進礦取樣 的英文怎麼說
中文拼音 [jìnkuàngqǔyàng]
進礦取樣
英文
head sampling-
Method for samplling and sample preparationof chrome ores in bulk for import
進口散裝鉻礦石取樣制樣方法The main contents of the course design include : estimating the prospect of a deposit ; analyze the variability of the ore bodies, selecting the exploration area and means ; arrangement of exploration engineering ; methods of sampling, compiling and reserve calculation ; budget of exploration investment ; calculation of total profit after mining and economic appraisal ; drawing necessary figures and tables and compilation of the exploration report
礦床勘探課程設計的主要內容是估計礦床的遠景;分析礦體的變化性;選擇勘探范圍，勘探手段，勘探工程布置形式;確定取樣，編錄和儲量計算方法;進行勘探投資預算，計算開采后的總利潤，並進行經濟評價;繪出必要的圖表，並寫出文字報告According to the results of high resolution experimental observation for 251 rock samples from yanzhou mining area, various mineral phases and assemblages in pores of red - bed are revealed and their genesis discussed
摘要利用高分辨實驗觀察，對取自充州礦區的251塊巖樣進行了系統分析，直觀地揭示了紅層孔隙中多種礦物相及其組合特徵，並探討了其成因。Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis ， the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump
文摘:採用具有線性相位的b樣條小波，應用圖形顯示演算法並結合小波變換快速演算法將信號分解到不同的頻帶上，且分解結果和原信號長度保持一致，可對信號進行深層次的處理，克服了傳統的信號處理方法不易提取微弱信息的不足.通過對礦用斜軸式柱塞泵振動信號的分析，分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵，為液壓泵的故障診斷提供了依據，並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。Soil quality - sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil
土壤質量.為測定新鮮土壤中礦物氮含量對土壤進行的取樣和樣品的儲存The study of phase formation of the polycrystalline la1 - xagxmno a series of polycrystalline la1 - xagxmno3 samples with x range nominally from 0. 05 to 0. 45 were investigated, and found that the critical phase temperature has close relation with the content of silver in the sample. and pointed out in the case of agl + doped in lamno3, when x achieved a fixed value ( x = 0. 15 ), ag would separate out, ag - rich phase appeared, samples became compound phase
並且當銀含量達到一定程度時會有單質銀析出，我們認為這是因為銀離子在溶膠?凝膠的過程中被還原成單質，以銀團簇的形態存在於樣品中，隨著燒結溫度的提高，銀原子逐漸被氧化成銀離子，取代la ~ （ 3 + ） ，進入晶格，形成鈣鈦礦結構。分享友人