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N-phenyl maleimide,1-Phenyl-1H-pyrrole-2,5-dione,N-phenylmaleic imide、Maleimidobenzene is abbreviated NPMI or N-PMI,pale-yellow aciform crystals.The melting point is 88~92℃.NPMI is a kind of heat resisting organic monomer,and can increase material thermostability by raising intemal rotation resistance of macromolecular,using its special molecular struture.

N-苯基马来酰亚胺俗称&单马&,英文名称为;N-phenyl maleimide、1-Phenyl-1H-pyrrole-2,5-dione、N-phenylmaleic imide、Maleimidobenzene,英文缩写NPMI,淡黄色片状晶体,熔点为88~92℃,是近年发展起来的一种耐热有机单体,由于它具有五元环状平面结构,嵌入高分子链中可增加链的内旋阻力,从而提高材料的耐热性。

Inflorescences mostly lax, rarely capitate, always without clearly defined involucral bracts; ovules basal, anatropous.

多数疏松,很少头状的花序,总是没有明显确定的总苞片;基部的胚珠,倒生。

Therefore, this dissertation contains such two parts:First, we fabricated two-dimensional staggered silver nanoplates byreplacing the inert substrate with a chemically active aluminium foil in anormal silver mirror reaction.

因此,本论文包括了这样两个部分:首先,我们通过在普通的银镜反应中引入一种活泼金属铝作为基板,得到了二维交错排列的银的片状纳米结构并对其进行了相关表征。

Sepals abaxially not or very shortly (less than 0.5 mm) corniculate near apex.

萼片背面的并非或非常短的(不到0.5毫米)具小角状突起的近先端。

Glands disciform or depressed at apex of teeth along bract margins and sometimes along leaf blade margins.

沿着苞片边缘和有时沿着叶片边缘的腺体齿的盘状的或下凹在先端。

The invention relates to a catalytic cracking catalyst with faujasite. Wherein, it comprises high-silicon-aluminum faujasite at 5-95%, and fusion-resistant oxide at 5-90%; the mol ratio as SiO2/Al2O3 of faujasite is 6-20; it is Y-type zeolite, whose particles have sheet shape.

本发明涉及一种含八面沸石的催化裂化催化剂,以重量计含有高硅铝比八面沸石5%-95%,耐熔氧化物5%-95%,其中八面沸石的SiO2/Al2O3摩尔比为6―20,属于八面沸石中的Y型沸石,并具有片状形貌。

Inflorescence bracteate, partially iterauctant, composed of 1–7-spikeleted racemes gathered into fascicles or globose mass subtended by a tiny, membranous, 2-keeled prophyll, 0 or 1 gemmiferous bract, 2–6, gradually enlarged scaly bracts, and 2–7 spathiform bracts.

具苞片的花序,部分iterauctant,由1-7 spikeleted组成,总状花序进束簇聚集群众以极小,膜质,龙骨状的2被包着的或球状,小穗具2-7小花,顶生不育。

A young jararaca snake lies coiled on a mossy piece of ground in the Brazilian rain forest.

位于巴西的雨林有一条年轻的蝰蛇躺卧盘绕在一片青苔状的地面。

Coiled Jararaca Snake, Brazil, 2001 Photograph by George Grall A young jararaca snake lies coiled on a mossy piece of ground in the Brazilian rain forest.

位于巴西的雨林有一条年轻的蝰蛇躺卧盘绕在一片青苔状的地面。

It is important to control the lamellar spacing of fully lamellar TiAl alloy for improving its mechanical properties.

摘 要:利用光学显微镜和TEM,研究了全层状TiAl合金的层片间距的影响因素及与各因素的关系。

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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。