supporting layer were 0.8 mg / cm2 and 40 % , respectively .

计算了119个烃类化合物的临界温度，总百分误差为2.29%。

The average absolute error is 2.29 % based on 119 hydrocarbon compounds .

其中第3批药材总皂苷含量最高，其百分含量为8.16%。

The content of total saponins from the third batch was the highest , being 8.16 % .

结果：用抛物线拟合法处理数据，求得了透明质酸的最佳百分含量为（2.44±0.21）%。

Results : The best content ( 2.44 ± 0.21 ) % was obtained by the parabola fitting method .

2011年，华盛顿斥资大约1万8千6百美元来为所有学校的系统更新换代，以此服务于每一位学生。

In 2011 , D.C. spent the most money of any school system per pupil , approximately $ 18600 .

一芽二叶长为3.56cm，其百芽重为17.48g。

" Two leaves and a bud " were 3.56 cm in length with a one-hundred-bud weight of 17.48 g.

在送电、变电和配电的所有环节中所损耗的电量，称为电力网的损耗电量，同一时间内，损耗电量占供电量的百分值称为电力网的线损率。

In a same period , the percentile of the loss of electricity accounts for power supply is called loss rate .

结果表明：中、外优秀田径运动员基础训练投入时间效益百分比较为接近其平均值，约为55.8%；

The result shows that percentage of input of time efficiency of basic training process approach the 55.8 % of equal value .

以龙胆苦苷的吸附量、解吸率和产物中龙胆苦苷的百分含量为考察指标，筛选树脂。

The adsorption capacity , elutive ratio and purity of gentiopicrin in the product were used as indexes to select the best resin .

雄黄中可溶性砷百分含量为0.62%，其中AsⅢ和AsⅤ比例为2.30∶1。

The amount of soluble arsenic in Realgar was 0.62 % , including 0.42 % As ⅲ and 0.18 % As ⅴ respectively .

当抗菌母粒的添加量为4.0%时，即抗菌剂在打孔膜中的质量百分含量为1.0%时，抗菌打孔膜的性价比最佳。

PE perforated film show excellent rate of properties and prices by adding 4.0 % antibacterial masterbatches , with the content of antibacterial agent 1.0 % .

本试验以农药百菌清为研究对象，向供试土壤中通入臭氧，通过改变土壤环境的温度，探讨不同温度条件下臭氧对土壤中百菌清去除效果的影响。

An experiment was conducted to study the effects of different temperature conditions of ozone pumped into the soil samples on the removal efficiency of chlorothalonil .

该催化体系有效抑制了单羰化产物苯乙酸的生成，反应产物几乎百分百为β-苄基-α-苯丙酮酸。

The single carbonylation product phenyl acetic acid ( PAA ) is efficiently inhibited in this novel catalyst system and reaction product is almost all BPPA .

确定了苯胺电解合成的最佳条件：温度为40℃，硫酸的质量百分浓度为50%，电流密度为15A/dm2，媒质的质量百分浓度为3.0%。

The optimum conditions of electrolytic synthesis of aniline are 40 ℃, 50 % sulphuric acid , 15A / dm 2 current density and 3 % catalyst .

从时间分布的讨论中可见，川滇地震滑坡自1870&1976年的百年内为高潮期。

From the temporal distribution it is seen that the time span from 1870 to 1976 would be the hightide of seismic landslide in Sichuan and Yunnan .

饱水材制备的木材/二氧化硅复合材料，二氧化硅存在于细胞壁及细胞腔中，硅的质量百分含量为17.07%。

The percentages of quality silicon in wood-silicon dioxide composite prepared from air-dried , moistening and water saturated wood were 4.11 % , 9.22 % and 17.07 % .