緩沖物質 的英文怎麼說
中文拼音 [huǎnchōngwùzhí]
緩沖物質
英文
buffer substances-
How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future
特別是在復雜的地質，地形及地物條件下，如何保證工程的安全快速有效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國道309河北武安至涉縣段改建工程為依託，採用理論分析計算與現場試驗相結合的方法，研究並優化了路基石方控制爆破技術與施工工藝，有效控制了爆破危害，實現了保證現有公路正常運營條件下的快速安全施工，本文提出了在預裂爆破中適合於路基擴塹工程的有關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。Preparation of flexible polyurethane foams from plants
植物型軟質聚氨酯泡沫制備及緩沖性能研究Many studies have shown that riparian buffer can effectively reduce nutrient transport from agricultural fields under certain landscape conditions
許多研究已經表明濱岸緩沖帶能夠有效地減少農田中營養物質的運輸。Water quality sampling of the wells began in april 2002 and proceeded approximately monthly through december 2003. by the means of soil and vegetation treatment system, riparian buffers are established between field agriculture and stream in order to reduce contamination flowing stream
通過探索性示範研究，在大田農業與受納水體之間許建立濱岸緩沖帶，利用土壤?植被處理系統的方式，削減農田面源污染物質進入水體的污染負荷。A sds - iso - propanol method suitable for tea plant, which was plentiful of tea polyphenols, had been developed using a modification of chen darning ' s method from different sample storage conditions such as fresh, dry and frozen shoots. it was a quick, easy, economical and effective method. the tactics were as follows : before the cell nuclear membranes were decomposed, the tea polyphenols and proteins etc. were removed
該法提取緩沖液使細胞維持一定的滲透壓，研磨時使細胞核基本保持完整；在細胞核被裂解之前去除細胞質中的茶多酚、大部分蛋白質和rna ；而後用sds裂解細胞核，異丙醇或乙醇沉澱dna ，這樣能經濟、快速和有效地從富含茶多酚、茶多糖等次生物質的茶樹新梢中提取基因組dna 。In the present thesis, znse, znte and their quantum well ( qw ) structures on si substrates with zno as buffer layer by low pressure metal - organic chemical vapor deposition ( lp - mocvd ) technique were prepared. zno is selected as the buffer layer for it has many similarities with the oxide layer on the surface of si wafer. all important experimental results and conclusions presented in this thesis are summarized as follows : 1
本文中，我們利用zno與si襯底上氧化層? sio _ x有很好的浸潤性這一特點，採用zno作為緩沖層，用低壓-金屬有機物氣相沉積（ lp - mocvd ）設備在si襯底上生長znse和znte薄膜以及zncdse znse和zncdte znte量子阱結構，並對其發光特性進行了研究，獲得的主要研究結果如下： 1 、在si襯底上獲得了較高質量的zno薄膜。According to the development requests of the beach, the forestry landscape system of the yellow river beach were divided into following function types : protection - conservation of water and soil - cushion forest, protection - conservation of water and soil - amusement and creation - biodiversity protective forests, the ornamental - amusement and creation - education - germplasm resources forest, the amusement and creation - leisure - watching forest, the economic - watching - amusement and rest forest, the ornamental - amusement and rest - education - biodiversity protective forests and so on
根據灘地發展要求，結合黃河灘地景觀分區將黃河灘地林業景觀系統分為：防護水土保持緩沖林、防護水土保持遊憩生物多樣性保護林、觀賞遊憩教育種質資源林、遊憩休閑觀賞林、經濟觀賞遊憩林、觀賞遊憩教育生物多樣性保護林等復合功能類型，構建了有利於黃河灘地可持續發展的林業景觀系統。Liposome is an effective nuclide delivery agent for neutron capture therapy. in this paper liposomes containing encapsulated gadolinium complex were prepared and characterized. the influence of formulation factors such as ph, ionic strength, buffer, and storage time upon the stability of liposomes was investigated. the uptake rate constant and its concentration dependence of lgd in tumor cells were compared in vitro with that of gd complex itself. the results indicate that the uptake rate of lgd in tumor cells increases to eight times as much as that of gd - edta, but the release rate of gd from tumor cells containing lgd is remarkably lower than that from the tumor cells containing gd - edta. the results reveal that lgd would be a potential drug for neutron capture therapy of cancer
制備和表徵了包埋gd - edta的脂質體，測定了ph ，離子強度，緩沖液組成及溫度對gd - edta脂質體的影響，比較了gd - edta脂質體和gd - edta被腫瘤細胞攝入的動力學曲線。結果表明， gd - edta脂質體在37和生理條件下最穩定，腫瘤細胞攝入gd - edta脂質體速率是gd - edta的8倍，而釋放gd的速率， gd - edta脂質體遠遠低於gd - edta ，這些結果提供了脂質體包埋gd - edta作為釓中子俘獲治療藥物的可能性。Summary statistics for bottom sediment quality in the north western and western buffer wczs, 2001 - 2005
二零零一至二零零五年西北部及西部緩沖區水質管制區沉積物質素統計總覽pdfIn this paper, the growth technology is presented for epitaxial silicon carbide films on sapphire with a buffer layer by atmospheric - pressure chemical vapor deposition ( apcvd ) process. the effect of temperature and precursors flow rates on the growth of silicon carbide films by chemical vapor deposition is analyzed. the structural properties of the films grown on sapphire compound substrate are studied by x - ray diffraction ( xrd ), x - ray photospectroscopy ( xps ) and photoluminescence spectroscopy
本論文提出了在藍寶石上引入一層緩沖層材料形成復合襯底，採用常壓化學氣相淀積（ apcvd ）方法在其上異質外延生長sic薄膜的技術，分析了cvd法生長sic的物理化學過程，通過實驗提出sic薄膜生長的工藝條件，並通過x射線衍射（ xrd ） 、 x射線光電子能譜（ xps ） 、光致發光譜（ pl譜）和掃描電鏡（ sem ）對外延薄膜的結構性質進行分析。Abstract : metallic foam or porous materials were developed at the end of the 80 " s and applied to industry at the beginning of the 90 " s. they have excellent physical properties, especially damping characteristis, so they are widely used for vibration insulation, noise elimination, electromagnetic screening and so forth. a description is given of the “ casting and foaming ” method for the fabrication of these metallic foams, and a detailed account of their mechanical and damping properties
文摘:金屬泡沫或金屬多孔材料是80年代後期國際上迅速發展起來的一種物理功能與結構一體化的新型工程材料.它所具備的多種優異物理性能特別是阻尼性能已引起廣泛關注，並在消聲、減震、分離工程、催化載體、屏蔽防護、吸能緩沖等一些高技術領域獲得了廣泛應用.文章著重介紹了鑄造發泡法製造鋁泡沫材料的技術難點.對金屬泡沫材料的力學性質和阻尼特性進行了詳細介紹.為金屬泡沫材料開發、應用提供基礎知識和信息Here is what they now generally expect from an event the scale of those that struck long valley and yellowstone : instead of a slow leak of red - hot lava as is seen creeping down the sides of kilauea volcano in hawaii, these eruptions feature supersonic blasts of superheated, foamlike gas and ash that rise buoyantly all the way into the earth ' s stratosphere, 50 kilometers high
對于造成長谷與黃石公園的那些爆發，或是相同等級的現象，目前他們普遍的看法是：這些爆發不像夏威夷奇勞亞火山緩慢滲出的紅熱巖漿、沿著火山側蜿蜒流出；它們的特色是以超音速的沖擊波，噴出極熱、泡沫般的氣體與火山灰，這些物質極易進入地球大氣的平流層，上升到50公里的高處。Summary statistics for bottom sediment quality in the eastern buffer and victoria harbour wczs, 2001 - 2005 back to top
二零零一至二零零五年東部緩沖區及維多利亞港水質管制區沉積物質素統計總覽pdfThe heat conductivity of bentonite is one of the important parameters for buffer / backfilling materials as barriers in high level radioactive waste disposal system
摘要膨潤土的熱學性能是評價膨潤土作為高放廢物深地質處置庫緩沖回填材料的重要參數。分享友人