過硅鋁質 的英文怎麼說
中文拼音 [guòguīlǚzhí]
過硅鋁質
英文
persalane（c. i. p. w. ）-
A green and permanent modificant for hypereutectic al - si alloys
一種過共晶鋁硅合金的綠色長效變質劑We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上，實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程，並對裂化溫度（ 650 950 ） 、氣相停留時間（ 0 . 5 1s ）和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析，對各種催化劑材料的性能進行了比較，力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。According to the application feedback of the past two decades, s - sic out - performed rb - sic and other engineered ceramic such as alumina, tungsten carbide and graphite
過去二十幾年的應用結果顯示，常壓燒結碳化硅產品的性能明顯優于反應結合碳化硅及其他工程陶瓷（如氧化鋁、硬質合金、石墨） ，可直接取代這些產品的各種應用。Qualitative evaluation of molten al - si alloys by thermal analysis
過共晶鋁硅合金細化變質劑的研究The results show that, after transformation the size, shape and distribution of primary silicon in hypereutectic al - si alloy have a serious effect on the tool life and the machined surface quality of the alloy, the alloy whose primary silicon is fine, spread and dull angular has a better machinability
試驗結果表明：過共晶鋁硅合金經變質處理后組織中初晶硅的大小、形狀和分佈狀況對切削刀具壽命和合金的切削加工表面質量影響極大，具有細小、分散而形狀圓鈍化初晶硅的合金有比較好的切削性能。分享友人