自然條件試驗 的英文怎麼說

中文拼音 [zìrántiáojiànshìyàn]
自然條件試驗 英文
natural condition test
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 自然 : 自然at ease; natural; free from affectation
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  • 試驗 : trial; experiment; test
  1. In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material

    本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。
  2. Based on the data obtained from the experiments on the soil with same structure under three cropping patterns, this paper makes a research into the numerical relation between the parameters of infiltration model and physical parameters of soil, and forms the statistic model about them, in order to produce a simple and easily used calculation method and a model for infiltration parameters and to provide the calculation parameters as required for the technical parameters of the water - saving irrigation

    本文以榆次同一質地三種不同耕作方式下的土壤在自然條件下進行的大量試驗結果為依據，分析了土壤入滲模型參數與所獲得的土壤物理參數之間的定量關系，研究和建立土壤入滲模型參數與土壤物理性狀參數間的統計模型，為地面灌溉節水向深層次的發展提供簡單易行的土壤入滲參數確定方法和模型，為確定節水灌水技術參數提供所需的計算參數。
  3. The absence of evaluation is superior to relative evaluation on self - efficacy. experiment 2 provided absolute evaluation, relative evaluation and the absence of evaluation in two months. with 306 junior - middle - school - student from grade two being subjects, experiment 2 studied different evaluation influenced on achievement goal, self - efficacy, anxiety and academic achievement the conclusions were as follows : 1

    實驗二以學校的自然班組為單位， 306名初中二年級學生為被試，設置了絕對評價、相對評價和無評價三種不同的評價條件，通過讓學生親身體驗不同的評價方式，考察不同的評價方式對成就目標、自我效能感和焦慮的影響。
  4. Through surveying and analysis by synthesis of the environment of qingzang highway and the damage condition of the highway ' s base course, this paper take experiments of the key performances of the atsm, discusses the standards of control indexes of atsm for base courses in perennially frozen zone. by all the results of such experiments, a conclusion is obtained that the strength and all the pavement performances properties of the atsm are good enough to be used to build the base course of highway in perennially frozen soil zone

    寒區半剛性基層強度較難形成，而形成板體的基層又大多出現嚴重的反射裂縫，影響了使用性能，因此，本文通過調查與分析青藏公路的自然條件和路面基層及面層的損壞狀況，對基層瀝青穩定碎石的強度、低溫抗裂、疲勞以及抗凍等各項路用性能進行了試驗研究，探討了多年凍土地區基層混合料的關鍵路用性能的各項指標。
  5. Nowadays the technologies of the computer science are booming and the prices of the hardware decrease much, by using computer generated imagery technique it becomes available to output ir images that ca n ' t be available in shooting range

    隨著計算機技術的發展和硬體設備價格的降低，用計算機來模擬紅外目標的紅外熱圖像成為可能。計算機模擬可以節省大量的試驗經費，還可以產生惡劣地理條件以及自然條件下外場試驗無法獲取的紅外熱圖像。
  6. The technique method we used is the environment wind tunnel technique which is common tool with advantage of independent on nature condition, shorten period of study and save large quantity time, manpower and material resources

    人們試圖通過環境風洞模擬對沙漠進行多方面的研究。應用風洞實驗技術研究風沙地貌，不受自然條件的限制，能夠大大縮短研究周期，大量節省時間，人力和物力。
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