研究了超枝化偶氮液晶高分子在脉冲激光辐射下的各向异性取向特性。
Photoorientation of azobenzene-functionalized liquid crystalline hyperbranced polymer is investigated by using nanosecond pulse laser.
与现有技术相比，本发明可以生产高强度的长枝化聚烯烃，偶联度可控，成本低廉，生产率高。
Compared with the prior art, the method can produce high-strength long-shoot polyolefin, and has the advantages of controllable coupling degree, low cost and high productivity.
模型除了描述了晶粒的生长，同时还描述了枝晶臂的粗化。
The improved model not only describes grain growth, but also describes coarsening of dendrite arms.
二次枝晶在冷却过程中粗化，并竞争生长。
The secondary dendrites become coarse, and grow competitively during cooling.
浇注温度提高，枝晶臂的长大速度增大，上述物理冶金作用能够部分细化球化奥氏体，但其圆整度较差，尺寸较大。
With the increasing of casting temperature, the dendrites grew fast, which could spheroidize and fine partial austenite with worse circularity and bigger size.
同时，过大的界面厚度会导致主枝晶和二次枝晶粗化。
Meanwhile, too great interface thickness would coarsen the secondary arms.
当硼含量较高、冷却速度较慢时，硼化物存在于枝晶干。
When the boron content is high and the cooling rate is relatively low, boride can exist at the dendrite arm.
粒状晶粒化机制属于枝晶碎断-再结晶机制。
The granulation mechanism of undercooled granular grains is owing to the dendrite breaking - up and recrystallization.
本发明涉及一种化学传感器，它含有由纳米颗粒网状物形成的传感器膜，其中该纳米颗粒由官能化的枝晶体分子键接。
The invention relates to a chemical sensor comprising a sensor film formed of a nanoparticle network in which the nanoparticles are interlinked by functionalized dendrimer molecules.
众多个性化推荐技术中协同过滤可谓一枝独秀，该算法引领了当今各大电子商务平台的推荐系统的发展趋势。
Collaborative filtering is thriving among lots of personalized recommendation technology which leads the recommendation system trends of major e-commerce platforms.
功能化官能团的接枝密度，接 枝数量可以进行精确调控。
The grafting density and grafting number of the functional radicals may be controlled precisely.
用生长健壮的一年生叶子花硬枝和当年生半木质化绿枝为插条。
In the experiment one-year healthily-growing hardwood branches of bougainvillea and one-year semi-lignified softwood twigs with leaves were selected as cuttings.
说明在入侵过程中，反枝苋可以通过调节自身的化感作用和生物量分配来适应不同的氮素营养条件。
These results suggested that the A. retroflexus during its invasion could adjust its allelopathic potential and biomass allocation to adapt different levels of nitrogen nutrition.
说明在入侵过程中，反枝苋可以通过调节自身的化感作用和生物量分配来适应不同的氮素营养条件。
These results suggested that the A. retroflexus during its invasion could adjust its allelopathic potential and biomass allocation to adapt different levels of nitrogen nutrition.
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