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Below condition of such high temperature high pressure, the atom of sun material already ionization, formed " plasma ", and produce severe thermonuclear reaction, this is the origin of solar energy.

在这样的高温高压条件下,太阳物质的原子早已离子化了,形成了"等离子体",并且发生剧烈的热核反应,这就是太阳能的起源。

The mechanism of dioxygen oxidation of 4-nitrotoluene-2-sulfonic acid to 4,4'-dinitrostilbene-2,2'-disulfonic acid in alkali solution under mild condition was investigated.

探讨了在温和条件下在碱的水溶液中氧气液相氧化 4-硝基甲苯- 2 -磺酸制取 4,4'-二硝基二苯乙烯- 2 ,2 '-二磺酸的反应机理,发现 4-硝基甲苯- 2 -磺酸在碱作用下发生离子化生成 4-硝基- 2 -磺酸基苄基阴离子,然后被活化的分子氧氧化成 4-硝基- 2 -磺酸基苄基自由基是反应的关键步骤。

Conclusion] The change of pH value of solution had effect on degree of ionization of fumaric acid,and then affected the adsorption quantity of basic resin on fumaric acid.

结论]溶液pH值的变化影响富马酸的离子化程度,进而影响碱性树脂对富马酸的吸附量。

The amide intermediate reacted preferably with amines in DMF solvent in the absence of catalysts to give the high yields of derivatives, which not only have high fluorescence sensitivity but also have strong ionizable ability.

IEBA在DMF溶剂中与胺类化合物形成的酰胺类衍生物不仅可发出强烈的荧光,还具有较高的质谱离子化能力。

The dependence of the relative intensity of cationic molecule and fragmentation ion of an acetylated melezitose on the concentration of Na + or Li + in the matrix was studied by using fast atom bombardment source .

利用快原子轰击源研究了乙酰化松三糖的阳离子化分子和碎片离子的相对强度随底物中Na+或Li+浓度变化的趋势。

Their innovation, reported this week in Science, is based on desorption electrospray ionisation, an analytical technique which can be deployed in the field.

本周的《科学》杂志报道了他们的这一基于解吸附电喷雾离子化(desorption electrospray ionisation)的新检测方式。

A nanoelectrospray interface was set up for hyphenating with orthogonal injection time-of-flight mass spectrometer.

研制了纳喷雾离子化技术与正交飞行时间质谱的联用接口,在电场力的作用下,样品流速约为30nL/min,40nmol/L细胞色素c溶液的单张图谱样品消耗量为0。

High performance liquid chromatography, carbon-13 nuclea magnetic resonance, chemical ionization mass spectrometry and gas chromatography with flame ionization detection have been employed for the identification and quantitative deter mlnation of the epimers of amygdalin.

登录后回答可以获得经验值奖励,并可以查看和管理所有的回答。登录|高效液相色谱法、carbon-13 nuclea 磁场共振电离质谱、化学品与气相层析法,以氢火焰离子化检测被用来识别和定量的威慑 mlnation差向异构体的苦的。

The carrier gas is nitrogen, headspace plate temperature is 70℃.

方法使用配置顶空进样的气相色谱仪,以水为溶剂,色谱柱为 Agilent DB-624毛细管色谱柱(6%氰丙基苯基-94%二甲基聚硅氧烷),柱温:40℃,保持 12min ,以30℃· min-1 的速度升温至100℃,保持 5min ,再以40℃· min-1 的速度升温至240℃,保持 5min ;以氮气为载气,柱流速0.7mL · min-1 ;氢火焰离子化检测器;顶空加热盘温度70℃。

Ionized modified SPAM has better effect on treating different kinds of wastewater than nonionic SPAM.

对SPAM进一步改性得到的离子化产物具有更强大的功能,对某些特定废水的絮凝效果较好。

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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.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力