層焰 的英文怎麼說
中文拼音 [céngyàn]
層焰
英文
laminar flame-
Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。From the west sky a wrathful shine - all that wild march could afford in the way of sunset - had burst forth after the cloudy day, flooding the tired and sticky faces of the threshers, and dyeing them with a coppery light, as also the flapping garments of the women, which clung to them like dull flames. a panting ache ran through the rick
在西邊的天上，有一道憤怒的閃光那是在狂暴的三月才有的夕陽它從雲天里噴灑而出，傾瀉在筋疲力盡的打麥人滿是汗水的臉上，在他們的身上鍍上了一層紅銅的顏色，同時那些流光又像暗淡的火焰，照射在婦女們飄動的衣裙上。Analysis of family composition of rock extract and crude oil by tlc - fid
巖石可溶有機物和原油族組分棒薄層火焰離子化分析方法New method for computing premixed planar laminar fla me speed
一種計算預混層流平面火焰速度的新演算法Effect of hydrogen and vapor on laminar flame speeds of methane air mixtures
空氣層流火焰傳播速度的影響Study on shs reactive flame sprayed multiphase ceramic coatings
自蔓延反應火焰噴塗復相陶瓷塗層研究On a level with the floor on every stairhead there was a low window which resembled a deep, square venthole, while in lanterns fastened to the walls flaring gas jets crudely illuminatcd the surrounding squalor and gave out a glowing heat which, as it mounted up the narrow stairwell, grew ever more intense
每道樓梯的平臺邊，貼近地面都有一扇低矮的窗戶，方方正正地凹進去，像是氣窗。一些懸掛在墻壁上的燈籠，發出煤氣光焰，強烈地照射著這種種貧寒景物，還散發出一股熱氣，向上升騰，並聚積在各層狹窄的螺旋形樓梯下。Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage
在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上，探討了低煤級煤層氣的生成機制，指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體；進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵，實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。Methods of measuring case depth for steel hardened by flame or induction hardening process
鋼的火焰加熱淬火或感應加熱淬火硬化層深度的測量方法Although arc spraying has the advantages of high deposition efficiency and low cost, only electrically conductive wire materials can be adopted for arc spraying. the quality of coatings produced with plasma spraying and hvof is high, but large volume of plasma spraying equipment makes it difficult to be used on site, and the high investment of equipment, the large consumption in fuel and high cost prevent from spreading of hvof
雖然電弧噴塗的效率高、成本低，但它僅適用於具有導電性的線材噴塗：等離子噴塗及超音速噴塗制備的塗層質量高，但等離子噴塗設備龐大，不適用於鍋爐現場噴塗；超音速火焰噴塗設備昂貴、耗氣量大、塗層成本高，從而限制了它的推廣。It is found that the liquid kerosene of injection upstream cavity could finish the process of atomization and evaporation in short distance, and enter into cavity through convection. aft wall is the primarily area of flame holding in cavity, and the only area when near the lean blowout limit, flame in area of fore wall are spread from it. cavity shear layer in reaction flow angle greatly to the main flow direction, and couldn ’ t reattach to aft wall anymore, it appears great difference in characteristics of cavity flowfield between non - reaction and reaction state
研究發現:凹腔上游噴注的液體燃料能夠迅速霧化、蒸發，並在較短距離內依靠對流輸運過程進入凹腔內部;凹腔後壁始終是凹腔火焰駐留的主要區域，在貧油極限時，也是唯一區域，並存在明顯的火焰由後壁向前壁的傳播過程;燃燒狀態下的凹腔剪切層以較大角度向下游主流發展，不再附著于凹腔後壁，與冷流中的凹腔流場特徵相差較大。Fourteen copper bells hang from its copper canopy on top of which is a gilt ball like a flame
塔頂有兩層銅質傘蓋，其邊緣懸14個銅鐘，最上為鎏金火焰寶珠塔剎。The second level of unbinding, symbolized by a fire so totally out that its embers have grown cold, is what the arahant experiences after this life
第二個層次的解脫，以火焰滅盡、余燼已冷作為象徵，代表了阿羅漢此生以後的經驗。Standard practice on specimen preparation and mounting for pipe and duct insulation for flame spread and smoke obscuration
防火焰擴散和隔煙管道和導管隔離層的安裝和樣品制備的標準實施規范Determination of effective depth of hardening after induction or flame hardening of steel
鋼的感應淬火或火焰淬火後有效硬化層深度的測定Test method for flame spraying coating of molybdenum
火焰噴鉬塗層的檢驗方法In this thesis, designing " a " furnace arch by applying momentum synthesis and applying the laminar coal supply device to improve the burning in furnace, the operation duty of chain boiler, the thermal efficiency of boiler, are studied, according to the problems of the irrationality on boiler proper frame and the disproportion on system disposition in the design and the operation of chain boiler
本文根據鏈條鍋爐設計和運行中存在鍋爐本體結構上的不合理、系統布置上的不匹配等問題，研究了利用動量合成法設計「 」型火焰爐拱，以及利用分層給煤裝置來強化爐內燃燒，改善鏈條鍋爐運行工況，提高鍋爐熱效率。Firefighters in reno have declared victory over a three - hundred - acre blaze that narrowly missed some upscale homes along the eastern sierra nevada on saturday
里諾的消防員宣布撲滅了300英畝的熊熊火焰，星期六，沿內華達山脈東部的一些高消費階層居住區躲過這場火災。The coatings deposited with a new subsonic flame spraying possess high bonding strength, low porosity and is low costly, at the same time, it is applied to the worksite of boiler tubes specially. the coatings applied to water wall tubes were deposited by subsonic flame spraying in this study
本課題採用了一種新型亞音速火焰噴塗技術制備鍋爐水冷壁管道塗層，其塗層不僅結合強度高、孔隙率較低，而且塗層制備的成本低，特別適用於鍋爐水冷壁管的現場噴塗。Laminar premixed flame propagation velocity on - line measurement by image processing technique
應用圖像處理技術進行預混層流火焰傳播速度的在線測量分享友人