精礦試樣 的英文怎麼說
中文拼音 [jīngkuàngshìyàng]
精礦試樣
英文
concentrate sample-
The floatation concentrate of anthracite ( ant ) was heat - treated with different maximum heat treatment temperature ( httmax ). the microstructures of the samples heat - treated with different httmax were characterized by their densities and xrd spectra
將無煙煤（ ant ）的浮選精礦進行不同最高熱處理溫度（ htt _ （ max ） ）的熱處理，用密度和xrd圖譜來表徵熱處理后ant試樣的微觀結構。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。On the basis of the an integrated study on strata, magmatic - volcanic activities, geochemistry as well as geophysics and remote sensing imagines, three subtectonic units were divided. 2, metallogenic series of copper deposits with the elapse of time, the tectonic - magmatic evolution went on from south to north, which resulted in regular production and spatial distribution of ore resources, correspondingly forming east tianshan copper, gold, nickel, iron, silver clucters of mineral deposits. in the light of the concept of metallogenic series by cheng yuqi, chen yuchuan et al.,
本文立足於東天山地區銅及其多金屬礦床的野外地質調查研究，從充分整理和吸收消化前人大量研究成果的基礎之上，選擇重點礦床進行解剖，輔以巖石學和高精度同位素年代學研究，嘗試應用成礦系列理論來認識東天山地區銅礦床的時空分佈和演化譜系，以內生金屬礦床時空分佈樣式作為大地構造環境的標志和限定，為東天山大型銅礦富集區的戰略靶區優選提供理論依據。分享友人