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The results indicated that BaCe0.8Ho0.2O(subscript 3-α) sinters are of single-phase structures of orthorhombic perovskite. In the temperature range of 600~1000℃, the nonstoichiometric materials (x=1.03 and 0.97) have higher conductivities in wet hydrogen and wet air and better performances of hydrogen-air fuel cells than the stoichiometric one (x=1). In this series, BaCe0.8Ho0.2O(subscript 3-α) has the highest conductivities 2.10×10^(-2Scm^(-1) in wet hydrogen, 3.46×10^(-2) Scm^(-1) in wet air, at 1000℃ and the maximum power output density 122 mWcm^(-2 at 1000℃.

结果表明,在600~1000℃温度范围内、湿润氢气和湿润空气气氛中,该系列材料的电导率随温度和钡离子含量的变化均与以该系列材料为固体电解质的氢-空气燃料电池性能随温度和钡离子含量变化的次序一致,即:非化学计量组成材料BaCe0.8Ho0.2O(下标 3-α)(x=1.03, 0.97)具有较化学计量组成材料BaCe0.8Ho0.2O(下标 3-α)(x=1)高的电导率和氢-空气燃料电池输出功率密度,其中BaCe0.8Ho0.2O(下标 3-α)有最高的电导率(1000℃时、在湿润的氢气气氛中:2.10×10^(-2)Scm^(-1);在湿润的空气气氛中:3.46×l0^(-2)Scm^(-1))和最大的氢-空气燃料电池输出功率密度(1000℃时:122mWcm^(-2))。

The results show that DEHP can migrate into all water food simulants from PVC film and the migration rate was the highest in 65% aqueous ethanol with the range 0.85%~6.31% and a big increasing amplitude when contacting temperature over 30℃, the rate was lower in 20% aqueous ethanol and distilled water with the range 0.19%~0.45% and 0.19%~0.37%, respectively; and the rate was the lowest in 4% aqueous acetic acid with the picked out rate 17% and the value <0.4%.

研究结果表明,PVC膜中DEHP在几种水性溶剂中均有溶出,在65%乙醇中溶出率最大,范围为0.85%~6.31%,当浸泡温度超出30℃后,溶出率增幅较大;在20%乙醇和蒸馏水中的溶出率较小,范围为0.19%~0.45%和0.19%~0.37%;4%乙酸对DEHP的溶出作用最小,70个样品中,检出率为17%,检出溶出率。4%。

The experiment results indicate that higher phase splitting speed and extraction factor can be achieved when low-carbon alcohols such as n-butanol are used as organic solvents; by using five different N-carbobenzyloxy-L-amino acids as chiral ligands that are formated with Cu(superscript 2+) or Ni(superscript 2+), it is found that as a ligand, Z-Phe has a low extraction factor, while Z-Hyp, Z-Pro, Z-Glu, Z-Val have higher extraction factors, and among these, Z-Val has the highest distribution coefficient; pH value of extractant, when near to the PI of phenylalanine, helps to improve extraction resolution effect; temperature has no obvious effect on the resolution result.

结果表明:以低碳醇类正丁醇作有机稀释剂,所用5种N-苄氧羰基氨基酸(分别为Z-Phe、Z-Hyp、Z-Pro、Z-Glu、Z-Val)与Cu(上标 2+)或Ni(上标 2+)形成手性配位体后,以Z-Val作手性配体,萃取相pH值接近苯丙氨酸等电点时,萃取拆分效果最佳。

The nozzle wall of the aerospace engine received the heat flux from the hot gas, is one part of the engine working in high temperature, and its intensity of the infrared radiation of the nozzle is highest at the cruising state.

航空发动机尾喷管壁承受来自高温燃气的热负荷,是发动机的高温部件之一,在巡航状态下其红外辐射强度最高。

The highest room temperature ionic conductivity of 1.4×10-5 S·cm-1 and lithium ion transference number of 0.353 were recorded when the content of ZSM5 was up to 10%.

ZSM5的含量为10%时, CPE同时具有最高离子电导率1.4×10-5 S·cm-1(25 ℃)和最大锂离子迁移数0.353。

Sunflower and Corn Oil have the highest smoking temperature, and are probably the best to use unless you have a particular reason to use anything else.

葵瓜籽油和玉米油有最高的烟温,如果不是有其他特别工艺上的需要的话,它们是最好的油炸油。

Based on the mechanism, It provided with hatchery the optimum storage conditions including the optimum storage temperature, humidity ,egg storage position, storage duration, airtight gas-control environment to keep hatching-eggs quality which make sure highest hatchability and chick-quality being achieved

如何创造最佳的贮存条件是保存种蛋质量的关键,本文揭示了最佳贮存条件的机理与蛋白质量、蛋白pH紧密相关,基于该机理,本文为孵化厂提供了保持种蛋质量的最佳保存条件,包括:最佳贮存温度、湿度、种蛋贮存位置、贮存期以及密闭的气体控制环境,以确保达到最高的孵化率及雏鸡质量。

The high latitude Great Northwest, enables this land planter the paddy rice to have the national highest sunshine rate, one year ripe stem rice, the vegetal period is long, the day and nights temperature was big, causes it to have a grain of circle, the color to be clean, the glossy, the taste fragrant four major characteristics, the protein, the fat content were especially high, extremely rich nutritional value.

高纬度的大西北,使这片土地种植的水稻有全国最高的日照率,一年一熟的梗米,生长期较长,昼夜温度大,使它具备了粒圆、色洁、油润、味香四大特点,蛋白质、脂肪含量尤高,极富营养价值。

Result: The shoe gum that contains toluene and fourth ketone its LC50 lowest, contain ester only kind shoe glue LC50 is highest; The LC50 of female Xiaobai rat is less than male Xiaobai rat; The LC50 when the temperature of shoe glue environment of akin composition is high is low; The symptom that the shoe gum that contains toluene and fourth ketone produces after contamination of small white rat is much, restore time to grow, pathology sees drop of liver lung haemorrhage.

结果:含甲苯与丁酮的鞋胶其LC50最低,只含酯类的鞋胶LC50最高;雌性小白鼠的LC50小于雄性小白鼠;同种成分的鞋胶环境温度高时LC50低;含甲苯与丁酮的鞋胶小白鼠染毒后产生的症状多、恢复时间长,病理可见肝肺出血点。

The results indicate that the basic oxygen slag has the highest carbonation conversion around 68% at a reaction time of one hour, operating pressure of 101.3 kPa and temperature at 60 oC.

结果显示当转炉石在反应时间1小时,温度控制在60 oC,二氧化碳压力控制在101.3 kPa,流量控制在0.1 LPM且粒径小於44μm时,转化率约为68%。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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