树脂制的

This product fits for mixing resin self-hardening sand and soluble glass sand of large size or medium size castings with integrated function, close structure, even mulling, stable running and convenient application and operation.

该系列产品主要用于大中型铸件树脂自硬砂及水玻璃砂的混制。具有功能齐全，结构紧凑，混砂均匀，运行平稳，使用操作方便等优点。

The results showed that the coating had a good capability when the polyester resin and DN-90 vulcanize additive were choosed. Its climate-retardancy reached for 2000hs,the wear data decreased to 0.038g,anti-temperature change was up to 20 cycle grade.

结果表明当选用某聚酯树脂C为基料、DN－90为固化剂时，制得的聚氨酯涂料耐人工加速老化时间可达2000小时，涂膜磨耗量可降至0.038克，耐温变20个周期后，检测结果合格。

An unsaturated primary alcohol present in wood spirit; use to make resins and plasticizers and pharmaceuticals.

木醇中一种主要的不饱和醇，用于制树脂、可塑剂和药品。

A novel farm film with weatherability and non fog-drop and light trans form was produced by adding rare earth light transform agents and other auxiliar ies in polyethylene resin.

将稀土转光粉和其他助剂添加到聚乙烯树脂里，制得新颖的耐候光转换无滴农膜。

Rats in experimental group were placed on the expansion appliance, inserting into the diastema between the first and second molars, then stick to molar lingual using light-cured resin for retention.

实验组采用0.014澳丝弯制双眼圈簧样扩弓装置，插入第一、二磨牙牙间隙，用光固化树脂粘结在大鼠磨牙舌侧进行固位；对照组安装未加力的同型扩弓装置。

A dicarboxylic acid used to make resins.

一种用于制树脂的二羧酸。

An ester or a salt of perchloric acid .

一种用于制树脂的二羧酸。

A widely used durable synthetic resin derived from glycerol and phthalic anhydride.

木醇中一种主要的不饱和醇，用于制树脂、可塑剂和药品。

Phenolic resin/montmorillonite hybrid resin were prepared by Zn_2 catalyst and cured by p-toluene sulphonic acid through one step process in this paper.

在醋酸锌催化剂作用下，采用边缩聚边插层的一步法制备了酚醛树脂/蒙脱土杂化树脂，并采用对甲苯磺酸为室温固化剂制得酚醛树脂/蒙脱土复合材料。

DPODPS with melting point within three degrees can be obtained,purified by recrystal.2, 4,4\'-diphenyoxy-diphenyl sulfone was synthesized by reaction of phenol with bis (4-chlorophenyl)sulfone in tetramethylene sulfone in the presence of NaOH.

将其在亲电反应条件下和对苯二甲酰氯或间苯二甲酰氯共缩聚制得了二种聚芳醚砜醚酮酮树脂，用IR、DSC、TG、WAXD等对其结构和性能进行了表征，同时研究了聚合物在300±10℃空气中的氧化热稳定性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。