powder reduction 中文意思是什麼
powder reduction
解釋
粉末還原-
Spherulites dimension also decreases due to the chemical changes occurred during pan - milling. viscosity test shows that chain scission occurred during pan - milling, which caused slight reduction of mechanical properties. polypropylene / polyamide 6 ( pp / pa6 ) ultra - fine powder was prepared through pan - milling at ambient temperature
通過磨盤碾磨在常溫下制備了聚丙烯/尼龍6 （ pp / pa6 ）超細復合粉體，其粒徑可通過碾磨時間、磨盤轉速、磨面靜壓力、碾磨溫度等工藝參數控s摘要一制。 -
W - cu composites prepared from the precipitation w - cu powder have higher sintered density, better mechanical and physical property, more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method. in chapter 5, a combination of homogeneous precipitation and ball - milling process, namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder
其中，球磨w一cu復合粉（ hp一m ）壓坯在1150下燒結30min后，可獲得相對密度大於99 %的幾乎全緻密的超細晶粒w一cu復合材料， w的顆粒度小於0 . 5林m 。 -
Abstract : by analyzing theae factors which influence the reduction process and ferrous powder ' s quality, reduction temperature, reduction time, scale thickness and additive quantity are chosen to discuss their effect on the chemical composition and the crashed property of sponge iron
文摘:分析了馬鋼軋鋼鐵鱗的原料狀況，選取還原溫度、還原時間、料層厚度和添加劑等工藝因數來研究它們對海綿鐵化學成分和破碎性能的影響規律，為海綿鐵的工業生產提出合理的工藝制度。 -
Abstract : the technologic factors which influence the composition of iron powder are investigated, such as secondary reduction temperature, time, scale thickness. the available technologic systems that are employed to produce high quality iron powder are brought forward
文摘:研究了二次精還原溫度、時間、生粉料層厚度等工藝因素對鐵粉化學成分的影響，提出了工業生產高品位鐵粉的合理工藝制度。 -
Abstract : taken as materials, ammonium paramolybdate, molybdenum tri - oxide, molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures, and by analyzing the grain size, oxygen content and mo rphology of the molybdenum powders obtained, the effects of reduction processing on the grain size and oxygen content of the molybdenum powder of different layer s in the same boat are discussed
文摘:以仲鉬酸銨、三氧化鉬、二氧化鉬和鉬粉為原料，採用不同的溫度和不同的料層厚度進行了還原試驗，分析了所得鉬粉的粒度、氧含量和形貌，剖析了同舟內不同層次鉬粉的粒度和氧含量的變化規律。 -
Taken as materials, ammonium paramolybdate, molybdenum tri - oxide, molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures, and by analyzing the grain size, oxygen content and mo rphology of the molybdenum powders obtained, the effects of reduction processing on the grain size and oxygen content of the molybdenum powder of different layer s in the same boat are discussed
以仲鉬酸銨、三氧化鉬、二氧化鉬和鉬粉為原料，採用不同的溫度和不同的料層厚度進行了還原試驗，分析了所得鉬粉的粒度、氧含量和形貌，剖析了同舟內不同層次鉬粉的粒度和氧含量的變化規律。 -
Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small
文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。 -
Preparation of nanometric ag powder by solution chemical reduction method
液相化學還原法制備納米銀粉 -
Preparation of cobalt powder for cemented carbides by glycol reduction
乙二醇還原生產硬質合金用鈷粉 -
The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。 -
Water atomization is a technique that can commercially and high - efficiently manufacture iron & steel powders. the key in their production technique is the high - pressure water atomization and the green powder reduction at an elevated temperature
水霧化制粉是一種適用於規模化、高效率生產高性能鋼鐵粉末的技術，其生產技術的核心是高壓水霧化技術和原生粉末高溫還原技術。 -
The company is specialized in producing of mesh - belt continuous sintering furnace 、 pusher - type high temperature sintering furnace 、 steel - belt iron powder refining reduction furnace （ electric - heating rbo furnace and direct gas - burning heating rbo furnace are also produced ） 、 pressure bell type furnace 、 carburizing quench furnace and some kinds of accessorial equipments
目前生產項目有：網帶式連續燒結爐、推桿式高溫燒結爐、蒸汽處理爐、鋼帶式鐵粉還原爐（電加熱、氣體燃燒直接加熱rbo型均生產） 、加壓鐘罩爐、滲碳淬火爐及各種輔助設備。 -
The development trend of painting technology for automobile vehicle was discussed revolving around three themes on eviromental protection, high quality and cost reduction, and from eight aspects involving pretreatment, cathodic electrophoretic painting, film filtering, automatic electrostatic painting, electrostatic powder painting, drying, coats for automobile and painting management
摘要從漆前處理技術、陰極電泳塗裝技術、膜過濾技術、自動靜電塗裝技術、靜電粉末塗裝技術、烘乾技術、汽車塗料和塗裝管理等8個方面圍繞環保、高質量、降成本3個主題，展望21世紀汽車塗裝的發展趨勢。 -
During the deep - hole blasting for the excavation of guishan quarry for construction of baoquan pumped storage hydropower station, the blasting powder factor and the charging concentration of the blasting powder in the rock are reasonably controlled, and then the rate of blasting chunk is greatly decreased with the reduction of the working amount of the boulder blasting afterwards in conjunction with the suitable excavator and crusher etc
摘要在寶泉抽水蓄能電站工程龜山料場開挖的深孔爆破中，合理控制了爆破單位耗藥量和炸藥在巖石中的集中度，最大限度地降低了大塊率，並結合使用適宜的開挖及破碎機械等措施，從而減少了二次爆破工作量。 -
The process of copper metallizing of carbon powder was investigated. the hydrophilicity, sensitization, activation and reduction were also studied. the copper deposit could be made thicker by electromagnetic agitation
摘要研究了在碳粉表面電鍍銅的工藝。首先對碳粉表面進行親水、敏化、活化和還原處理，然後在其表面化學鍍銅，形成導電膜，再採用電磁攪拌的方法電鍍銅，使鍍層加厚。 -
6 ) according to character of zone which shen - dong diggings locates, put forward main measures of environment protection and zoology build in shen - dong diggings and surround it, full analysis water resource carrying capacity, study cleaning mining technique from reduction waste rock, fathering powder dust and deal exhaust gas pollution aspects, found environment ensuring system of sustainable development of shen - dong diggings
6 ）根據神東礦區所處地域的特點，提出了神東礦區及其周邊地區環境保護與生態建設的主要措施，對礦區水資源承載能力進行了全面分析，從減少井下出肝量、井下粉塵治理、井下廢氣污染治理等方面研究了礦山潔凈開采技術，建立了神東礦區可持續發展的環境保障體系。 -
In this paper, the vsi is produced by powder metallurgy. various alloy elements added, porosity and microstructure of materials is considered to affact the vsi ' s property ; matching between the working and none - working layer of vsi is discussed ; and the cost reduction of two - layer vsi is analysed as well
研究了各種合金元素的添加、孔隙率和顯微組織對閥座圈工作性能的影響；討論了雙層閥座圈工作層與非工作層之間的匹配；分析了雙層閥座圈在成本上的優勢。 -
In this paper, micronized coal powder reburning technology is brought forward and a series of exploring research work is carried out aiming at the key issues of fuel reburning such as nox reduction efficiency and burnout rate
本文針對燃料再燃的脫氮效果、煤粉燃燼等關鍵問題，提出了超細煤粉再燃降低nox排放的技術，並對此進行了一系列探索性的研究。 -
Preparation of co - b amorphous powder by chemical reduction and investigation of crystallization kinetics of this powder
非晶粉末的化學還原法制備及晶化研究 -
Uranium in uranium dioxide powder and pellets - determination of uranium ferrous sulfate reduction - potassium dichromate oxidation titrimatric method
二氧化鈾粉末和芯塊中鈾的測定硫酸亞鐵還原-重鉻酸鉀氧化滴定法
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