low-density method 中文意思是什麼

low-density method 解釋
低電流密度法
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets

    低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為,分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度,總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同,金屬間化合物的生成情況。
  2. Refractory fiber and product is manufactured by means of dry method and wet method. as an excellent insulation material, it has comparatively low volume density, good softness and very low thermal conductivity coefficient. sticking method, ancjoring method and folding method can be selected respectively. this product can be used in various industrial kilns & furmaces for lowering heat consumption

    耐火纖維及製品是採用干法、濕法生產的具有較低體積密度、較好柔軟性、極低的導熱系數的優質絕熱保溫材料,施工時可分別採用粘貼法、錨固法、折疊塊形式施工,適用於各種工業窯爐降低熱耗之用。
  3. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  4. In order to recognize low resistivity oil layers, we have used many methods, such as engraving method, resistivity curve overlapping method, density and acoustic curves overlapping method, or density, acoustic and neutron curves overlapping method, as well as quantitative interpretation method, etc

    為了識別低電阻油層,我們採用了多種方法,例如圖版法、電阻率曲線重疊法、密度與聲波曲線重疊法或密度、聲波與中子曲線重疊法,以及定量解釋法等。
  5. Compared with the existing rp methods using high energy density beams, the hpdm method solved the key problems of insufficient dimensional precision and surface quality caused by the step effect and no - supporting, and puts forward a new way to directly manufacture the difficult - to - machining materials parts with short - routine, low - cost and high quality

    該技術解決了現有高能束熔積成形技術因無支撐和臺階效應造成的尺寸精度和表面質量不高的瓶頸問題,是難加工材料零件短流程、低成本、高質量無模精確製造的新的有效加工方法。
  6. By changing the negative bias current density, gaseous ratio and total pressure, nanocrystalline diamond film is prepared by ion - assisted bombardment method at the substrate temperature of 700 ? 00 ? and mixture gaseous of ch4 and h2 the effect of growth parameters on the diamond film is studied. the diamond film presents very low compressive stress and excellent field emission character

    採用離子輔助轟擊法,以ch _ 4 、 h _ 2為源氣,襯底溫度為700 900 ,通過改變襯底負偏壓、 h _ 2和ch _ 4氣體比例以及工作氣壓,制備出納米金剛石薄膜,並對工藝參數對金剛石薄膜沉積的影響進行了研究。
  7. Standard test method for determination of phenolic antioxidants and erucamide slip additives in linear low - density polyethylene using liquid chromatograph

    用液相色譜法測定單面低密度聚乙烯酚氧化劑和摻合劑的標準試驗方法
  8. Method : at first, analyzing the problems in the plan and design for central business district, such as : excessive architecture density, unreasonable planning structure, traffic jam, serious pollution, enviromental scenery of low quality, lack context, then providing the countermeasures

    方法:先針對我國城市中心區規劃的主要問題如:建築密度過大、形象混亂,規劃結構不合理,交通阻塞、污染嚴重,景觀環境質量下降、缺少文脈特色,做了詳細的分析,然後提出了解決這些問題的途徑。
  9. The methods of location defects include : density method, stereo - scope observing, industrial ct and parallax. compared with other methods, parallax is widely applied for its convenience and strong applicability. parallax is also limited under some circumstances because of the low precision

    缺陷定位的方法主要有黑度法、體視法、工業ct及視差法等,其中視差法相對于其它幾種方法,以其操作簡便、適用范圍廣而得到了普遍應用。
  10. The pictures of probabilistic characteristic in both sides of impendence matching balance transformers are drawn, and probabilistic density figures are also given. the simulation model of shaoshan 4 electrical tractor is raised, at the same time facing the restriction of probabilistic method, the paper raised that using monte carlo simulation absorbed harmonics currents of the model of electrical tractor and simulated the superposition of low harmonics currents. through compared with real time data, the monte carlo simulation can be confirmed, and the breakthrough point of restriction of using probabilistic method is discussed

    為了有效模擬機車在運行中所產生的諧波電流,本文在matlab的平臺空間中建立了韶山4型電力機車的模擬模型,導入到matlab運算程序中,對低次諧波電流疊加進行模擬,從而證實了蒙特卡羅模擬法仍然是目前較為可靠可行的方法,同時討論了在電牽引系統中針對低次多諧波源疊加使用基於中心極限定理的概率分析方法必須使用相關參數進行修正,即需要和電力機車的帶電運行方式有機的結合在一起。
  11. Standard test method for nondestructive assay of special nuclear material in low density scrap and waste by segmented passive gamma - ray scanning

    分段無源射線掃描法對低密度廢料及殘渣中特殊核材料進行無損檢驗的標準試驗方法
  12. Tgs method utilizes a high - purity germanium ( hpge ) detector with large volume to perform low - resolution tomographic transmission scans on each layer and yield absolute images of the matrix ' density

    測出的線衰減系數是絕對值,成像只要求低分辨。然而, tgs有ct測量所沒有的發射測量和圖像重建的問題。
  13. On the basis of the strategy of sustainable development, by our country ' s character of high dense population, high density use of urban land, tight concentrated form, single center tight configuration, paper applies coordinated idea of transport plan and land use plan, insists on the principle of public traffic development priority, seeks a high accessibility low demand model of land use and transport, bringi forward a new plan method of transit - oriented dev elopment to deal until connection between the effective use of urban land source and continual increasing demand of transport, thoroughly solves urban transport congest problem resulted by the imbalance of supply and demand of transport. also paper detailed analyzes and studies the concept, soit. general design principles, particularity of transit - oriented development region

    在可持續發展戰略的指導思想基礎上,論文根據我國城市人口高度密集,城市土地高密度利用,以集中緊湊型為主的布局形態,單中心圈層式緊密結構的特點,運用交通規劃與土地利用規劃的協同觀念,堅持優先發展公共交通的原則,尋求高可達性、低交通需求的土地利用? ?交通系統發展模式,提出以公共交通為導向的城市土地利用形態的新的規劃方法,處理好有效利用城市土地資源與不斷增長交通需求之間的關系,從根本上解決交通供求關系不平衡而造成的城市交通擁擠問題,並對公共交通運輸導向開發區的概念、分類、設計總則、特質作了詳細分析研究。
  14. Test method for determination of phenolic antioxidants and erucamide slip additives in linear low density polyethylene using liquid chromatography

    用液相色譜法測定線性低密度聚乙烯中酚醛阻氧化劑和erucamide潤滑添加劑的方法
  15. The pseudo - dynamic test gives the model ' s earthquake response, failure characteristic and special seismic property, unveil the structure ' s failure procedure of " low density setin block ' s break - slab rib ' s break - end post ' s concrete craze - end post ' s steel bar yielding ", providing full and accurate experimental information to establish the seismic design method. the slab ' s crack discrimination condition is prescribe. the extreme shear strength bearing moment, shear and pressure synchronously shows the bearing capacity components and change in slab ' s failure process

    提出了密肋復合墻體開裂的判別條件;對于墻體在彎剪壓耦合作用下的極限抗剪承載力性能,分析了其構成因素及其隨破壞過程的變化規律;在試驗研究和數值分析的基礎上,提出密肋復合墻體抗剪和抗彎承載力表達式,並對典型墻體多遇地震作用下的承載力可靠指標進行了驗算;對影響墻體抗剪能力的各種因素進行了顯著性分析。
  16. The exploitation and utilization of biomass energy is an effective method for relieving the pressure of conventional energy resources shortage. the technology of biomass pyrolysis can convert low - quality biomass into bio - oil that has the character of high - quality, high energy density, cleanness and zero carbon dioxide emission

    大力開發生物質的熱裂解制油技術,可將低品位的生物質能轉化成高品質的、高能量密度,清潔、無污染而且二氧化碳排放為零的生物油液體燃料。
  17. A low detonation velocity explosive with medium density ( lg / cm3 ) and proper power ( > 320ml ). which made from obsolete propellant by controlling the granularity and adding the inhibitor, is studied in this thesis ; the distribution of water in the powdery propellant is described, the effect of detonation velocity from different granularity of powdery propellant is studied and the simulated mathematical model on leakage of water in low detonation velocity explosive is also showed furthermore, the method involved in controlling the leak of water in explosive is provided. meanwhile the effect of inhibitor is experimented some of formulations and processes of low detonation velocity explosive are given in details

    廢棄發射藥可直接用來製造凝膠炸藥,在發射藥顆粒的空隙中加入氧化劑和高分子的混合溶液,經過一段時間后氧化劑溶液變成凝膠狀態即可制得灌注炸藥,該灌注炸藥具有密度較高( 1 . 4g / cm ~ 3 ) 、抗水、爆速較高的特點;文中對灌注液所涉及的材料、工藝流程進行了研究;分析了灌注炸藥的力學性能;利用灌注炸藥的高爆速及發射藥的低爆速組成一定形狀可用來形成特殊的爆轟波,利用matlab程序設計出了平面波發生器並對影響因素進行了討論。
  18. Technological conditions of the cathode material lini1 - xcoxo2 using like sol impregnation method at air atmosphere have been investigated systematically. the structure and cycling performance of the sample linio. 7coo. 3o2 obtained at optimal conditions have been further studied too. the results indicates that the sample exhibits good electrochemical properties when cycled at low current density, and the material has little volume changes, showing good stru

    通過對不同充放電電流下材料的xrd圖譜的特徵及循環穩定性的分析,發現空氣中合成的lini _ ( 0 . 7 ) co _ ( 0 . 3 ) o _ 2材料以低電流密度充放電時具有良好的電化學穩定性,當材料以低電流密度在0 . 3 1 - y 1 . 0范圍內進行脫/嵌鋰反應,材料的體積變化較小,結構穩定。
  19. Standard test method for determination of linear low density polyethylene composition by carbon - 13 nuclear magnetic resonance

    用碳- 13核磁共振法測定線性低密度聚乙烯成分的標準試驗方法
  20. In the paper, three methods of evaluation of cushioning properties and energy - absorption capability of low density porous material are discussed, and a mew method of evaluation of damping of vibration is introduced, taking silicone rubber foam as an example, the use of these methods in rational choice materials and priority design is expounded

    摘要本文對低密度多孔介質緩沖吸能特性的三種評估方法進行了分析,進而提出了評估其減振特性的剛度曲線方法,並以泡沫矽橡膠為例,具體闡述了上述評估方法在合理選材、優化設計中的應用。
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