查询词典 reaction rate

The hydrogen-transfer reaction of HC≡CF→C=H was taken as an example to calculate the microcanonical unimolecular rate constants with consideration of the tunneling correction and the curvature correction and the selection of the rotation states.

以氟代乙炔的氢迁移反应为例，计算了隧道效应、曲率因子和转动选态对微正则系综单分子反应速率常数的影响。

On the basis of the former results, Miscibility of unseparated reaction solution with varied resins were investigated by means of co-solvent method and the glossiness of the film method. The miscibility of 344# acrylic resin with the mixture was better than others, when the ratio of the mixture to 344# acrylic resin was one to ten, the miscibility attained best, and the glossiness of the film was 100 percent.The effect of miscibility and molecular weight on delaminating rate were investigated by the co-solvent method.

在聚马来酸醉溶解性能、相容性测定的基础上，通过共溶剂法、溶液涂膜法和溶解度参数法，考察了反应液不分离直接和不同树脂复配的情况。344#短油度醇酸树脂和接枝物的相容性较好，在接枝物：短油度醇酸树脂=1：10时，相容性达到最好，涂膜光泽值达到100%。

GSX—1800 hand dryer is made by imported material and temperature - control elements, aluminium - alloy casing and clingy coating finish,artistic and durable ; camber -line surface is a nice decoration and well-set of waterproof; automatic infrared - ray induction , steady capability , quick reaction and powerful blowing rate shows aptness in public places、hotel、office and family.

GSX—1800 干手器采用进口材料及进口温控零件制造，铝合金外壳和坚固的喷涂保护层，美观、耐用；弧面设计，装饰性强和符合防滴水结构要求；红外线自动感应，性能稳定。起动快，风量大，适用于公共场所、宾馆、写字楼、家庭使用。

The influences of the partical size of witherite, the initial concentration of nitric acid, the stirring speed, the reaction time and temperature on the decomposition rate of witherite are discussed.

分别对毒重石粒度、硝酸初始浓度、搅拌强度、反应时间、反应温度对毒重石分解率的影响进行讨论，并研究了硝酸分解毒重石反应过程机理及宏观动力学。

In the field of visible photosensitive resin, the absorption spectrum, excited state, solvent polarity effect, fluorescence spectrum, fluorescence quenching, concentration effect, photo fading, reaction mechanism as well as photopolymerization kinetics of xanthene iodonium salts and cyanine dye-borate were discussed. It is found that under the radiation of visible light, intra-ion-pair electron transfer reactions occur in bis salt of fluorescein and unsymmetrical trimethine cyanines containing quinoline end group triphenyl-butylboron, and the fading rate is very high.

在可见光敏树脂部分，通过对呫吨染料碘鎓盐和菁染料-硼盐体系的吸收光谱性质、激发态性质、溶剂极性效应、荧光光谱、荧光猝灭、浓度效应、光褪色反应、光聚合动力学等的研究，结果发现：荧光黄双二苯基碘鎓盐体系和含喹啉环端基不对称三甲川菁染料-三苯基丁基硼盐体系在可见光作用下均发生离子对内电子转移反应，且光褪色反应速率很高。

In this study,a simple method for preparation and characterization of three calcium zincate samples of different morphology was developed to improve the high-rate charge/discharge performance of zinc negative. The samples were synthesized,followed by direct reaction method and ball milling method.

为提高锌负极大倍率充放电的性能，先以直接反应法和球磨法合成了四边形、六边形和不规则三种形态的锌酸钙，并用X射线衍射光谱法和扫描电子显微镜法对其进行了表征，然后以恒电流充放电法考察了三者作为负极添加剂时对锌镍电池大倍率充放电性能的影响。

Adding antioxidants MBP, FMH, DBH, DSB3 and DSB6 could reduce the oxidation rate of abietic acid when the reaction temperatures were 35, 40, 45, 50, 55℃The MBP, DBH, and DSB6 had remarkable antioxidative activities at 35℃, and their AO were 109.92, 50.93 and 209.84 respectively.

当反应温度为35，40，45，50，55℃时，5种抗氧剂都表现出不同程度的抗氧化能力，其中MBP，DBH，DSB6抗氧剂的抗氧化能力显著，在35℃下其抗氧化值AO分别是109.92，50.93，209.84。

Methods 280 patients were randomized into four groups. To observe the acate reaction fo brachycherapy and survival rate .

对280例食管癌患者采用随机分为腔内加体外照射4组，观察研究腔内治疗的急性食管反应及生存率。

The transesterification reaction were studied under organic solvents systemThe dosage of diatomite immobilized lipase of Enterobacter aerogenes is 1000 U, ethanol as acyl receptors(alcohol:oil molar ratio is 4:1,2 times add),5 mL n-hexane, 180 r/min,35℃,48 h,and the conversion rate of 92.91%.

有机溶剂体下催化生产生物柴油硅藻土固定化产气肠杆菌脂肪酶用量为1000 U，乙醇为酰基受体(醇：油摩尔比为4：1，2次等量加入)，5 mL正己烷，180 r/min，35℃，反应48 h，转化率达92.91%。

The loading process of trehalose has no effect on apoptosis of platelets. The efficacy of trehalose plus phosphate in suppressing apoptosis of platelets during cryopreservation is superior to that of only trehalose. Compared to 6% DMSO and 2% DMSO plus TS, trehalose plus phosphate can retain the same platelet count, superior hypotonic shock response and platelet aggregatory reaction to ADP, and lower apoptosis rate of platelets. Platelets cryopreserved with trehalose plus phosphate can retain intact ultrastructure.

结论血小板负载海藻糖的过程不会促进血小板的凋亡；海藻糖保存血小板时，联合应用磷酸盐在抑制血小板凋亡方面的效果优于单独应用海藻糖；海藻糖联合磷酸盐冻存血小板的长期效果较稳定，其维持血小板回收率的效果与6%DMSO及2% DMSO联合TS相同，维持血小板低渗休克反应、聚集功能及抑制血小板凋亡的效果优于6%DMSO及2%DMSO联合TS，并能较好地维持血小板的超微结构。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。