芳芳

A surface-modified adsorbent is a support bearing at the surface of a chemically bonded "monomolecular" layer of adsorbing groups, which provides fast kinetics of the recovery and elution of the molecules and ions under study.5–9 SPE by use of alkyl-bonded silica gels has been widely applied in the environmental analysis of polyaromatic hydrocarbons, pesticides, substances of biochemical origin and other organic compounds.

表面改性吸附剂是一种载体，它负载在一层化学键合的单分子吸附性官能团的表层，为所研究的分子和离子的回收和洗脱提供了快速动力。使用含烷基的硅胶的SPE技术已经被广泛应用到芳烃聚合物、农药、生物成因物质以及其他有机化合物的环境分析中。

In this connection, Ar3 and Ar4 independently represent an optionally substituted monovalent aromatic ring.

在这一点上，Ar3和Ar4各自独立地表示任选被取代的一价芳族环。

Using opal poly-butylbenzene rubber as tread, studied the different petroleum resin substituting arene oil vs the changes of compound Moony scorching.

随着科技的进步，作为石油及煤炭工业的副产品，石油树脂、固马隆树脂等越来越多地应用于胎面胶中用于替代芳烃油。

In order to solve the problem that traces of alkaline matter morpholine is contained in the methylbenzene product of N - formylmorpholine aromatics extraction plant, a feasible research was made on removal of morpholine with ion - exchange method in small - sized experimental plant.

针对芳烃抽提装置的产品甲苯中含有微量碱性物质吗啉的问题，在小型试验装置上进行了离子交换法脱除吗啉的工艺可行性试验。

Eight new substituted aminomethyl derivatives were prepared by Amine exchange reaction of the Mannich base of sinomenine with aromatic amines or morpholine.

2由Mannich碱与取代芳胺及吗啉通过胺交换反应合成了8个未见文献报道的取代胺甲基化合物。

Feature and use: It tests melt flow rate of high polymer under mucosity flow state.It was expressed by MFR or MVR.It suits for testing polycarbonate,FI plastic and nylon under higher melt temperature. It suits for testing polyethylene、polystyrene、polypropylene、ABS colophony and polyformaldehyde colophony under lower melt temperature.

特点及用途：熔体流动速率仪是用来测定各种高聚物在粘流状态时的熔体流动速率，在一定的温度和负荷下，熔体每10min通过标准口模的质量或体积，用MFR或MVR来表示，它既适用于熔融温度较高的聚碳酸脂、聚芳砜、氟塑料、尼龙等工程塑料，也适用于聚乙烯、聚苯乙烯、聚丙烯、ABS树脂、聚甲醛树脂等熔融温度较低的塑料测试，广泛应用于塑料生产、塑料制品、石油化工等行业及有关院校、科研单位和商检部门。

Aoki T,Nakata H, Watanabe H, et al.

何建行，杨远有，张镜芳。

In coal-derived condensates naphthalene in aromatic hydrocarbons is relative low in content, whereas diammonium is very rich.

由煤系腐殖型母质生成的凝的析油，芳烃中萘的含量相对较低，而联苯的含量非常丰富。

Paraffin consists of n-alkane,short p-alkane,naphthene and aromatic, minimal amount of compounds containing elements S,N,O.

石蜡主要是由正构烷烃组成，还有较少的异构烷烃、环烷烃和芳烃，以及含微量S、N、O的化合物。

Tatsu varieties is the production and operation of 12 major categories of more than 50 varieties, mainly for rubber-filled Products oil, aromatic oil, paraffin oil, naphthene oil series Products, Product, respectively, applied to natural rubber, styrene-butadiene rubber products, butadiene rubber, EPDM ethylene-propylene rubber and the oil-filled elastomer SBS and footwear industries in the TPR pellet production, and also applies to styrene-butadiene rubber, chloroprene rubber and processing of oil-filled, annual production capacity of 15,000 tons.

现生产经营品种达12大类50多个品种，主要产品为橡胶填充油、芳烃油、石蜡油、环烷油等系列产品，产品分别适用于天然橡胶制品、丁苯橡胶制品、，顺丁橡胶制品、三元乙丙橡胶乙丙橡胶及弹性体SBS的充油和制鞋工业中的TPR粒料生产，也适用于丁苯橡胶、氯丁橡胶充油及加工，年生产能力达15000吨。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。