彩扩设备的维修

1 扩印设备的维护保养 建立良好的彩色扩印设备维护保养制度,可以降低彩扩设备使用故障率,延长设备的使用寿命,保障并稳定扩印质量.彩扩设备维护保养的重点是冲卷机和彩扩机的冲纸部分.彩色冲洗药液都有一定的腐蚀性,对设备的腐蚀在所难免.此外,冲洗药液易产生结晶或发生一些化学反应,都能导致底片和照片质量的下降,因此彩扩设备的维护保养意义重大.     

RA—4相纸和套药的优点及在我国推广的可能性

本文从国内外彩扩市场的现状及新一代ＲＡ－４工艺彩色相纸及冲洗套的优点，叙述了在我国推广、普及使用这类新产品的可行性和必要性。     

数码照片输出类型及产品性能

1数码照片冲印技术与主要产品 简单说,数码冲印就是用彩扩的方法,将数码图像在彩色相纸上曝光,输出彩色照片,这是一种高速度、低成本、高质量制作数码照片的方法.     

武汉市樱花摄影器材有限公司

本公司前身为“武汉市江岸区樱花医械照相器材经营部”成立于1992年6月，是湖北地区专营世界知名品牌和国内名优品牌照相机、照相器材、感光材料、影像设备、彩扩设备、彩放设备、数码影像设备，摄影专业书籍，以及彩色冲印，后期制作的大型综合企业。     

用酸洗废液生产氧化铁系颜料

目前,工业酸洗FeSO_4废液在我国还没有得到很好的利用,大部分生产厂家将废液排放到江河湖海,严重污染环境,浪费大量的资源。而在氧化铁颜料的生产中,却又需要FeSO_4原料。充分利用酸洗FeSO_4废液生产氧化铁颜料,既可消除污染,又节约了原材料。氧化铁系颜料是重要的无机彩色颜料。国外利用工业酸洗废液制取氧化铁系列产品,早有报道,国内在铁片法合成氧化铁     

彩扩废水处理技术研究进展

彩扩废水中含有大量的有毒有害物质,是存在于人们身边的危险废物,必须对其进行妥善处理.综述了彩扩废水的提银技术及后续处理方法.     

含镍三氯化铁蚀刻废液除镍研究

本文研究了彩色显像管用荫罩生产厂家所产生的含镍三氯化铁蚀刻废液中镍的去除。先用铁粉将 3价的铁还原．再以硫磺和铁合成的硫化亚铁沉淀除镍．取得了好的效果．开发出了妥善处理此类废液的经济、可行的新技术。     

沈阳彩色照相冲印市场现状─—1996年第三季度省抽检综述

彩色照相在当今社会生活中已处于十分重要的地位，它不仅在生产、科研、新闻出版和信息等许多领域中发挥着重大作用，而且对丰富广大人民群众的文化生活，更是不可缺少的。彩色照片质量的优劣直接关系到各行各业和千家万户的切身利益，要获得一张满意的照片，不仅需要性能良好的照相机和彩色胶卷，以及一定的摄影技巧，而且还必须将已拍摄完毕的彩色胶卷，冲洗扩印出画面清晰、色彩饱和、彩色还原真实的照片。为了促进沈阳市彩扩行业的健康发展，进一步提高彩卷冲洗和扩印彩色照片的质量，保护消费者的利益，在1996年第三季度，受辽宁省技术…     

离子交换树脂在ECP-2工艺加工药液回收处理中的运用

电影洗印厂大量的废水和废液的排放,会造成严重的环境污染。保护生态环境,是我们每个生活在这个地球上人的共同责任。为了解决这个问题,洗印厂将彩色显影液和停显液经过回收处理再循环使用,从废液中提取CD2的含量,这对环保和经济上都是有益的。本文从使用离子交换树脂的原理、阴离子交换树脂净化彩色显影液、阳离子交换树脂净化停显液、停显液里CD2含量的分析方法和离子交换树脂的运用作了较详细的叙述。     

乐凯彩扩纸真棒

近日去彩扩店扩照片,店主说彩扩机里装的是乐凯彩扩纸,质量不错.以前来扩印照片皆采用柯达、富士或柯尼卡彩扩纸,今天碰上了乐凯纸就试试吧!     

Coloration mechanism of the acrylonitrile solution of N-phenylmaleimide and its stabilization method

N-Phenylmaleimide (PMI) was used as an acrylonitrile (AN) solution which is convenient to handle because PMI is an irritative solid and difficult to handle. However, the PMI solution tends to color during storage upon heating and its yellow color is apt to become brownish. Impurities contained in the colored PMI solution were isolated and their structures identified. Azobenzene (AZB) and N, N′-diphenylhydradine (DPH) are the compounds which cause the color change in the solution. The extent of the coloration of the PMI solution increases with increase in the contents of AZB and DPH. It is considered that AZB and DPH are produced by the oxidation of aniline (ANL) generated by the hydrolysis of PMI in the solution. The addition of the antioxidants under a low concentration of oxygen was examined to prevent coloration of the solution based on the proposed mechanism of the coloration. These conditions proved to be sufficiently effective for stabilization of the solution. Furthermore, it was also confirmed that the extent of coloration of the polymer prepared from the stabilized solution is effectively minimized. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 64:2037–2045, 1997     

食用天然桑椹色素的性质及应用研究

对食用天然桑椹色素的性质进行了研究，该色素对热及光照具有稳定性，桑椹红色色素随溶液ｐＨ值的改变发生颜色变化，变色灵敏，可作酸碱指示剂，对桑椹色素做了应用实验。     

常温高稳定性彩色磷化工艺研究

为提高彩色磷化液的稳定性,开发了一种常温高稳定性彩色磷化工艺,用正交试验确定了磷化液组分及添加剂的用量,并对磷化液,磷化膜的性能进行了检测,结果表明：所得磷化膜蓝紫色到彩虹色,色泽鲜艳均匀,耐蚀性优良,磷化液稳定性高,沉渣少,使用寿命长,生产成本低,适用于钢铁件的一般性装饰和涂装底层。     

板栗壳色素性质的研究

研究了板栗壳色素的紫外－可见吸收光谱、溶解性，以及pH值、金属离子、光、热、氧化剂、还原剂和常用食品添加剂对色素性质的影响。结果表明，板栗壳色素易溶于极性溶剂，在不同pH值水溶液下呈不同的颜色，有较好的耐热性和抗氧化还原性，金属离子Ca^2 、Mg^2 、Ba^3 、Na^ 、K^ 对色素水溶液颜色的影响较小，但Fe^3 、Pb^2 、Cu^2 有不良影响，食盐、蔗糖和葡萄糖对色素水溶液的颜色影响也小。     

Method for measuring color of soybean oil

Summary 1. The specific light absorption coefficients of concentrations of iodine (100 to 2,000 mgs. per liter) in two per cent potassium iodide solution in water at 560 milli mu are given. These absorption coefficients are proportional to the concentration. 2. The molecular extinction coefficients of two solutions of iodine (0.00788 and 0.0394 molar I₂) in two per cent potassium iodide solution in water at nine wave lengths from 460 milli mu to 640 milli mu are given. These values for both concentrations are in close agreement. 3. Within the limits studied solutions of iodine in two per cent potassium iodide solution in water obey Beer’s law. 4. A rapid, convenient and reliable colorimetric method for determining the color number of soybean oil is described. The color number is expressed as the number of milligrams of free iodine per 100 c.c. dissolved in a two per cent solution of potassium iodide in water, of which a 50 millimeter column just matches a 50 millimeter column of oil. 5. The spectral transmission curves of a solution of iodine in a two per cent solution of potassium iodide which matches the color of soybean oil, and of the oil are very similar. A paper presented at the eighth fall meeting of the American Oil Chemists’ Society in Chicago, October 11, 1934 Part of these data are from a thesis submitted by G. E. Halliday to the Faculty of the Graduate School of Purdue University in partial fulfillment of the requirements for the degree of Master of Science, August, 1934.     

谈谈轿车外饰件喷涂中影响颜色控制的一些因素

通过对喷涂过程中影响色差的关键因素分析,以期对轿车外饰件喷涂工艺的控制提供可行的方案。     

单光照条件变化的镨/钕元素组分含量软测量

针对镨/钕稀土萃取工业生产现场光照条件变化导致具有颜色特征的镨/钕组分含量难以准确检测的问题，提出了一种基于单光照条件变化的组分含量软测量方法。首先，采用参数优化的Grey Edge算法，将不同光照条件下的稀土溶液图像校正到标准光照下；然后，以镨/钕溶液图像HSI颜色空间中的H、S、I分量一阶矩为模型的输入变量，利用加权最小二乘支持向量机（WLSSVM）建立组分含量软测量模型；最后采用工业数据对所提方法进行仿真实验，结果表明所提方法在不同光照条件下均能满足稀土萃取过程组分含量检测的准确度和快速性要求。     

油茶皂素脱色及色泽评价方法比较研究

采用过氧化氢/凹凸棒土耦合体系对油茶皂素进行脱色,考察了过氧化氢用量、温度、时间和凹凸棒土用量对脱色率的影响,探究了皂素脱色的最佳条件,并比较了分光光度计法、分光辐射亮度计法、罗维朋比色计法、色阶比色法和直观拍照法等不同色泽评价方法对皂素颜色测定的优劣。研究结果显示：最佳脱色条件为H₂O₂用量6%,温度80℃,时间3 h,凹凸棒土用量3%,此条件下皂素呈现乳白色。5种色泽评价结果基本相近。分光光度计法可对茶皂素色泽精确定量分析;分光辐射亮度计法适用于较小色差情况下的颜色评价;罗维朋比色计法在需要对茶皂素溶液进行较广泛的色泽分析场景中具有优势;色阶比色法操作简便,可行性强;直观拍照能对以上方法佐证。     

Applying image‐based color palette for achieving high image quality of displays

In the highly competitive display market, manufacturers continuously develop new technologies to improve the image quality of displays. However, color measurement and visual assessment are time‐consuming to production lines. A new method to measure and improve color quality of the displays automatically therefore, is urgently needed to the manufacturers. This article proposes a familiar color correction strategy to optimize the colors of different displays by means of creating an image‐based color palette which enables color correction for familiar objects (e.g., facial skin, blue sky, or green grass) in the multidisplay systems. To produce the image‐based color palette, the 8‐bit RGB value of each pixel in an image is transformed to L*d*n* (lightness/dominant color/nondominant color) color channels, and the dominant‐color regions in an image are subsequently extracted from the dominant color (d*) channel. The memory color data of familiar objects can be set in reference monitor in advance to determine the dominant color (d*) channel. Then a series of palette colors are generated around a displayed image. The color palette will be displayed as a target for two‐dimensional colorimeter shooting to obtain the measured color data. The familiar color correction model was established based on a first‐order polynomial regression to achieve a polynomial fit between the measured color data and the reference color data on the color palette. The proposed method provides a solution to correct familiar colors on a displayed image, and maintains the original color gamut and tone characteristic in the multidisplay systems simultaneously. It is possible to achieve the preferred intent of the displayed images by using the proposed familiar color correction method. © 2012 Wiley Periodicals, Inc. Col Res Appl, 39, 154–168, 2014