1、

The fiber directional coupler with branching ratio of 1/ 1~ 1/ 30 has been fabricated.

做出了分光比在1/1~1/30之间变化的光纤定向耦合器。

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2、

The last three committed steps in the pathway of starch biosynthesis are catalyzed by three enzymes, ADPG phosphorylase ( AGPP), starch synthase and starch branching enzymes.

淀粉的合成在最后阶段涉及到3个关键性的酶是:ADPG焦磷酸化酶、淀粉合成酶以及淀粉分支酶。它们分别催化ADP-葡萄糖的形成、葡聚糖链的延伸以及分支链的形成。

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3、

Construction and Transformation of Maize Starch Branching Enzyme SBE ⅱ b Gene RNA Interference Expression Vector

玉米淀粉分支酶SBEⅡb基因RNA干涉表达载体的构建和转化

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4、

Further research of starch branching enzyme is of significance in both theory and application.

开展对该酶的深入研究不论是在基础理论研究领域还是在现实应用方面都具重要意义。

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5、

Following crosslinking reaction by GPC, we revealed that increasing the branching degrees was slow step.

GPC跟踪偶联反应表明,偶联反应是快步骤,偶联度的增加是慢过程。

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6、

The of MMT lowers rate during polymerization , resulting low branching degree of polymer.

而在聚合后期则产生了支化度低, 分子量较低,熔点高的聚合物.

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8、

Properties of Probability for Linear Controlled Branching Process in Random Environment

随机环境中线性控制分枝链的概率性质

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9、

The branching ratio of radiative decay of π~+ mesons

π~+介子辐射衰变分枝比

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10、

The lifetime, branching ratio and integrated stimulated-emission cross section were obtained and the results were discussed.

计算了各个能级跃迁的谱线强度、振子强度、吸收截面等,进而计算了3H4和3F4态的自发跃迁概率、辐射寿命、荧光分支比和积分发射截面,并对结果进行了分析。

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11、

Fine Structure Branching Ratio for Rb-Ne Optical Collision

Rb-Ne光学碰撞精细结构分支比

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12、

Intensity calibration of monochromators in vacuum ultraviolet wavelength region by atomic branching ratio method

利用分支比方法作真空紫外光谱仪的强度校准

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13、

Optical Fiber Directional Coupler with Continuously Variable Branching Ratio

分光比连续可调的光纤定向耦合器

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14、

The observations of micro-structures by SEM and TEM revealed that the reinforcing mechanisms for SiC ( p)/ M composites were mainly crack deflection and crack branching by SiC particles, and for Y-TZP/ M composites microcrack toughening was important.

用SEM和TEM分析材料断口等显微结构,确定SiC(p)/M复合材料中裂纹偏转和分支对强化增韧起主要作用;Y-TZP/M复合材料中微裂纹增韧起重要作用。

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15、

It is shown that the strengthening mechanism of the composites are secondly phase strengthening and grain refining, and the toughening mechanism is a synthetic effect in terms of grain refining, microcrack forming, crack deflection and crack branching.

ZrO2颗粒通过第二相强化和细化晶粒使复合材料强度得到提高,通过细化晶粒、裂纹偏转和分支、形成微裂纹等机制的综合作用增韧复合材料。

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16、

It is found that intragranular structure is formed, and the tortuous routes of crack propagation and the branching, deflecting and bridging are also observed on the fracture surface.

通过对其断口的观察,发现形成了晶内型结构,并观察到了裂纹曲折的扩展路径以及裂纹的分叉、偏转、桥联,这些有助于材料强度和韧性提高的现象。

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17、

Crack defection, crack branching and whisker bridging process may also contribute to the increase of fracture toughness.

断裂韧性的增加是由于裂纹偏转、裂纹分支和钉扎等作用引起。

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18、

The micro cracks in matrix propagate along the bainitic ferrite austenite interface. The crack deflection or branching is occurred due to the different orientation of bainitic ferrite.

基体中的裂纹多数是沿贝氏体铁素体-奥氏体界面扩展,不同取向的基体组织可使裂纹偏转或分叉;

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19、

Consequently, at the macroscopic crack branching velocity, the experimental fracture surface energy and the fracture surface roughness; have no single value in such materials.

因此,对这种材料在宏观裂纹分叉速度时,实验断裂表面能及断裂表面韧性没有单一值。

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20、

Effect of Temperature on Crack Branching in Soda-Lime Glass Plates Subjected to Biaxial Flexure

温度对钠钙玻璃板在双向弯曲试验中裂纹分叉的影响

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