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| Black and white photo developing
, But the use of moderate 3. Unconventional imaging technology in the development process, such as found in the local density of the photo or the whole picture of the density of shallow shallow, resulting in poor quality photo developing waste caused by fraudulent claims, in which case, it is necessary to adopt certain technical measures This is different from the conventional developing remedies. 1) The local temperature imaging technique is sometimes room for optical amplifier or a light bulb safety of incorrect use of a long time, resulting in uneven light-emitting amplifier, local light dim, or negative on the local density, this process should be exposed to enlarge in light of the above-mentioned parts of the purposes of block j plus a 1 - r'r j 1997 Photographic Materials of plus rescue,uggs nederland, but due to lack of technical experience is not done, then the local density of development appeared pale when the phenomenon, to be used local temperature imaging technique to solve them. Approach is to develop into the gray density levels in the water dish photo into a temporary suspension of development, and then use small-Sheng 40 to 50 ml developing solution and add a certain amount of hot water, the liquid temperature reaches 50C or so, then Remove the water tray was to be photographs, hand (or cotton balls) dipped in hot developer of the shallow parts of the local density rubbing development, the photos from time to time for a shabu shabu in the water tray (anti-flowering), repeatedly dip imaging Developing Java repeatedly rub, prompting increased density of light-density parts, the general will be able to do 3 to 4 times over the light-density parts of remedy and then stop developing the park was re-fusing 3O seconds. 2) Forced imaging technique to enlarge the exposure, the estimated exposure time the lack of solid experience, or test sample to determine when the exposure time is not accurate, or if the lack of exposure, such as ways to use the extended development time developing 8 to 10 minutes is not necessarily the line . Imaging methods such as the use of forced, in a short time to complete. Approach is to develop a developing tray next to the other home plate, taking about 200 ml of developer and add 50 ~ 60C together with 200 ml hot water into the dish, then remove the photos from the original disk imaging, into Canada temperature of the developing disk imaging, disk imaging and shake to note that the high temperature liquid,ugg boots günstig, developing very rapidly (typically about 1 minute Serve), to observe, once the density of the depth of the right photo,goedkope uggs, right into acid solution was stopped for 30 seconds to 1 minute was stopped. Developing high impact black and white photo of better performance, produced by forced fog developing methods Buzhi Yu. 4. Developer preparation and precautions are alkaline developer in the developer in there to prevent other impurities. This solid, prepared by the developer to use soft water or cool boiled water. Preparation, the overall solution to water 3 / 4 as the pre-dissolved water,true religion, the water temperature control is about 50C, the temperature is low, especially drugs slow dissolution of sodium sulfite, high temperature oxidation of the formula is easy to contrast respectively contained in drugs the amount of that good, in turn gracefully, by order of the formula, each melt, stirring gently every solution of a drug, to be melted into second place after drug, after melting, and then into the third ... ... in order to melt. All drugs are to be melted, add water to a total end to this preparation. Characteristics of the developer requirements, in the preparation should pay attention to following points: 1) the weight of each drug to call accurate, otherwise, affect the developer performance. 2) The dispensing container, measuring tools to clean, not stained with dirt. 3) The formula used in the drug quality is better, do not use deliquescence bad, otherwise, impurity content, the quality of developer 4) Note that the formula without comment, for example, water and crystallization of the other, do not use the wrong 5) Once dregs preparation for its full hybrid, to be placed 24 hours, and then put to use better. Subscribe 1998 \highlight the characteristics of the chemical industry in Liaoning earth, while aging at home and abroad and chemical research, design, production and development work and high achievement exchanges. 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