这是固体,是原子的聚合物。
在一个原子的核内,中子和质子聚合在一起。
Neutrons and protons are bound together in the nucleus of an atom.
正如在太阳上所进行的反应一样,第二阶段连锁反应将氢原子聚合成较重的氦原子并在这一过程中释放出巨大的能量。
Just as in the sun, the chain reaction in the second stage fuses the hydrogen atoms into heavier helium atoms and releases vast amounts of energy in the process.
有时,足够的气体会积累起来导致这颗矮星发生坍缩,使得它的碳原子几乎能立即聚合,而爆炸成为I类超新星,它在几个月内的亮度能超过一个星系。
At times, enough gas builds up for the dwarf to collapse, leading its carbon to fuse nearly instantly and the dwarf to explode in a Type I supernova, which can outshine a galaxy for a few months.
邮政地址是聚合组件的一个例子,它是一致的抽象概念,包括几个原子组件,如省份和邮政编码。
An example of an aggregate component is a postal address, which makes up a coherent, abstract concept; it is composed of several atomic components such as province and postal code.
CC可以是原子性的(也称为基本组件)或聚合的。
其次,化学家想要将他们的环形聚合物与带电原子结合,例如钾离子和锂离子。
Next, the chemists would like to bind their rings to other charged atoms, such as ions of potassium and lithium.
塑料是用来定义由碳原子和其他元素以共用电子对的方式结合而成的聚合树脂连同有机物或者无机物类。
The term plastic is used to define human-made polymer resins containing carbon atoms covalently bonded with other elements, along with organic or inorganic substances.
学习资源聚合模型以原子型学习对象和复合型学习对象两种资源构件对网络课程进行封装和组织,实现课程资源的共享与重用。
In the model, the E-course resource is encapsulated in atomic learning objects and composite learning objects, which can enable the resources to be Shared and reused.
氟是元素周期表中电负性最大的元素,因此聚合物中氟原子上负电荷比较集中,电子云密布。
Fluorine is the most negative-electronic element, So negative charges gathered around fluorine atoms and electron cloud covered densely in polymers.
对用于原子转移自由基聚合的过渡金属催化剂近年来的研究新进展作出了评述和展望。
The recent progress in transition-metal catalyst used in atom transfer radical polymerization has been reviewed in this article.
通过由对氯甲基苯甲酸引发的苯乙烯原子转移自由基聚合(ATRP)合成了分子量可控、分子量分布窄的新型功能聚合物。
A novel type of functional polymer with designed structure, controlled molecular weight and low polydispersities can be prepared via ATRP (Atom Transfer Radical Polymerization).
之后会出现强核力占主导作用的短距效应,进而,原子聚合成为氦。
This allows a short-range phenomenon called the strong nuclear force to take over and causes the nuclei to merge and form helium.
链转移氢、其它原子或反应种转移到反应体系的化合物中(单体、引发剂或溶剂),从而导致聚合物增长终止,这种情况称为链转移。
A growing polymer is terminated by the transferred of a hydrogen or other atom or species to it from some compound present in the system-the monomer, initiator, or solvent, as the case may be.
合成了1 ,2 -二哌啶乙烷,并将其应用于苯乙烯和甲基丙烯酸甲酯的原子转移自由基本体聚合。
The new ligand 1,2-dipiperidinoethane (DPE) was designed and synthesized, and applied to atom transfer radical polymerization of styrene and methyl methacrylate monomers.
本发明涉及一种原子转移自由基聚合引发体系及其在制备高分子化合物的应用。
This invention relates to an atom transfer radical polymerization initiating system and its application in the preparation of polymers.
通过原子转移自由基聚合可以方便地合成各种结构的模型聚合物,包括嵌段、接枝、星形及超支化共聚物等。
The technique of ATRP has been used to synthesize the model polymer with various structure, block copolymer, graft copolymer, star-shaped polymer and hyperbranched polymer.
将金属原子运用于配位聚合物里可能会有几个优点,即由非共价作用组装在一起的单一的有机链,网格或骨架。
The use of metal atoms in coordination polymers offers several possible advantages over purely organic chains, grids or frameworks which are organized by non-covalent interactions .
在分子、原子、介观和宏观层次上讨论了聚合物的结构和智能性。
At the atomic, molecular, mesoscopic and macroscopic levels, the structure features and intelligences of polymer were also discussed in detail.
通过原子转移自由基聚合(ATRP)制备了含1,1-二苯基乙烯(DPE)侧基的聚苯乙烯。
Polystyrenes with 1,1-diphenylethlene(DPE) pendent groups were synthesized via atom transfer radical polymerization(ATRP).
原子转移自由基聚合(ATRP)反应是实现活性聚合的一种颇为有效的途径,可以合成分子量可控、分子量分布窄的各种聚合物。
Atom transfer radical polymerization (ATRP), which can yield polymers with controlled molecular weight and low polydispersity, is an effective approach to realize living radical polymerization.
本发明公开了一种由点击化学和原子转移自由基聚合(ATRP)同步反应制备网络互穿功能性水凝胶的方法。
The invention discloses a method for preparing network interpenetrating functional aquagel through the click chemistry and the atom transfer radical polymerization (ATRP) synchronous reaction.
实验结果表明用表面引发原子转移自由基聚合在多孔氧化铝膜内部形成分子印迹聚合物纳米管是可行的。
The experimental results prove that atom transfer radical polymerization route works well in the formation of molecularly imprinted polymer nanotubes within porous alumina template.
本文对原子转移自由基聚合及其反应机理作了简要介绍,并对其近期进展进行了评述,着重介绍了其在共聚物分子结构设计中的一些应用。
The mechanism of ATRP is introduced briefly in this paper, and the new progresses of ATRP are reviewed, emphasis on the applications of ATRP in copolymer molecular design.
结果表明原子转移自由基乳液聚合和常规乳液聚合存在着很大的差异,特别在成核机理和动力学方面。
As a result, there were great differences between ATRP and conventional emulsion polymerization, especially the nucleation mechanism and the kinetics.
用乙二醇配制样品空白溶液,建立了悬浮液技术及乳化技术处理样品,快速测定聚合松香中锌的火焰原子吸收光谱(FAAS)法。
Both flame atomic absorption spectrometric methods for rapid determination of zinc in polymerized rosin with suspension technique and emulsification technique have been established.
综述了普通自由基聚合和原子转移自由基聚合(ATRP)反应对壳聚糖及其衍生物进行修饰改性的研究现状。着重介绍了ATRP技术在壳聚糖接枝改性方面的应用。
The paper reviewed the modification of chitosan by free radical polymerization and atom transfer radical polymerization(ATRP), emphasized the application of ATRP on graft copolymerization of chitosan.
原子转移自由基聚合是一种新的活性自由基聚合方法。
Atom transfer radical polymerization is a new type of living radical polymerization method.
对原子转移自由基聚合技术在合成功能性复杂星形聚合物中的应用进行了展望。
Application of ATRP technology to the synthesis of functional complex star polymers is predicted.
对原子转移自由基聚合技术在合成功能性复杂星形聚合物中的应用进行了展望。
Application of ATRP technology to the synthesis of functional complex star polymers is predicted.
应用推荐