查询词典 RH

Contents of salidroside and tyrosol in Rhodiola roots were determined. Salidroside content was 2.147%, the highest in Rh. sacra from Tibet, then in Rh. crenulata and Rh. tibetica from Tibet, 1.763% and 1.271%, respectively; tyrosol content was 0.2985%, the highest in Rh. crenulata from Sichuan, then in Rh. tibetica and Rh. crenulata from Tibet, 0.2143% and 0.1836%, respectively; whereas both contents were very low in Rh. jistigiata and Rh. kirilowii from Sichuan with salidroside contents of only 0.034% and 0.003%, and tyrosol contents of 0.0164% and 0.0048%,respectively.

分别测定了不同产地的红景天属植物中红景天苷和酪醇的含量，西藏产圣地红景天中红景天苷含量最高，达到2.147%，其次为藏产大花红景天和西藏红景天，分别为1.763%和1.271%；四川产大花红景天中酪醇含量最高，为0.2985%，其次是藏产西藏红景天和大花红景天，分别为0.2143%和0.1836%；长鞭红景天和狭叶红景天中2种有效成分的含量均很低，红景天苷含量仅为0.034%和0.003%，酪醇含量则分别为0.0164%和0.0048%。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明，在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中，于90℃下，己烯与三乙氧基硅烷反应的转化率为100%，β加成物的选择性可达89.0%，而用Rh(PPh_3)_3Cl作为反应的催化剂，在纯离子液体BMImPF_6中，就可以高效催化烯烃与三乙氧基氢硅烷的加成反应，过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系，不仅解决了产物与催化剂分离困难这一难题，同时，离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性，特别是β加成物的选择性。

The result showed that the influence of temperature and RH on average price and rate of first class of flue-cured tobacco was similar, which showed a trend of parabola curve with temperature or RH increasing. The maximum value of average price occur at 38.0℃ and 87.0%, the maximum value of the rate of first class occur at 37.6℃ and 86.5%. The result also showed that when the temperature or RH was in the range of 37.5℃ to 38.0℃ or 85.0% to 88.0%, psychrometric difference was 1.5~2.0℃, the average price and rate of first class would exceed 10 yuan per kg and 40% respectively.

结果表明：变黄阶段不同温湿度组合对均价及上等烟率的影响基本相似，温度对二者的影响大于相对湿度；均价及上等烟率随温度或相对湿度的升高而均呈迅速上升→缓慢上升→缓慢下降→迅速下降的变化趋势，均价的峰值分别出现在38.0℃和87.0%，上等烟率的峰值分别出现在37.6℃和86.5%；此外研究结果还得出：当温度恒定在37.5℃~ 38.0℃，相对湿度恒定在85.0%~ 88.0%，干湿球差为1.5℃~ 2.0℃时，均价、上等烟率分别可达到10元/kg和40%以上。

In this paper, the changes of frozen doughs' temperature during freezing-storing and thawing were studied, and the better technology condition of freezing storing and thawing were selected.

研究了冷冻面团在冷冻贮存和解冻过程中面团温度的变化，并选择了冷冻面团面包的最佳冷冻贮存和解冻的工艺条件：面团 30℃、90 %～ 95%rh前发酵 2 0min ，成型后于- 2 0℃冷冻贮存；冷冻面团可在打开包装后，38℃，95%rh解冻 4 0min ，32℃，95%rh醒发 55min ，或用微波炉解冻档解冻 1min再打开包装，32℃，95%rh醒发 95mi

Job as follows shall be finished next week:(1) Get right and left side of upper water wall positioned and reinforced;(2) Finish Pre-store nine downcomers;(3) All the wall are positioned and reinforced, and then install right and left side rigid beam;(4) Finish front wall counterpart welding;(5) Hoisting two rare roofs, Middle-temperature RH, four high temperature RH headers, hoist headers of middle-temperature RH and high-temperature RH, it can't install lifting rod.

下周，锅炉以下工作需要完成：（1）上水左右侧找正完，且加固完；（2）下降管9根预存完；（3）包墙全部找正完，加固完，之后安装左右侧刚性梁；（4）前包墙对口焊接完毕；（5）后顶棚吊装2片、中温再热器、高温再热器集箱4个，吊挂中再和高再集箱时，不能安装吊杆。6）2台汽动前置泵找平找正，并验收；（7）电动给水泵组，耦合器和电泵就位；（8）启动锅炉房内设备找平找正，并验收；（9）3台复用水泵就位；（10）综合水泵房内设备找平找正，并验收。

Zhu's organization has set up mobile blood centers across Beijing to help to collect 16 liters of Rh-negative blood that he wants to have on standby for the Olympics.

朱瑞权的组织在北京各处建立了流动采血中心，帮助采集他希望为奥运会准备的16升Rh阴性血。

Food and Drug Administration grants approval. A short time later, an Rh-negative woman in nearby Teaneck, New Jersey becomes the first RhoGAM Brand recipient.

在一个短的时间内，一个来自新泽西州提内克附近的Rh阴性血液妇女成为第一个RhoGAM牌药物的接受者。

China is making intense preparations to ensure that the Olympics showcase its brightest achievements. Ensuring enough Rh-negative blood is just the latest attempt to avoid mishaps over health and food safety that would tarnish its image during the games.

中国正在紧锣密鼓的作准备，确保奥运会展示中国最耀眼的成就，确保拥有足够的Rh阴性血不过是当局的最新努力，当局要避免在保健和食品安全方面发生事故，这类事故一旦在奥运期间发生将损害中国的形像。

The blood stations rejected some LESs' offer when they indicated their sexual orientation (even some of them have the rare RH-negative blood), on the ground that the homosexual is the high-risk group of AIDS.

有些人表明了自己的同性恋身份后，被血站管理人员拒绝了献血的义举（其中还有人是稀有的RH阴性血），理由是同性恋是易感染艾滋病的高危人群。

D. At 28-30 weeks, an antibody screen is obtained in Rh-negative women, and D immune globulin is administered if negative.

D。孕28-30周时，Rh阴性妇女应行抗体筛查，如果阴性则需要查D免疫蛋白。

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。