direct reaction的例句大全

Developments in the direct dehydroaromatization of methane are reviewed including the thermodynamics, catalysts and reaction mechanism.

综述了国内外在甲烷直接脱氢芳构化热力学 、 催化剂和反应机理方面的最新近展.

The results show that the reaction rate is in direct proportion to one power of monomer concentration and a half power of initiator concentration;

实验结果表明，在聚合反应初期，聚合反应速率与引发剂的浓度呈半级反应，与单体浓度呈一级反应；

Direct DNA Sequencing of Polymerase Chain Reaction Products With Taq DNA Polymerase

利用taq DNA聚合酶对PCR产物直接进行顺序分析

Direct action goal takes direct appeal to stimulate target audience for immediate reaction.

前者采直接诉求，旨在激起诉求对象立即性的反应；

This paper introduces the method of direct aromatization reaction of methane and the experimental results achieved at present.

综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。

Effects of TFA on Amino Acids Catalyzed Asymmetric Direct Aldol Reaction

三氟乙酸对氨基酸催化不对称直接Aldol反应的影响

The application of 176 to the catalytic direct aldol reaction is underway.

双环哌啶化合物176催化直接羟醛缩合反应的活性研究还在进行之中。

The optimal conditions of direct precipitation processes, coupling route of hydrolyzation of metal alcoholate with homogeneous precipitation and solid state reaction method were obtained by orthonormal experiments.

通过正交实验确定了直接沉淀法、金属醇盐水解和均匀沉淀耦合法和固相法的较佳工艺条件。

It is shown that the direct electron transfer of the enzyme HRP on the solid electrodes can be carried out and the electrode reaction is the oxidation-state transformation of the central metal ion in prosthetic group heme rather than the reduction of disulfide group in HRP molecule.

指出HRP可在固体电极上进行直接电子传递，该电极反应不是酶中二硫键的还原，而是血红素辅基中心金属离子的氧化态转变。

a study on direct synthesis of acetic acid from cbm and co_2 by two-step reaction sequence in the way of "short contact" and in the presence of water

短接触和水蒸气存在下的煤层CH4和CO2两步反应直接合成乙酸的研究

A preliminary experiment is conducted with ( direct)-film method under the condition that fast neutron with energies lower than 7 MeV is generated by the reaction of~ 9Be ( d, n) on the Peking University 4.5 MV Van de Graaff.

利用9Be（d，n）反应在北京大学4.5MV静电加速器上产生低于7MeV能区的快中子，采用胶片成像法进行了快中子照相的初步实验。

This study used polymerase chain reaction and direct sequencing method to infer the taxonomic relationship between Golden Pheasant ( Chrysolophus pictus) and Lady Amherst's Pheasant ( C.amherstiae). A total of 468 nucleotides of the mitochondrial DNA control-region gene were sequenced.

用聚合链式反应（PCR）和直接测序的方法测定红腹锦鸡（Chrysolophus pictus）和白腹锦鸡（C.amherstiae）各5个样本线粒体DNA控制区的468bp的序列，共发现26个变异位点。

Then Enzyme Reaction Kinetic Model was used to simulate the relationships between the developmental rate of Thrips palmi and temperature and the direct optimum method was used to estimate the thresholds of development and thermal constants in different development stages of Thrips palmi.

用Schoolfield的酶促反应动力学模型拟合了棕榈蓟马发育与温度的关系。用直接最优法估算了棕榈蓟马不同发育阶段的温度阈值和所需热量。

Analyses the formation and essence of iron loss on electrical machine, discusses the demagnetization principle of armature reaction of direct current machine, specifies the implication of parallel operation of synchronization generator by quasi-synchronous method, thereby understands relative concepts deeply.

分析了电机中铁心损耗的形成机理及其本质，讨论了直流电机电枢反应的去磁机理，明确了同步发电机准同期并列的含义，从而深刻理解有关基本概念。

Environmental effects of carbonation, chloride ion penetration, mainly concrete sidewall surface damage within the matrix gradually freezing and thawing, steel corrosion and alkali-aggregate reaction damage factor, is a direct result of the micro-structural damage within the concrete shaft lining.

碳化、氯离子侵蚀等环境作用下，主要是混凝土井壁表层向基体内部逐渐造成损伤，而冻融、钢筋锈蚀和碱&集料反应等损伤因素，是直接造成混凝土井壁内部微结构的破坏。

The collision theory for chemical reactions is discussed and the probability function of reaction ( or steric factor) of different collision models is deduced for direct simulation of chemical gas flow.

论述了碰撞过程中的化学反应理论，给出了不同分子碰撞模型下的化学反应抽样几率函数（位阻因子）构造的过程。

There is a direct proportional relation between the magnitude of the parasitic reaction and the TMGa flux.

预反应的程度与TMGa的流量成正比。

In this paper, the feature of armature reaction for PM synchronous motor is analyzed. The coupling between direct-axis and quadrature-axis magnetic paths and the concept of coupling reactance are explained in detail.

本文详细地分析了永磁同步电动机电枢反应的特点，说明了直交轴磁路间的耦合以及耦合电抗的概念。

New opinions have been proposed on the theories of the direct or indirect mechanism and the silver ion catalysis and the reaction pattern in the bacterial leaching in this thesis on the basis of above experimental results.

并对直接间接作用学说、Ag+催化细菌浸出机理及细菌作用模式提出了新的看法。

In this paper, it is researched on the grafting reaction and the relation between the grafting and the anti-fogging by grafting with melt extrusion for expecting to direct the process.

根据有关文献，接枝对于提高防霁性有一定的作用，但研究较少，本论文通过熔融挤出接枝，对接枝反应及接枝与防雾性的关系进行了有益的探索。