需要改进技术，提高风能、太阳能和氢能在能源等式中的可行性。
Technological improvements are needed so that wind, solar and hydrogen can be more feasible parts of the energy equation.
研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
氢怀疑论者不仅指出了与氢制造、运输和存储相关的巨大的投入成本，也指出了可靠得多的替代能源的可能性。
Hydrogen sceptics point out not only the large capital costs associated with the production, transportation and storage of hydrogen, but also the availability of far more viable alternatives.
科学家们有一个从氢和氧中提取能量的爆炸性较小的配方。
Scientists have a less explosive recipe for extracting energy from hydrogen and oxygen.
换句话说，在今天号称氢将成为未来汽车燃料的说法和以往一样没有什么实质性区别。
In other words, claims that hydrogen will be the automotive fuel of the future are as true today as they ever have been.
一些男性或者女性，具有二氢睾酮攻击毛囊的遗传性倾向，特别是攻击头顶的毛囊。
Some men or women, however, have a genetic propensity for DHT to "attack" hair follicles, especially those on the top of the head.
在坎昆的代表们只需让蒙特利尔议定书对管制氢氟碳化合物有进一步的权威性。
The delegates in cancun would need only to ask that the Montreal Protocol take on the further authority to regulate HFCs.
氢更像一个其他原料的临时性储存地而非燃料。
The hydrogen is more of a temporary store of energy from other sources than a fuel.
氚是氢的放射性形式，有时被称作超重氢。
It is a naturally occurring radioactive form of hydrogen, sometimes known as heavy hydrogen.
项目名称：利用兼性自养氢细菌将二氧化碳转化为生物燃料。
Official Name: Bioconversion of Carbon Dioxide to Biofuels by Facultatively Autotrophic Hydrogen bacteria.
氢呼气试验诊断乳糖吸收障碍：呼气样本的数量和时间的重要性。
Hydrogen breath test for diagnosis of lactose malabsorption: the importance of timing and the number of breath samples.
由于氢无腐蚀性，通常不需要特殊的建材。
Since hydrogen is non corrosive, special materials of construction are not usually required.
耐蚀性是影响管道可靠性的重要因素，其中氢致裂纹是管道的失效形式之一。
Corrosion resistance play an important role in the reliability of pipeline steels, and HIC (Hydrogen Induced Cracking) is one of failure forms for pipeline.
结论亚甲基四氢叶酸还原酶基因C677T基因多态性可能是我国大肠癌的遗传易感因素。
Conclusion These findings demonstrated that the genetic variation of MTHFR C677T should be a genetic susceptibility factor for colorectal cancer in a Chinese population.
结论综合考虑，厄贝沙坦片与氢氯噻嗪片联合应用是治疗单纯性收缩期高血压的最佳方案。
CONCLUSION Taking everything into consideration, Irbesartan combined with Hydrochlorothiazide was the best scheme in the treatment of the pure systolic hypertension.
目的观察肾上腺素、谷氨酸和碳酸氢钠对放射性口腔黏膜反应的治疗作用。
Objective To evaluate the effect of adrenaline, glutamic acid and sodium bicarbonate dissolved in the mouth on radiation mucositis.
目的改良血清碳酸氢根测定方法，提高准确性及精密度。
Objective To improve serum hydrocarbonate measuring method and heighten its accuracy and precision.
锌合金镀层可以在适宜的镀液中比较容易的沉积出来，它具有优异的耐蚀性、低氢脆性和化学稳定性，已引起人们的极大关注。
Zinc alloy coatings can be obtained from suitable range of bath, and it has attracted a great attention due to their unique high corrosion resistance, low hydrogen brittleness and chemical stability.
结论局部应用肾上腺素、谷氨酸和碳酸氢钠对放射性口腔黏膜反应有较好的预防和治疗作用。
Conclusion Taking adrenaline, glutamic acid and sodium bicarbonate dissolved in the mouth is an effective method for prevention and treatment of radiation mucositis.
针对法国专家提出的建议，从安全性、可靠性、经济性和适用性等方面论述了岭澳核电站自建制氢站的必要性。
In this paper, the necessity of constructing a hydrogen plant by the station itself is expounded in terms of safety, reliability, economics and applicability.
达克罗涂层由于具有优良的耐蚀性、无氢脆、无污染等特点而得到广泛应用。
Dacromet coatings have been widely adopted for their excellent corrosion resistance, no hydrogen embrittlement and light environmental pollution.
提出了一种在氢氟化过程中同时进行氨还原改善脱硝产品氢氟化反应性的方法，以便生产出高品位的四氟化铀。
It proposes a method which improves reactivity of denitration products in hydrofluorination with ammonia reduction in order to produce high grade uranium tetrafluoride.
目的比较厄贝沙坦与硝苯地平缓释片或氢氯噻嗪片联合治疗单纯性收缩期高血压的经济效果。
OBJECTIVE to compare the cost-effectiveness between Irbesartan combined with Extended Release Nifedipine or Hydrochlorothiazide in the treatment of the Pure Systolic Hypertension.
根据氢气的性质和目前的能源形势及环保政策，简述了氢能研究的必要性和必然性。
Narrated the importance of investigating hydrogen energy briefly based on the character of hydrogen, the policy of environment and the situation of energy for the moment.
用异佛尔酮二异氰酸酯与氨基硅油反应，然后用饱和亚硫酸氢钠封端，合成出具有反应性的聚氨酯改性硅油。
Polyurethane modified amino-silicone oil was synthesized by the reaction of amino-silicone oil and IPDI, and capped with saturated sodium hydrogen sulfite.
对甲烷催化裂解制氢和生产碳纳米纤维两个过程耦合的可能性进行了研究。
The feasibility of simultaneous hydrogen and carbon nanofibers production from the catalytic decomposition of methane was discussed.
同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
摘要：目的：观察硝苯地平联合氢氯噻嗪治疗老年高血压的疗效和安全性。
ABSTRACT: OBJECTIVE: To observe the efficacy and safety of nifedipine combined with hydrochlorothiazide in the treatment of elderly patients with hypertension.
摘要：目的：观察硝苯地平联合氢氯噻嗪治疗老年高血压的疗效和安全性。
ABSTRACT: OBJECTIVE: To observe the efficacy and safety of nifedipine combined with hydrochlorothiazide in the treatment of elderly patients with hypertension.
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