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- Changement of High Density PCB 印制板高密度的变迁
- Type of high density solder mask. 一种高密度焊料掩膜。
- SDRAM is one kind of high density memory device. SDRAM是一种高密度的存储器件，可以通过电性测试，并且运用bitmap这一有效工具诊断出其具体的失效区域，通过进一步的物性失效分析来找出工艺上失效的原因。
- This paper describes the development of solder resist for laser direct imaging(LDI), can rises position alignment accuracy of solder resist in high density PCB manafacturing. 概述了激光直接成像(LDI)用阻焊剂的开发,可以提高高密度PCB制造中阻焊剂的位置重合精度。
- This paper gives an analysis on the question of reliability design for high speed and high density PCB and offers an introduction to the basic method of reliability design for PCB. 分析了高速、高密度的印制电路板(PCB)设计中所涉及的可靠性问题,介绍了如何进行PCB可靠性设计的基本方法。
- Abstract: This paper gives an analysis on the question of reliability design for high speed and high density PCB and offers an introduction to the basic method of reliability design for PCB. 摘要：分析了高速、高密度的印制电路板(PCB)设计中所涉及的可靠性问题，介绍了如何进行PCB可靠性设计的基本方法。
- With the development of high density printed circuit boards( PCB), thinner and thinner glass cloths are needed for making PCB base materials( CCL, semipreg). 介绍了高密度印制电路板发展对基本材料(铜板、固化片)用的电子级玻纤布的薄物化有更高需求的情况。
- Cleaner arteries immediately following a workout,levels of high density lipoprotein,HDL,rise by as much as 20 percent. 洁净动脉后测量，高浓度脂蛋白的含量立即上升20%25之多。
- Because of high density,high ionization,low pressure and small damage,ECR plasma can bewidely used in RIE,Plasma CVD and Sputtering. 由于ECR微波等离子体技术具有密度高、电离度大、工作气压低、表面损伤小等特点，在反应离子刻蚀（RIE）、等离子体化学气相淀积（CVD）和溅射方面具有广阔的应用前景。
- Study and application of high density organic salt drilling fluid for gypsum/salt bed. 盐膏层用高密度有机盐钻井液的研究与应用
- Pretreatment and dyeing process of high count and high density pure cotton satin drill in broad width were introduced. 阐述高支高密纯棉贡缎类宽幅织物前处理和染色工艺及生产中易出现的问题。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- This series door facing is made of high density wood fiber and nature wood veneer. 此系列模压门板基材为高密度模压门板，表面为天然实木单板贴面。
- While multiple foci of high density tumor bone were seen in 11 cases in the proximal humerus and femur. 发生在肱骨近端和股骨近端的11例均表现为密度增高的多发团状的瘤骨。
- And then, it guides how to explain the abnormality of high density resistivity scientifically. 进而对高密度电阻率法异常的科学合理解释进行指导。
- ZBD series is another ideal one to replace WARMAN pump of high density and anti-corrosion in AH series. ZBD系列是代替AH系列高浓度、强磨蚀WARMAN泵的理想节能换代产品。
- Japan has a high density of population. 口密度很大。
- Seat and back cushion is made of high density and high elasticity PU foam,covered with fire retardant cloth exteriorly. 椅座，椅背衬垫采用高密度，高弹性的聚氨脂泡绵，外面覆盖耐火布料。
- Their merchandise is of high quality. 他们的货物质量很好。
- Preparation and adsorption properties of high density resorcinol-formaldehyde carbonized aerogel ICF target[J]. 引用该论文 黄常刚;王朝阳;唐永建;王美丽;闫红梅;关峰.
