重聚

The results show that the thermal degradation process of polystyrene initiates from chain end scission, and styrene dimer is the residual of degradation of polystyrene; Different catalysts have different catalytic activity on the degradation process of polystyrene, among which barium oxide is the best.

作者利用热重质谱法对聚苯乙烯热降解和催化降解过程进行了研究，得出以下结论，聚苯乙烯的热降解过程主要由链端断链反应引发，苯乙烯二聚体可能是聚苯乙烯降解结束阶段的剩余物；不同催化剂在聚苯乙烯降解过程中具有不同的催化活性，其中氧化钡的催化活性最高。

A new monomer,4-hexanoxyl-4′-undecylene-[10]-acyloxyazobenzene was synthesized using the main materials:phenol,underlenic acid,1-bromo- n -hexane, p -nitrophenol,thionyl chloride,by the substitution,reduction,couping and diazotization methods.A new polymer was prepared by hydrosilation reaction of poly (methylhy-drosiloxane) with the monomer.

以苯酚、十一烯酸、正溴己烷、对硝基苯酚和二氯亚砜为主要原料，通过取代、还原、重氮化和偶合等反应，合成了一种新的液晶单体 4-己氧基-4′-十一烯-[10]-酰氧基偶氮苯，并与聚通过硅氢加成生成一种新的高分子液晶。

Phenolic resin in alkali aqueous solution can be regarded as anionic polyelectrolyte and forms complex with diazo resin .

在碱性水溶液中酚醛树脂可视为阴离子聚电解质，可与重氮树脂形成复合物。

In compound 1, two independent other than dimerized copper-phenanthroline graups are fused to the oxggen atoms in the vacant site of the mono-lacunary polyanton in parallel.

该化合物分子中2个独立的非二聚体的铜－邻菲啰啉平行地与缺位多酸空穴外的氧配位键合，通过元素分析、红外光谱、热重分析和X射线单晶衍射对其结构进行了表征。

Its compositional materials are heavy burnt magnesia and polyphosphatic solution.

其基本组成材料是重烧氧化镁和聚磷酸盐。

Anti-TB bone was made of reconstituted bone xenograftcombined with 4 antituberculosis drugs ( Isoniazide, Rifampicin, Pyrazinamide, Ethambutol ) at certain concentration and encapsulated by gelatin and polycaprolactone.

采用明胶和聚己内酯复合包裹法将异烟肼、利福平、吡嗪酰胺和乙胺丁醇等4种抗结核药物按一定浓度和配比与重组合异种骨复合，制备抗结核骨。

Just as important are the social aspects of the Show where the people of the city and the country come together - country tweed, moleskins, and city business suits mingle at the Cattleman's Bar and for many years the annual Show Balls have been a highlight of Queensland's social scene.

這個一年一度的展覽。是很重要的。因為它讓很多不太有機會遇到的人。聚在一起。。。穿麻布衣的花呢裝的。和西裝打領帶的。通通都在一家牧羊人酒巴相聚聊天。多年來。展覽舞會一直都是展覽的重點。

Main products: high-intensity light mullite insulation firebrick HS, light-bleaching clay brick, high aluminum light-brick, diatomite brick, I-III-class quality high-alumina, with carbonation BF Silica brick, silicon carbide composite roof panels, pillars, oxides of silicon carbide products, PA-80 high temperature adhesive, BL-2 refractory castable, GNT series of brick and corundum castable series, Ramming materials, such as more than 10 Series of dozens of species of stereotypes / refractory and stereotypes based on user needs, customer design and production of refractory prefabricated units.

主要产品有：高强度轻质莫来石绝热耐火砖HS、轻质粘土漂珠砖、高铝聚轻砖、硅藻土砖、I-III级重质高铝、高炉用碳化硅砖、碳化硅复合棚板、立柱、氧化物结合碳化硅制品、PA-80耐高温胶粘剂、BL-2耐火浇注料、GNT系列刚玉质砖及浇注料系列、捣打料等十几个系列几十个品种的定型/不定型耐火材料并可根据用户需要，为顾客设计和制作各种耐火材料预制构件。

Under the same eggs inoculation levels,and using such index as root decay,relatively gall index,relatively eggs mass index,shoot height,root length and shoot weight,the pathogenicity for 34 Meloidogyne populations from different areas in 11 provinces in China to the tobacco cultivars K326 and Honghua Dajinyuan were clustered by SAS.

在相同的接种水平下，以烟草品种K326、红花大金元为供试寄主，用SAS软件，对坏死百分率、相对根结指数、相对卵块指数、株高、根长、地上部分重等6个指标进行聚类，分析不同或相似生态条件下，4种常见根结线虫中34个群体的致病性。

It undertakes fuel oil, polymer, paraffin wax and chemical fibre, with the main products of non-lead gasoline, light diesel fuel, 20# heavy diesel fuel, topped oil, naphtha, aviation kerosene, cracked diesel oil, fuel oil, base oil, isomer dewaxing oil, liquid petroleum gas, propane, propylene, MTBE, benzene, toluene, xylene, paraffin wax, polyacrylamide, acrylonitrile, ammonia sulfate, semi-refined asphalt, acrylon, furfural extract oil, liquid nitrogen, etc, totaling 338 varieties and more than 100 kinds of brands.

它的主要产品有：高标准清洁汽油、无铅汽油、轻柴油、重柴油、航空煤油、化工轻油(拔头油、裂化原料油、石脑油)、燃料油、&老三套&基础油、异构脱蜡基础油、液化石油气、丙烷、丙稀、MTBE、石蜡、聚丙稀酰胺、丙稀腈、硫胺、硫磺、三苯、半炼沥青、腈纶、糠醛抽出油、液氮等38种100多个牌号的石油化工产品，产品辐射全国25个省、市、自治区。2000年销售收入119.9亿元。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。