水放試驗 的英文怎麼說
中文拼音 [shuǐfàngshìyàn]
水放試驗
英文
underwater firing test without torpedo in tube-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Standard test method for beta particle radioactivity of water
水的粒子放射性的標準試驗方法A second more severe water test is to place the catalyst in boiling water and observe for any disintegration.
第二個更苛刻的泡水試驗是將催化劑放在開水中檢查有沒有開裂。The method of close water test has been used for a long time, so richer experience has been achieved. however, it not only takes pains and time, but also consumes raw materials during the close water test because of miscellaneous working procedures such as bricklaying in the two ends of pipe, water - repellent layer plastering, maintaining and water offletting, brick - block backouting after the test, especially in the region short of water and some drainage pipe with prop - pipe construction. in order to satisfy the fast development of municipal construction, new detection methods should be developed
閉水試驗方法因其應用時間較長,目前已積累了較豐富的經驗,但在閉水試驗時,管道兩端砌築磚堵、抹防水層、養護、灌水浸泡,以及試驗后的放水、磚堵拆除等繁雜工序,不僅費工、費時,而且消耗原材料,尤其是在缺水的地區以及頂管施工的無壓管道,這些矛盾更加突出;因此,為滿足迅速發展的市政建設需要,有必要探索新的檢測方法,閉氣試驗就是其中一種,但是閉氣試驗目前還不完善,有待于進一步深入研究。Those research results will be applied on some important civil engineering such as china national high level radioactive waste deposal, energy storage project, the deep exploitation of petroleum and gas, and the construction of the exceed deep and exceed long tunnel of “ south to north of water ” project
開展大型材料模擬試驗技術、節理巖體三場耦合理論和關鍵試驗技術的研究,為國家高放廢物處置、能源戰略儲存、石油深層開采、南水北調西線超深超長隧道營建等重大工程服務。Plastics. un - plasticized pvc parts dor piping. simple assemblies with sealing rings for domestic water drainage piping. end use test. specification
塑料製品.未增塑聚氯乙烯管道零件.生活污水排放管道用帶密封圈的簡易組件.最終使用試驗.規范This article introduces the pilot experiment of producing pentahydrate sodium metasilicate by water glass with the method of crystal in solution
摘要介紹了以水玻璃為原料,利用溶液結晶法生產五水偏硅酸鈉的放大試驗。Standard test method for isotopic uranium in water by radiochemistry
用放射化學法測量水中同位素鈾的標準試驗方法The enzyme - linked immunosorbent assay ( elisa ) and high performance liquid chro - matography ( hplc ) analysis for detection of mc were optimized. the removal rates of mc by conventional water treatment processes were investigated through the laboratory study and the detection of mc in every process in meiyuan drinking water treatment plant. results showed that the prechlorination of eutrophic water led to the release of intracellular toxins to water phase
本文完善了mc的elisa和hplc分析方法,通過模擬試驗及水廠實測調查了富營養化太湖水中mc在常規凈水工藝中的去除特性,結果表明預氯化使藻細胞內的mc釋放出來,混凝沉澱對細胞外mc無去除作用,砂濾可去除17 . 2 40 . 4的細胞外mc和19 . 0 36 . 6的總mc ,加氯消毒對細胞外mc和總mc的去除率分別為30 45 . 3和30 51 . 7 。The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it
重點介紹了外伸端板高強螺栓連接的實驗過程及實驗分析結果,介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測點的布置等;給出加載方式及測出的m -曲線;計算出試驗節點的初始剛度;推導水平集中力作用下單跨門式剛架考慮節點半剛性的側移計算公式。Coal - water slurry is a new type of clean fuel as a replacement for oil. this paper introduces the tests of maoming no. 2 oil - fired 220 t / h utility boiler being retrofitted to fire coal - water slurry, including slagging tendency, heat transfer performances and pollutant emissions. firstly the k - ? two - equation turbulence model is used in numerical simulation for the side - air burner, compared with the practical measures and tests, good accordance achives
水煤漿是一種低污染、高效率、流動性強的代油新型清潔燃料,本文針對廣東省茂名熱電廠2 #油爐改燒水煤漿示範工程,對鍋爐改造后的結渣特性、爐內傳熱特性和污染物的排放特性進行了試驗研究。By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that, the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity
通過研究取得了如下結論: ( 1 )水槽放水試驗和定雨強模擬降雨試驗結果表明,降雨對坡面薄層水流流速的作用與放水流量和雨強大小有關。The exercise aims to assess the cost - effectiveness of releasing smaller size green grouper fingerlings and see whether some rare and high - valued species such as high - finned grouper can be reintroduced into hong kong waters by restocking
這次試驗旨在評估放養較細小青斑魚苗的成本效益,以及在本港水域重新引入一些稀有及高價魚種如老鼠斑的可行性。The researches including discharge capacity, pressare properties, cavitation characteristics at some key positions, hoisting load of the gate, configuration of energy dissipator at the exit dentated - sill, and downstream scouring were performed by hydraulic model tests
藉助系列水工模型試驗對水布埡放空洞的泄流能力、壓力特性及關鍵部位的空化特性、閘門啟閉力、出口鼻坎消能工體型及下游沖刷等進行了較深入的研究、分析。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。Test showed that under level loads the damage process of multi - ribber slab was according to the order of silice bric ^ concrete frame ^ outer gimbal, released energy classificately, had perfect energy consume and anti - collapse capacity
試驗表明密肋復合墻板在水平荷載作用下破壞過程按「砌塊,框格,外框」的順序進行,能夠分級釋放能量,表現出了良好的耗能能力及抗倒塌能力。Standard test method for vacuum drainage of asbestos - cement mixes
石棉水泥混合料真空排放的標準試驗方法Play pipes for water supply testing in fire - protection service
消防設備中供水試驗用放水管Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber, with the test specimen oriented horizontally
使用錐形放射源在有水平放置試樣的單一密閉室內測量煙霧蒙朧性的標準試驗方法Water quality - evaluation of ultimate aerobic biodegradability of arganic compounds in aqueous medium - caebon dioxide evolution test
水質.水介質中有機化合物的極限需氧生物降解能力的評價.二氧化碳釋放試驗分享友人