查询词典 O2

By spraying the watery solution of AMP and ASA with different concentrations to the entire carries of chrysanthemum "tangyujinqiu" in the vegetable growing and the green bud stage. Then the changes of the soluble protein, the soluble sugar, the hyperoxide mutase the vigor, the ultra oxygen anion O2(superscript - the production rate, and the third dial the content, the relative conductivity and dry weight/fresh weight was been measured in the entire flowering season.

以不同浓度的氨苄西林+抗坏血酸水溶液对菊花"唐宇金秋"品种在营养生长期和绿蕾期进行全株喷雾处理，测定整个花期花瓣可溶性蛋白、可溶性糖含量、超氧化物歧化酶活力、超氧阴离子O2(上标-产生速率、丙二醛含量、相对电导率及干鲜比的变化。

I first tried using one of the thin gauges from an old ignition point gauge set to push open the latch to disconnect the O2 plug.

我首先试著使用来自开始推开这个闩拆开O2 塞子的一只老的燃烧点计量器的瘦的轨距之一。

The main product was 4-oxo-β-ionone with a yield of 50.2% and a purity over 98.5% under O2 pressure(1MPa) at 75℃ with additive pyridine over catalyst CuL^2 in 10h.

以CuL^2作催化剂，当反应时间为10h、反应温度为75℃、催化剂用量为1.6%、O2气压力为1MPa、添加摩尔分数为30%吡啶时，4-氧代－β-紫罗兰酮的收率为50.2%，纯度超过98.5%。

Within a few exception, oxidation of non-radical atmospheric species by O2 and O3 is negligibly slow

俆几个例外的，被O2 和 O3氧化的非辐射大气物种是可忽视地慢的。

Oxygen Permeability Coefficient (P'O2): The product of the permeance and the thickness of film.

氧气透过系数（P'O2）：氧气透过量与薄膜厚度的乘积。

The method of Pyrogallol Autoxidation System and Fenton System were used to test the effects of BGCP on scavenging O2^-· and ·OH.

用邻苯三酚法测定BGCP对O2^-·清除效果；用Fenton体系法测定BGCP对·OH清除效果。

Using tea polyphenol and Vc as the control, the effect of lotus seed polyphenol on scavenging OH and O2(superscript -) was studied with Fenton reaction and pyrogallol autoxidation methods.

以茶多酚和Vc为对照，采用Fenton反应法研究莲子多酚对羟自由基的清除作用；采用邻苯三酚自氧化法研究莲子多酚对超氧阴离子自由基O2

The method of Pyrogallol Autoxidation System and Fenton System were used to test the effects of BGCP on scavenging O2(superscript -) and OH.

用邻苯三酚法测定BGCP对O2清除效果；用Fenton体系法测定BGCP对OH清除效果。

The scavenging effect of the intermediate of Maillard Reaction on ·OH was studied by using chemiluminescence, and its effect on O2-· was studied by inhibiting pyrogallol auto-oxidation.

摘 要：用化学发光方法研究了以Maillard反应中间体清除·OH的作用，用分光光度法研究了中间体清除邻苯三酚自氧化过程中产生的O2-·的作用。

Theoretical analysis and experimental results indicate that reaction of zinc with selenide as fully as possible under H2-O2 flame at about 1500℃ is the key step in the synthesis process and prolonging holding time at high temperature, which makes the diffuse reaction adequately take place, is favourable to obtain stoichiometry ZnSe polycrystalline.

理论分析和实验研究均表明：前期H2-O2焰下高温灼烧(~1500℃)使Zn和Se充分反应，是合成工艺的关键；延长后期恒温时间（不少于2周），使扩散反应进行完全，有利于获得更接近化学计量比的ZnSe多晶料。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐