1、

In phenylethyl alcohol method-( 4-hydroxyphenylethyl) alcohol was synthesized by esterification, nitrofication, reduction and diazo-tization from-phenylethyl alcohol in 24.0% overall yield.

在苯乙醇合成法中,以苯乙醇为原料通过酯化、硝化、脱酯、还原、重氮化这五步反应合成了β-对羟基苯乙醇,总收率达到24.0%。

互联网

2、

Using sulfamic acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied.

采用苯酚和乙酸酐直接酯化合成乙酸苯酯,用红外光光谱对反应产物进行了分析。

互联网

3、

The character of NMR spectra was an important proof to judge the reactive place.

NMR图谱的特征是判断葛根素反应位点的一个重要标志。

互联网

4、

A kinetic-fluorimetric quenching method for determination of trace Cu(ⅱ) was developed in this paper. The method was based on the catalytic effect of Cu(ⅱ) on oxidation of acridine orange by hydrogen peroxide in a NH_3 · H_2O-NH_4Cl buffer medium.

研究了在NH3·H2O-NH4Cl缓冲介质中,痕量Cu(Ⅱ)对过氧化氢氧化荧光剂吖啶橙而荧光猝灭反应存在明显的催化作用,由此建立了动力学荧光法测定痕量铜的新方法。

互联网

5、

Dust collection of high-temperature purified reaction product of smoke by incinerating refuses

垃圾焚烧烟气高温净化反应产物的收尘技术

互联网

6、

Seismic response of main building structure of refuse incinerating power plant

垃圾焚烧工程主厂房的地震反应分析

互联网

7、

Test Study on Waste Incineration Plant Leachate Treatment Using MBR

膜生化反应器处理垃圾焚烧厂渗沥液的试验研究

互联网

8、

Results show that PPy can inhibit corrosion of stainless steel by passivation and release of dodecylbenzenesulfonate anion. 3.

结果表明,PPy膜通过与不锈钢发生电化学反应,使不锈钢钝化,释放出的十二烷基苯磺酸根离子也能抑制不锈钢的腐蚀。

互联网

9、

In anti-inflammatory effect, rate of erythematous improvement, cure, tolerance and side-effect, there were no significant difference between 2% sodium dodecylbenzenesulfonate group and 2% metronidazole group ( p> 0.05).

2%十二烷基苯磺酸钠乳剂与2%甲硝唑霜剂比较,在抗炎效果、红斑改善率、痊愈率、耐受性、不良反应发生率等方面,经统计学分析,均无显著性差异(p>0.05);

互联网

10、

China already had ambitious plans before today, planning to commission eight or nine new reactors every year.

此前中国也有过雄心勃勃的设想,计划每年投入使用8到9座新反应堆。

互联网

11、

Conclusion Gelatin liquefaction tests performed by charcoal powder gelatin microtube methods can get result rapidly and clearly, and can save reagents.

结论采用炭末明胶微量管进行明胶液化试验反应快,结果明了便于观察,试剂用量少,体积小且能室温长期保存,优于营养明胶法,X线胶片法和常量炭末明胶法。

互联网

12、

The question now, is kayak being overly cautious and perhaps overreacting to the Facebook fallout?

现在的问题是Kayak是不是过于谨慎,对Facebook的失败反应过度了?

互联网

13、

If the self tolerance is broken or blocked by some reasons, autoimmunity and some diseases might occur.

若自身耐受因某些原因遭到破坏或中止时,就可能发生自身免疫反应或自身免疫病。

互联网

14、

Neymar, 26, reacted strongly to an incident in which Mexcio's Miguel Layun seemed to stand on his ankle.

墨西哥队的米格尔-拉云在比赛中不小心踩到了内马尔的脚踝,26岁的内马尔反应十分夸张。

互联网

15、

The effects of hexanolactam as electron donor on graft reaction was investigated.

并探讨了己内酰胺作为电子给体添加剂对接枝反应的影响.

互联网

16、

It could be joyful if the other person responses could be hell on earth if you feel rejected.

这可能是喜悦的,如果对方的反应,如果你觉得被拒绝可能是人间地狱。

互联网

17、

A team from the Global Outbreak Alert and response network including a virologist, logistician, entomologist, geographic information specialist and epidemiologists are expected shortly to assist in controlling the outbreak.

来自全球疫情警报和反应网络的一个小组包括一名病毒学家、后勤专家、昆虫学家、地理信息专家和流行病学家,预期不久将协助控制暴发。

provided by jukuu

18、

Nest, for the tone effect of the isomerism immunity reaction, bring knub hurt TC cell.

NK细胞对肿瘤细胞的杀伤活性,其次为异性免疫反应的增强作用,产生肿瘤伤害性TC细胞。

互联网

19、

The point was that electronic valves could respond in a millionth of a second, there being no moving parts but the electrons themselves, while the electromagnetic relay had to make a physical click.

电子管的反应时间只有0.000001秒,与电磁继电器不同的是,它本身并不发生物理上的移动,而是其中的电子在移动。

互联网

20、

A simultaneous approach based on Radau collocation points is presented to solve the DAEs model of the reactor of a nuclear plant.

采用基于Radau正交配置点的联立法求解核电站的反应堆模型。

互联网

  • 今日热词
  • 热门搜索

简答网英语词典(dict.jiandongshicai.cn)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:(如需回复请填写联系方式)
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈