以素面镭射纸为例，通过实验，阐述了结合相对反差和色彩反差来确定印刷最佳实地密度的方法。
The method was illustrated by experiment on plain laser paper to combine relative contrast and color contrast to obtain optimum solid density of printing.
本课题的目的是寻找二次纤维新闻纸的最佳印刷实地密度的实验方法，实现对彩色报纸印刷品图像再现质量的控制。
The purpose was to study the best printing solid density on secondary fibers newspaper, to realize the control of the image reappearance quality and improve secondary fibers newspaper's performance.
文中作者着重从测量和计算两个方面，对密度法与色度法描述印刷颜色的优劣进行了分析和比较。
The paper analyses and compares the advantages and disadvantages of density method and chromaticity method in describing the print color in the terms of measurement and calculation.
然而仅用植物纤维相互交织形成的纸张，存在着密度分布不均匀、表面不平整、吸水极强等问题，不能在印刷中使用。
However, only the formation of cross-cutting plant fiber paper, there is a non-uniform density distribution, the surface is not smooth, highly absorbent and so on, can not be used in the printing.
利用气流分选的方法对粉碎后的废弃印刷线路板中的金属与非金属进行了研究，粉碎后的颗粒在气流作用下按照密度与粒度进行分选。
The metal and non-metal of comminuted printed circuit board scrap was studied by the method of pneumatic separation, comminuted material were separated according to density and size by wind power.
在钢网的特定区域，根据孔的密度，有必要只印刷焊盘的一部分。
Depending on the density of the apertures in a particular region of the stencil, it may be necessary to print on only a portion of the pad.
提出对环境条件、耗材、最大密度和输出曲线等控制以获得高质量的数码印刷品。
It was suggested to acquire the better quality by adjusting environment, material, Max density and output curve.
对印刷效果的研究包括三个方面：印刷光泽度、色密度和色偏、色效率、灰度。
Printing effect research include three parts: printing gloss, color density and color deviation, color efficiency, gray level.
从油墨研磨的角度出发，分析油墨研磨过程中压力、水流量、时间因素对研磨出来的油墨质量的影响，进而分析其对胶印印刷品密度的影响。
This paper analyzed the effect of pressure, water flow, and time factors in ink grinding process on the grinding quality of ink, and then analyzed the influence to the offset printing density.
近年来，专色油墨被广泛地应用于印刷中，能否使用密度测量的方法对专色油墨印刷进行控制是很多企业所关心的问题。
It has been a growing concern in the printing industry that if can we use densitometry to measure and control spot color ink or not when considering printing process control.
采用逐波相乘的光谱分析法，对密度值进行了理论计算。根据目前国际密度计与色度计的生产状况，探讨了2000年图象印刷色彩测量方法的发展趋势。
The paper applies the method of spectral analysis of multiplication by waveband to caculatedensity value in theory and discusses the future of the method of printing color measurement in2000.
QFN封装的微波芯片采用一种较新的封装形式，这种封装体积很小，特别适合高密度印刷电路板组装。
Quad Flat No-lead(QFN)package of microwave chip is a relatively new packaging. It offers a small size and especially fits for high density printed circuit assembly.
随着电器产品小型、轻量、高密度和高可靠性的要求，印刷电路极微孔加工的难度越来越大。
Tiny holes machining on printed circuit board becames more and more difficult with the demand of small size, light weight, high density and good reliability of electrical equipments.
弥补现存印刷机的不足，印刷精密度高，操作方便，安全性高，适合于大型生产。
It complements existing printing machines. As the machine to improve the precision and worker's convenience and safety, it is suitable for mess productivity.
印刷质量的控制包括密度、色度、网点面积、阶调的控制。
Printing machinery, film, the network printing, etc. Printing quality control including density, chrome, dot, adjustable control.
根据摩尔定律，高速高密度印刷电路板(PCB)的设计变得越来越复杂。
According to the Moore's law, it becomes more and more complex to design high-speed and high-density Printed Circuit Board (PCB).
嵌入式无源元件技术能够实现对电容、电感等无源元件在印刷线路板内部的嵌入式封装，从而节省线路板表面空间、提高封装密度。
The embedded passive technology can save the real estate on the surface of the printed-circuits-boards (PCBs) by embedding the capacitors and inductors inside the PCBs.
嵌入式无源元件技术能够实现对电容、电感等无源元件在印刷线路板内部的嵌入式封装，从而节省线路板表面空间、提高封装密度。
The embedded passive technology can save the real estate on the surface of the printed-circuits-boards (PCBs) by embedding the capacitors and inductors inside the PCBs.
应用推荐