Several crucial features of PTA optical quality and the mechanism of the features were introduced.

  • 浅析PTA产品光学质量的不同指标的含义和形成机理,同时阐述实际生产中PTA产品光学质量的影响因素.
  • 来源:互联网摘选更新时间:2025-01-19 08:54:36

  • 重点词汇
  • opticaladj.视觉的,视力的;眼睛的;光学的;
  • mechanismn.[生]机制,机能,[乐]机理;(机械)结构,机械装置[作用],(故事的)结构;[艺]手法,技巧,途径;机械作用;
  • severaldet. 几个;数个;一些;
  • crucialadj.关键性的,极其显要的;决定性的;十字形的;
  • ofprep. 关于;属于…的;由…制成;
  • PTAabbr.Parent-Teacher Asociation 家庭教师协会;
  • andconj. 和,与;而且;于是,然后;因此;
  • were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
  • 相关例句
1、

It also puts forward the marketing strategy of PTA products for Yangzi Petrochemical Company Limited.

提出了扬子石油化工股份有限公司PTA产品的市场营销策略.

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2、

Conclusion: Local intravascular thrombolysis combined PTA may be alternative therapy for acute middle cerebral artery occlusion.

结论: 局部动脉内溶栓和PTA结合可能是治疗急性大脑中动脉闭塞的有效方法.

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3、

An anticorrosive and antistatic coating for storage tank was prepared with PTA wastes and heavy arenes.

由对苯二甲酸(PTA) 废料酯化合成的聚酯树脂再与重芳烃、锌粉、铁红、石墨及固化剂等制得防腐抗静电油罐涂料.

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4、

The production and property of PTA residue was discussed.

论述了我国PTA行业 废渣产生情况和PTA废渣 的性质.

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5、

Purpose PTA and stenting for various types of Budd Chiari syndrome ( BCS ) were investigated and evaluated.

目的探讨不同类型Budd- Chiari综合征 (BCS) 介入治疗方法,评价经皮穿刺球囊扩张术 ( PTA ) 和内支架(stent)治疗Budd-Chiari综合征的价值.

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6、

The research and development directions of PTA inventory analysis in China is pointed out.

指出了我国开展PTA清单分析的研究方向.

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7、

I took part in my mother's installation as president of the PTA.

我参加了我母亲作为教师家长联盟会长的就任仪式.

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8、

A black fox came toward him, carrying a ptarmigan in his mouth.

一只黑狐狸朝他走了过来, 嘴里叼着一只松鸡.

英汉文学 - 热爱生命

9、

But he could not stop, for the mother ptarmigan was running on.

不过他不能停下, 因为母松鸡正在向前跑.

英汉文学 - 热爱生命

10、

With the characteristic of constant temperature, the PTC heater does not need the temperature-controlling system.

PTC发热体具有恒温的特点, 不需要温度控制系统.

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11、

Some organic polymers can form positive temperature coefficient ( PTC ) composites with the electric conduction materials.

某些有机高分子聚合物可与导电材料形成PTC复合材料.

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12、

PTC Heater is a kind of new surface-insulated one.

PTC发热 芯是一种表面绝缘的新型PTC发热体.

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13、

In this paper, the complex impedance property of PTC ceramics has been investigated.

本文研究了PTC陶瓷的复阻抗特性.

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14、

The X ray Diagnosis of PTC with Maligant Lesions of Bile Ducts ( Analysis of 33 Cases )

胆管恶性肿瘤经皮肝穿刺胆管造影(PTC)的X线诊断 ( 附33例分析 )

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15、

CT and PTC Study of Main Bile Ducts Invaded by Hepatocellular Carcinoma ( Analysis of 17 Cases )

肝细胞癌侵入胆管的CT与PTC研究 ( 附17例分析 )

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16、

PTC Shanghai 2007 was just held on October 10 at Shanghai New International Expo Centre.

10月10日上午,一年一度为期四天的PTC展览会 在上海新国际会展中心隆重开幕.

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17、

Define and update the PTC each week.

每周确认和更新PTC文件.

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18、

CT and PTC can be important assisting exarnination.

ct及PTC作为重要的辅助诊断方法.

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19、

The PTC nontaster mutation provides a remarkable amount of information about early human migration.

这个PTC味觉受体基因的突变,为研究早期人类迁徙提供了极为丰富的资讯.

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20、

In particular, sensitivity to PTC and certain con-centrations of saccharin may have a genetic basis.

特别是对PTC和特定浓度的糖精的敏感性有一种遗传学的基础.

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