粉末相機 的英文怎麼說
中文拼音 [fěnmòxiāngjī]
粉末相機
英文
powder camera- 粉 : Ⅰ名詞1 (粉末) powder 2 (用澱粉製成的粉條或粉絲) noodles or vermicelli made from bean potato o...
- 末 : Ⅰ名詞1 (東西的梢;盡頭) tip; terminal; end 2 (非根本、非重要的事物) nonessentials; minor detai...
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 機 : machineengine
- 粉末 : powder; flour; stive; smalls
- 相機 : watch for an opportunity camera
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One of the most common bone substitutes used in clinic is polymethylmethy aery late ( pmma ). pmma can be described as an alloplastic, synthetic, nonbiodegradable polymer which has considerable versatility. however, a common problem associated with the application of pmma is the loosening
以有機玻璃作為母相,摻入一定比例的羥基磷灰石( ha )粉末,是一種較為有效的改善生物活性的方法,因為羥基磷灰石是人體硬組織的一種無機組分,與骨組織有良好的相容性和親和力,能誘導其周圍骨組織的生長。Chapter 5 preparation and characterization of nanometer bismuth oxide nanometer bi2o3 was prepared by both solid - phase method and nitrate hydrolyzation method
第五章納米氧化秘的制備與表徵本部分以無機鹽為原料,採用硝酸鹽水解法和固相法制備了納米級氧化秘粉末。The technique of producing metal matrix composite include powder metallurgy, casting ( including stirring casting process, in situ contact reaction process, liquid - phase metal infiltration process, co - spray deposition forming process ), reaction mechanic alloying process
制備金屬基復合材料的工藝分為粉末冶金法、鑄造法(鑄造法細分為攪拌鑄造法、原位接觸反應法、液相浸滲法、共噴射沉積法) 、反應機械合金化技術。The ultrasonic can also afford the energy that the electroless plating need so that the coating speed is rapider than the normal low - temperature electroless plating, then reduce the cost. the ultrasonic has great advantage in dispersion compared with the normal mechanical mixing
同時相比較傳統的機械攪拌分散工藝,超聲波分散具有明顯的優勢,可以大大提高顆粒的分散性,使復合粉末中各組成更為均勻。Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction
利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed
第三部分,即論文的第五章,我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜,並且以脈沖激光刻蝕法制備了水銀膠,以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜,通過對其拉曼光譜進行了初步指認,了解由於中心原子的不同,三種金屬有機化合物分子振動的相同和區別。Firstly the interactional principle of laser and material, the physical and chemical properties of the thermoplastic plastic is studied in theory, and the laser sintering mechanism of powder is also studied
首先從理論上分析了激光與材料相互作用原理和熱塑性塑料的物理、化學性質,並且研究了粉末激光燒結機理。By the xrd phase analysis of the pre - sintered and sintered composites and the sem image of fracture microstructures of the composites, the sintering process and the sintering mechanism of the composites are investigated in detail
通過燒結前後復合材料的粉末x射線物相分析及復合材料斷面微結構的觀察,詳細研究了復合材料的燒結過程和燒結機理。The methods of thermal spray and mechanical ball milling are combined in this paper and a new method of preparation of cu - zn ultrafine powders is brought forward
本文將熱噴塗法與機械球磨法相結合,提出一種新的超細銅鋅粉末的制備方法。Abstract : study is made of recovery of organic reagents during the preparation of ultrafine powder by metal alcoxides hydrolysis. the phase diagrams of isopropanol - benzene system and isopropanol - benzene - water system have been plotted, based on which, isopropanol and benzene can be recovered and recirculated by distillation - rectification process. the recovery and reused rate of alcohol and benzene are above 75 %. so both the environmental pollution and cost of ultrfine powder are reduced
文摘:對醇鹽水解法制備超細粉末過程中有機試劑的回收進行了研究,繪制了異丙醇-苯的二元相圖和異丙醇-苯-水的三元相圖,在此基礎上採用蒸餾-精餾的方法對制備體系中的異丙醇和苯進行回收,將有機試劑循環使用,使醇和苯的回收利用率達75 %以上,因而減少了環境污染,並降低了粉末成本。In this paper, the mechanical alloy technology ( ma ) was adopted. through the designing and optimizing of the ma technology and liquid phase sinter technology, the new electrician alloy - mo - cu was made
本文採用粉末冶金的非平衡制備高新技術?機械合金化法,通過機械合金化工藝、粉末生坯壓制工藝和液相燒結工藝的設計與優化,制備出了mo - cu高比重合金。The xrd dates were refined by rietveld method of whole pattern fitting by using the computer progress of dbws - 9411, and then the exact crystal structures were got
用計算機程序dbws - 9411 ,對yag的粉末衍射數據進行了rietveld全譜圖擬合,得到了準確的物相結構。X - ray diffraction analysis and mult - peak separation applied software procedure analysis were used to determine the crystal phase and amounts of each sample. the influences of dipping time of dipping two kinds of phosphate saturable solution on the structure and the properties of kiln furniture were studied
探討浸漬兩種磷酸鹽飽和溶液的浸漬機理,並用掃描電鏡的分析結果加以驗證;採用x -射線粉末衍射分析與多峰分離應用軟體程序分析、確定各試樣的晶相,計算各晶相的含量。It is now known that using powder with fine particle size and homogeneous distribution of ingredients can improve the sinterability of a powder compact, especially in w - cu system, for which the dominant sintering mechanism is particle re - arrangement during the liquid - phase sintering
而超細、混合均勻的粉末能較大地改善粉末的燒結性能,對以顆粒重排機制為主導的w - cu系液相燒結尤為如此。Based on the experimental results and the correlative chemistry theory, the phases formed in the process and its influenceable factors were studied. the significant results were enumerated as follows : as for the mn - h2o system, 5g pure mn scraps ( 99. 5 %, - 200mesh ) and distilled water served as the starting materials were milled by high energy ball miller together with 200g steel balls as the milling medium. the experiments were conducted with the rotation speed of 380rpm. - mn3o4 nanopowders were fabricated after milling some time and would experienced phase transformations if continue to be milled. the reaction would be accelerated if a little of hcl or mnso4 was added while be decelerated if. a little of naoh was added. the - mn3o4 phase with particl size between 20 ~ 100 nanometer was obtained after milling 1. 5h when trace hcl was added. the oxygen added to the ball tin has little effect on the reaction
主要實驗結果如下: ( 1 )對于mn - h2o系,通過高能行星式球磨機,在50ml蒸餾水中球磨5gmn粉末,球料比為40 : 1 ,轉速為380rpm ,球磨一定時間后獲得了納米級單相- mn3o4 。隨著球磨時間的延長,生成的- mn3o4會繼續被氧化或發生晶型轉變。加入微量hcl或mnso4會明顯加快mn的反應,加入hcl后,球磨1 . 5h后即獲得粒徑為20 100nm的單相- mn3o4粉末;加入微量的naoh會抑制mn反應生成- mn3o4 。Pulse electric current sintering is an advanced technology for materials synthesis and one of effective methods for preparation nano - structure ceramic. but the sintering mechanism is different with traditional sintering method. the sintering phenomena of oxide nano - powders have been investigated in this paper
放電等離子體燒結技術( sps )是材料制備新技術之一,也是制備納米相陶瓷的有效方法之一,但燒結金屬氧化物納米粉末過程中的緻密化機理與傳統理論有一定的區別,本文對脈沖電流燒結金屬氧化物納米粉末進行了系統研究。分享友人