ultra fine powder 中文意思是什麼
ultra fine powder
解釋
超細粉-
The massive tripoli is a kind of soft siliceous rock which is composed of cryptocrystalline quartz. the rock could be prepared for active ultra - fine quartz by airflow pulverization and surface modification. the ultra - fine siliceous powder is a kind of high - quality filler in plastics and rubber
塊狀硅土礦是一種由隱晶質石英組成的松軟硅質巖，通過氣流粉碎與表面改性制備出的活性超細石英粉是一種優質的橡塑填料。 -
Preparation of ultra - fine dibasic lead phosphite powder by precipitation method
化學沉澱法制備超細二鹽基亞磷酸鉛粉體 -
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 。 -
Synthesis of ultra - fine crn powder with high purity by ammonolysis method
氨解法制備超細高純氮化鉻粉體的研究 -
Nanometer ultra micro powder technology makes the ultra micro powder pearl powder more fine and smooth, like feather adhering to your skin, aiming to modify yellow and uneven skin color tone, presenting transparent, sunny, and crystal white perfect skin condition for 24 hours
好處：納米超微細粉末技術使超細珍珠粉更細更滑，如羽毛般輕柔附著于肌膚，修飾偏黃和不均的肌膚色調，讓肌膚24小時呈現清透明媚、白皙晶瑩的完美狀態。 -
In this paper, a series of ultra - fine fly ash composite powder ( cufa ii ) products for rapid repair are researched and developed successly with the ultra - fine fly ash as matrix. cufa ii can replace cement equivalently more than 30 %. high performance rapid repair concrete ( hprrc ) in which cufa ii replaces cement equivalently more than 30 % can meet the requirements of opening traffic within 12 ~ 48h, which solves the problem of opening traffic as soon as possible after damaged portland cement concrete pavement are repaired for a whole plate, and the engineering cost is lowered greatly
本文以超細粉煤灰為基材，研製並開發出粉煤灰復合超細粉快速修補專用摻合料（ cufa ）系列產品，等量取代水泥30 ，配製的高性能快速修補砼（ hprrc ）在12 48h內達到開放交通的要求，解決了破損的水泥砼路面整板翻修后快速開放交通這一問題，並大大降低工程成本。 -
It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed
結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。 -
An ultra fine cemented carbide with tungsten powder and binder cobalt
一種由碳化鎢和粘結金屬鈷組成的超細顆粒硬質合金。 -
To obtain the ultra fine atc ceramic with fine, uniform grain and high mechanical properties and solve the problem of brittle of ceramic, the technique of electroless cobalt plating under low temperature and ultrasonic was used to get a cobalt deposition on nano / micro al2o3, tic ceramic. the nano / micro al2o3 - tic - co composite powder with different cobalt content was prepared by changing the load. the composite powder was then hot - pressed into a ultra fine composite ceramic
為了得到品粒細小、均勻，力學性能優異的co - al _ 2o _ 3 - tic （ atc ）復合陶瓷，解決陶瓷的脆性問題，本文在化學鍍鈷制備高性能atc復合陶瓷的基礎上，採用超聲波化學鍍方法，以提高鈷在陶瓷粉末以及al _ 2o _ 3與tic陶瓷顆粒之間的分佈均勻性，以期進一步提高atc陶瓷的力學性能。 -
The development of ultra fine powder classification
超細粉體分級技術研究進展 -
( 3 ) in present paper, pan mill type equipment is developed to make fine or ultra - fine waste rubber powder and polypropylene / waste tire rubber composite powder at ambient temperature
Pp wtr復合材料斷面形貌和dmta研究結果表明，共碾磨能促進膠粉在pp基體中的分散性，提高材料的阻尼因子和抗沖擊強度。 -
Preparation of ultra - fine powder for co - mn - ni thermistor ceramics by liquid - phase method
熱敏電阻超微細粉體的液相法制備 -
The study status of dry classification theory of ultra - fine powder was reviewed, and the trend of ultrafine powder classification was prospected
摘要綜述了超細粉體干法分級的理論研究現狀，並對超細粉體分級的發展趨勢進行了展望。 -
Based on the basic principles of densified systems containing homogeneously arranged ultra - fine particles ( dsp ) and reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, silica rume, ultra - fine fly ash, quartz powder, 52. 5 - class portland cement and superplasticizer were selected and mixed, the theoretic of mixed steel fiber reinforced cement - based composite materials and of micro - aggregate filling voids were applied, the composition was adjusted, the mixture ratio of rpc was optimized, a suitable curing schedule was adopted, in the result, an ultra - high performance concrete designated rpc was successfully prepared by normal technology methods
本文基於超細粒聚密材料（ dsp ）和活性粉末混凝土（ rpc ）配製的基本原理，選用硅灰、粉煤灰、石英粉和硅酸鹽水泥，輔以高效減水劑，採用多重復合的技術路線，運用混雜鋼纖維增強理論和微集料填充密實原理，調整材料組成，優化混凝土配合比，結合適宜的養護制度，在現有技術條件下，成功制備出了rpc200材料。 -
According to that criteria, high performance cement based materials should include : micro - defect - free cement ( mdf ), densified system containing homogenously arranged ultra fine particles ( dsp ), reactive powder concrete ( rpc ) and so on
其它新的高性能水泥混凝土材料還包括:無宏觀缺陷水泥基材料（ mdf ） 、均布超細顆粒緻密體系（ dsp ） 、活性粉末混凝土（ rpc ）等。 -
Progress in preparation and application of ultra - fine nio powder
粉體的制備及其應用研究進展 -
Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated, studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior, the solid circulation rate, the gas flow distribution in the spout and the annulus, and the solid flow in the annulus
本研究以平均粒徑為5 m的caco _ 3超細粉為物料，對超細粉在導向管噴動床中的流化行為進行了系統的實驗研究，考察了床層結構和操作條件對起始噴動行為、固體循環速率、氣體在床層雙區中的分配以及固體顆粒在環隙區中的流動等氣固兩相流動特徵的影響。 -
Depending on the densified system containing homogeneously arrayed ultra - fine particles ( dsp ) and the basic principles of reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, considering the characteristics of ultra - fine addition which can improve the workability and micro - structure of cement based materials and enhance the cementitious materials " packing density, we added blast slag silica fume crushed quartz superplasticizer and steel fiber into portland cement to produce the rpc by normal technology methods
本文以活性粉末混凝土（ reactivepowderconcrete ，簡稱rpc ）的基本配製原理為基礎，結合近幾年來人們對高性能混凝土研究所提出的要求，選擇適合本地實情的材料，在傳統rpc的配製基礎上，摻入礦渣組分，配製出了抗壓強度達135mpa的活性粉末混凝土材料。本文對摻礦渣rpc的配製技術及其相關的性能作了系統的研究。
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