查询词典 st

A C-C bond type radical initiator i.e. 1,1,2,2-tetraphenyl-1,2-ethanediol and a S-S bond type thermal iniferter, i.e., tetraethyl thiuram disulfide were used to consist of new reverse ATRP initiation systems TPED/FeCl3/PPh3 and TD/FeCl3/PPh3, respectively."Living"/controlled polymerizations of a polar monomer MMA and a non-polar monomer St were investigated with the initiation systems as well as other new initiation systems; behavior of vinyl polymerization with a new asymmetrical C-C bond type thermal monomeric iniferter was studied also.

前者选用C-C键型的自由基聚合引发剂1，1，2，2-四苯基-1，2-乙二醇、S-S键型的热iniferter二硫化四乙基秋兰姆组成新引发体系TPED/FeCl3/PPh3、TD/FeCl3/PPh3，研究这些引发体系引发MMA、 St聚合的&活性&/控制聚合行为，同时研究一些其他新引发体系；后者合成了一种新的非对称C-C键型热引发转移终止剂，并研究其自由基聚合规律。

Objective This study evaluated clinical value of inferior ST segment depression in acute transmural anterior myocardial infarction.

目的探讨急性前壁透壁性心肌梗死时下壁导联ST段压低的临床价值。

ST company ; financial distress ; uncapped ; long-term performance

ST公司；财务困境；重组摘帽；长期绩效

Results The Yis CAD patients have obvious emotional disorder. Their chest pain frequency, duration and ST segment depression level have improved after treatment.

结果 彝族冠心病患者存在明显的情绪障碍，抗抑郁治疗后胸痛、每周发作次数、发作时ST段下移程度和胸痛持续时间均较抗抑郁治疗前明显改善。

The results of zoopery showed Lactobacillus plantarum ST-Ⅲ had proper effect on adjust ing the rat's intestinal microflora and the resultful dose was 108cfu/mL.

结果表明，植物乳杆菌ST-Ⅲ对小鼠肠道菌群具有一定的调节效果，有效剂量为6×108mL-1。

Severe complication included 1 cases of pericardial tamponade, 1 case of cardiac arrest with ST elevation and 1 case of temporary cerebral gas embolism.

严重并发症包括1例术后心包压塞，1例一过性窦性停搏伴下壁导联ST段抬高，1例一过性脑气栓，无死亡病例。

States Securities One analyst said, but he also mentioned, with the overall market valuation of the lower center of gravity, some type of low performers ST shares fell below a dollar mark may be able to see in the near future.

美国证券一位分析师说，但他也提到了与低重心的整体市场估值，一些ST股票低于1美元大关下跌绩差类型可能能够看到在不久的将来。

Objective To assess the effect and safety of applying Diver CE thrombus - aspirating device during direct percutaneous coronary intervention in pations with ST- segment elevation myocardial infarction.

目的评价急性ST段抬高心肌梗死患者急诊冠状动脉介入治疗中应用DiverCE血栓抽吸装置的效果与安全性。

It is reported that recently, more than 20 ST companies restructuring related bulletins.

据报道，最近，超过20 ST公司重组相关公告。

Table 2 The value of dX,S and St under different calcining temperatures

表2 不同温度下的dX，S，St值

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐