As I delivered the tray, complete with a nicely frozen snowman, I waited for a reaction. There was none but as I headed down the stairs I heard a whoop of laughter and then, You've won! 我端着早餐上楼,盘面上放着那个冻结实的小雪人,我期待着他的反应什么也没有但就在我下楼时,我听到他放声大笑起来,紧接着,他说道:你赢了!
Static experiment showed that low temperature oxidation was reacted between crude oil and air with higher temperature and better complete reaction. 静态实验表明,原油与空气发生了低温氧化反应,并且,温度越高反应程度越大;
The fission barrier parameters for actinide nuclei were obtained by analysis and calculations of fission cross-sections and complete neutron reaction cross sections. 通过分析和计算锕系核裂变截面和全套中子反应截面获取了一组锕系核的裂变位垒参数.沥清铀矿和铜铀云母比纯铀的放射性强得多。
The results showed that reaction temperature should be low at first, and then increasing temperature to complete reaction. 结果显示:在较低温度下,通过较长的反应时间可以使反应更好地向设计方向进行。
The results show that as preheating temperature is raised, the combustion is transferred from unstable spiral model to stable planar model, materials are easy to be formed, and reaction is more complete but the microstructure of reaction product was gross. 结果表明,随着预热温度的升高,燃烧由不稳定的螺旋燃烧向稳定的平面燃烧过渡,材料易于压实成型且反应充分,但生成的材料组织粗大。
The thermodynamics model is established on the fact that pieces of Ti-Fe alloy and pure Al are added into the Fe-C melt and heated up to 1600 ℃, then frozen to room temperature in the furnace after complete mixing and reaction. 热力学实验模型是在FeC熔液中加入钛铁合金(Ti,Fe)和纯铝块,继续加热到1600℃,熔液经过充分混合、反应后随炉冷却到常温。
Catalysts CuMn_2O_4 have been prepared with different complexing agents by sol-gel technique. The phase, reducing properties and catalytic activities have been investigated by means of XRD, BET, TPR and complete oxidation reaction of xylene. 采用溶胶-凝胶技术,在不同络合剂体系中制备CuMn2O4催化剂,用XRD、BET法、TPR、二甲苯完全氧化等手段研究了催化剂的晶相、还原性能及催化活性。
The results show that the main phase of product after complete reaction is whisker-like Si_3N_4, others are TiN and SiC During the combustion synthesis, TiSi_2 particles melt and enwrap on the surface of SiC particles first. 结果表明完全反应后产物的主相为Si3N4,其余为TiN和SiC。
A complete mathematical model based on the reaction mechanism for the production of polyvinyl acetate was developed. 以工业醋酸乙烯聚合反应生产过程为研究对象,根据聚合反应动力学,建立了完整的醋酸乙烯聚合反应的机理模型。
Through comparison of effects of ethylene glycol and propylene glycol on the time of complete reaction might be shortened greatly with propylene glycol as the reduction agent. 1,2丙二醇与乙二醇相比,还原产物粒径更细,且可明显缩短反应时间;
Theoretical calculation of a complete set of neutron reaction data for natural niobium 天然铌全套中子反应数据的理论计算
Complete the finite element procedure of conversion between epoch curve and reaction curve of earthquake acceleration. 完善地震加速度时程曲线与反应谱曲线之间转换的有限元程序。
Compared with reaction temperature and feeding velocity, initial concentration of nitric acid was the biggest to influence the reaction safety, and the higher the concentration is, the quicker and the more complete the reaction was. 与反应温度、加料速度相比,起始硝酸浓度对反应安全性影响最大,且硝酸浓度越高,反应的速度和反应的完全程度也越高。
This method has the advantages of convenient manipulation, complete reaction, high yield, and less pollution. 此合成方法产率高,操作容易控制,污染小。
The degree of the complete reaction is affected by spray powder size, oxygen-acetylene flame power, spray distance and the composition of spray powder. 喷涂粉末粒度、氧乙炔火焰功率、喷涂距离以及喷涂粉末的原料配比均会影响Ti-C间的反应程度,从而影响Fe-Ti-C体系的反应动力学。
Judgement on complete extent in redox reaction 氧化还原反应完全程度的判别
In this reaction, hydroxylation enzyme of microbe complete the reaction of hydroxylation with oxygen in formation. 在这一反应中,微生物羟基化酶利用分子态氧完成羟基化作用。
In addition, high water content in the feed greatly promoted the complete oxidation reaction of CO and methanol. 原料中过高的水含量会加速一氧化碳和甲醇的完全氧化副反应的发生,造成反应选择性下降。
The complete healing time, healing rates and adverse reaction of wounds healing were observed. 分别观察应用rbFGF后不同时间创面愈合面积的百分比、创面完全愈合时间,以及用药前后的全身情况和不良反应。
As for micro mixing-reaction systems, the reaction efficiency depends on mixing, there is no complete reaction without sufficient mixing, and mixing time becomes a bottleneck for reaction even for the whole system analysis. 对于微系统中的混合反应体系,没有混合就没有反应,混合不完全则反应不能完成,混合时间成为限制反应完成时间以至整个系统分析时间的瓶颈。
With this method the hydrogen can inter into the hydrogenation column for bubbling and mixing so as the catalyst, hydrogen and reaction liquor may contact evenly to complete the reaction process. 这种循环机能使氢气不断通入氢化反应塔中,鼓泡搅拌,使催化剂、氢气和反应液三相均匀接触,完成氢化反应过程。
Suppose that the reactants on enery plate reached complete mixing, the reaction conversion on every plate of the tower was calculated by using the mathematical model for multi-step reactor. 假定酯交换塔中各层塔板上的物料为理想混合状态,引用多级串联反应釜的数学模型,校核了反应器中的塔板转化率,从而得出结论。
Condensed tannin-larch valonia and formaldehyde solution and dimethylamine water solution were used as raw material to complete the Mannich reaction for tannin modification and the production ( cationic tunnin named CAT) was obtained. 以缩合单宁&落叶松栲胶为原料,用甲醛、二甲胺通过曼尼希反应对其中的缩合类单宁进行阳离子化改性,制得阳离子单宁(CAT),优化了反应条件。
The dynamic system has many advantages, such as fast heat dissipation, uniform illumination, complete reaction, and it will be an important trend in the field of UV curing technology in the future. 动态系统具有散热快,光照均匀,反应完全等工艺优势。
The results also showed that the least reaction time of CS/ GA coacervation were 30 minutes to ensure complete reaction. 保证凝聚反应完成的时间是30min。
During the next National Twelfth Five-Year Plan period, planning goals have formulated in most of regions. Local governments have intense demand for funds to complete the goals, which determines the local governments to reaction and development orientation in the future. 十二五期间各地规划目标已经初步成型,地方政府为完成预期目标,具有较为强烈的资金需求。这就决定了各地方政府在今后一段时间的应对思路与发展定位。
PVB molecular chain usually contains hydroxyl groups as a result of a not fully complete acetalization reaction. 由于缩醛化反应不能完全进行,PVB大分子链上含有一定量的羟基。