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H-hour相关的网络例句

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与 H-hour 相关的网络例句 [注:此内容来源于网络,仅供参考]

To further explore the origin of the blue shift for C-H bond not directly participating in H-bond formation, we present a theoretical investigation on the complexes formed by formamide and small molecules such as HF et al.

为了进一步研究不直接参与氢键形成的C-H键蓝移的起因,我们对甲酰胺和HF等小分子形成的氢键复合物进行了理论计算研究。

From the fact that the hydrogens of microbial methane originate in water, it may be deduced that with the reduction of HCO(superscript – subscript 3) a transfer of H atom occurs from the O atom to the C atom within HCO3 anions formed by the disassociation of dissolved CO2 in water, and furthermore, the formyl group forms.

由前人研究结果推断HCO(上标–下标 3)在脱去两个O原子的同时,可能发生了亲核重排,羟基H原子迁移到C原子上,形成了甲酰基HCO(上标-,使甲烷的第一个H原子来源于水。

The author put forth the H function,which is capable of measuring the distributive characteristics of a two dimension discrete point set in a square,and derives its analytical expression theoretically based on geometric probability.

作者以几何概率为理论基础,提出测度正方形区域内2维离散点集分布特征的H函数并推导其解析表达式,运用H函数设计和实现了集聚型2维离散点集结构信息提取的通用算法。

A new universal hybrid topology is brought forward. Two types multilevel inverter: equal DC voltage and DC voltage in geometric proportion is studied, besides this, simulation and experiments on SVPWM applied on cascaded H-bridge inverter is also studied.

提出了多电平逆变器的一种通用组合拓扑结构,针对这种拓扑结构重点,研究了直流侧电压相同及等比变化的两类级联拓扑以及级联H桥逆变器的矢量控制方法;并对级联H桥逆变器的矢量控制方法做了实验研究。

Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.

以异丙醇或THF为溶剂,盐酸或硝酸为催化剂,香叶醇与苯亚磺酸钠回流反应18或28 h得香叶基砜。

Furthermore, it is clear that when carrier signal h=0, closed loop PWM DC-DC converters are not well-posed and when some condition is satisfied, closed loop PWM DC一DC converters with P controller are well-posed.

然后利用该结果对PWM型DC-DC降压变换器的适定性的研究表明当载波信号h=O时闭环PWM DC-DC 变换器总是不适定的,当载波信号h的参数和比例控制器的参数满足一定的条件时,比例控制的闭环PWM DC-DC变换器是适定的。

The experimental result showed that three byproducts was formed and the optimal condition was as follows: the molar ratio of ethylene glycol, hydrogen bromide, and acetic acid was 1:1:1.3, when ethylene glycol was 1 mol, refluxed 5 h under the action of 100 mL toluene.

结果表明:较适宜的合成条件为乙二醇1 mol, n:n:n=1:1:1.3,在带水剂甲苯(100 mL)的作用下,回流反应5 h,约4 h后分两次追加0.12×2 mol醋酸酐,合成效果最好,产率可达到95%,反应副产2-溴乙醇及少量的1, 2-二溴乙烷、乙二醇二乙酸酯和二乙二醇二乙酸酯。

The properties of most acids, especially in water solutions, arise from the hydrogen ion (H+, also referred to as the hydronium ion, H3O+, the form in which H+ is found in a water environment).

大多数酸尤其是在水溶液中的酸,其各种性质都是因存在氢离子(H+,亦可产生水合氢离子H3O+,因此任何水的环境都可发现氢离子)而产生的。

The properties of most acids, especially in water solut ion s, arise from the hydrogen ion (H+, also referred to as the hydronium ion , H3O+, the form in which H+ is found in a water environment).

大多数酸尤其是在水溶液中的酸,其各种性质都是因存在氢离子(H+,亦可产生水合氢离子H3O+,因此任何水的环境都可发现氢离子)而产生的。

The properties of most acids, especially in water solut ions , arise from the hydrogen ion (H+, also referred to as the hydronium ion, H3O+, the form in which H+ is found in a water environment).

大多数酸尤其是在水溶液中的酸,其各种性质都是因存在氢离子(H+,亦可产生水合氢离子H3O+,因此任何水的环境都可发现氢离子)而产生的。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。