自然實驗 的英文怎麼說

中文拼音 [zìránshíyàn]
自然實驗 英文
natural experiment
  • 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）...
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 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
  1. Although ziyang city have a long history, but it have a young development of city construction, the environment landscape of city has many defects although it have many success, in this paper, through examined and analyzed the actuality of ziyang environment landscape, and applied the tenet of combine for theoretic and practice, and used for reference there homologies city ' s suffer and apologue. in this paper, it ' s researched from city ' s natural landscape system, man - made landscape system and dimensional landscape system, to instruct designing of ziyang city ' s landscape build, thus discover a feasible way for knap urban landscape build

    本文通過對資陽城市景觀建設現狀調查、分析，運用理論與實踐相結合的原理，借鑒相應特徵城市景觀建設的經驗教訓，從城市自然景觀系統、人工景觀系統和空間布局景觀系統三方面進行系統的規劃研究，達到指導資陽城市景觀建設的目的，從而為丘陵城市的景觀建設找到一條切實可行的途徑。
  2. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  3. They designed sophisticated experiments to test their hypothesis and proposed them to another chinese physicist, c. s. wu, who later confirmed their prediction of symmetry breakown in the beta decay experiment of cobalt

    美籍華裔物理學家楊振寧和李政道教授相信自然界並非如此，他們提出論據並由另一位華裔物理學家吳健雄博士通過鈷的衰變實驗所證實。
  4. In this paper, the resistance of sweet corn varieties to asian corn borer ( acb ) ( ostrinia nubilalis ) were evaluated by means of host experimental population life table and natural population life table ; the order of their resistibility is as follows : s2 > y3 > h1 > y1 > c20

    摘要利用亞洲玉米螟實驗種群生命表和自然種群生命表方法評價甜玉米品種對亞洲玉米螟的抗蟲性，結果得出亞洲玉米螟對不同甜玉米品種的抗性大小依次為：穗甜2號>奧甜2號>華1 >奧甜1號>超甜20 。
  5. More recently, the laboratory has focused on natural killer cells and their roles in peripheral blood and in the pregnant uterine decidua

    最近，實驗室已經把目光投向了自然殺傷細胞以及它們在外周血和懷孕時子宮蛻膜中的作用。
  6. Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints

    然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上，提出了利用半解析法和彈塑性大撓度有限元法兩種有效分析樹狀結構管節點應力的方法，並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹，確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法，並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。
  7. First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous

    首先本文闡述了鉆機的組成與工藝特點，然後描述了基於西門子s7 - 300plc的控制系統組成，然後針對傳統鉆機自動送鉆控制策略落後的缺陷，同時考慮到鉆機的復雜性、大滯后等特點，提出了模糊控制演算法與施密斯（ smith ）預估控制演算法相結合的控制策略，給出了基於液壓盤式剎車的自動送鉆智能控制策略， matlab的模擬實驗證明該控制方式控制效果良好，各方面性能指標都達到理想要求。
  8. Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers

    由哈格雷夫（ hargrave ）和吉恩（ geen ）所進行的研究，對自然條件下的群落食草比例進行了估計，其手段是通過測量出實驗室內單獨的浮遊動物種類的結食比例，然後利用已知的食草動物種群密度，計算出實地狀況下的群落食草比例。
  9. At the same time, loach is not hesitant to show the racism and intolerance on the other side, further heaping complications to the couple s simple quest for love

    盧治處理愛情已臻化境，浪漫已不是一個經得起考驗的詞兒，男女初見床上坦然相對，沒有吳儂軟語，卻多的是自然寫實的細膩筆觸。
  10. According to the vulgar idea, the fire in his laboratory had been brought from the lower regions, and was fed with infernal fuel ; and so, as might be expected, his visage was getting sooty with the smoke

    按照一種粗俗的說法，他實驗室中的火來自下界，而且是用煉獄的柴薪來燃燒的因此，理所當然地，他的面孔也就給那煙熏得越來越黑了。
  11. A synchronous mitotic experiment system that was in an unchanged culture condition was established

    建立了多頭絨泡菌自然同步化細胞分裂的實驗體系。
  12. Next analyzed were the characteristics of natural gas pipeline transmission ; cost, ratemaking principle, method of acquiring the pipeline transmission fee, constitution, calculate, management and control after that, wt ; compared service cost methods with economic evaluation methods and the one - part pricing method with the two - part pricing method. later on was introduced the regulate coefficient of pipeline transmission fee structure, established the modificatory two - part pricing method, and found out a natural gas pipeline transmission pricing method that is fit for china ' s current situation. finally, we validated the rationality and applicability of this metho j by the demonstrational analysis on the natural gas pipeline transmission price of " the gas transmission from west to east " pipeline this paper ' s research fundamental is : the fundamental of natural gas pipeline transmission pricing should reflect the characteristics of natural gas pipeline transmission

    本文首先論述了自然壟斷行業的價格理論，然後分析了天然氣管輸的特點、定價原則及管輸費的收取方式、成本、構成、計算及其管理與調控；在此基礎上比較了中外天然氣管輸定價的服務成本法與經濟評價法，一部制定價法與兩部制定價法等；針對目前我國天然氣管道運價的制定現狀，本文深入研究了國際通用的天然氣管輸定價方法，引入「管輸費結構調整系數」的指標，建立修正的兩部制定價方法，找出了一套適合於我國當前國情的恰當的天然氣管輸定價方法，並通過「西氣東輸」管線加以實證分析，驗證了方法的合理性和適用性。
  13. For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city

    本論文得到國家自然科學基金項目「泳動微機器人的機理、機構和控制」 （項目資助號： 69885002 ） 、廣東省自然科學基金項目「液體中泳動微機器人的研究」 （項目資助號： 980402 ）和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 （項目資助號： 010043 ）等的資助，主要對在液體中運動微機器人的國內外研究現狀、水生生物推進機理及其對泳動微機器人研究的借鑒和啟發作用、泳動微機器人的設計與製作、微機器人動力學模型的建立與分析、微機器人的自主浮遊與泳動速度控制等方面進行了大量的理論與實驗研究。
  14. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。
  15. Board on agriculture and natural resources, nas nrc

    塔山自然實驗室
  16. 3. a number of test parameters of insulation, position of reflux pipe inlet arrangemts, injection etc. are explored in the experiment. the experimental results demonstrate that the natural circulation is an efficient way to precool the pump system and maintain it at cryogenic temperatures

    進行了多組對比實驗，著重對兩種不同迴流方式對于自然循環和預冷的影響進行了比較，並研究了系統增壓、引射、迴流管絕熱效果以及泵體絕熱效果對于自然循環的建立和維持以及對循環預冷效果的影響。
  17. Abstract : hill mourning the special and advantageous natural conditions, ailaoshan become enormous natural biological species of germplasm resources gene pool, yunnan as " animals and plants " kingdom of " natural museum " and " specimen garden, " is a variety of integrated science experiments, is the ideal many disciplines scientific investigation and research base, is the scientific expedition, adventure, photography, research and returned to the natural forest of choice for this paper, through the ailaoshan reptilia from the investigation, ailaoshan the right reptilia is a more systematic and well described

    摘要：哀勞山特殊而優越的自然條件，使哀牢山成為巨大的天然生物種的種質資源的基因庫，成為雲南"動、植物"王國中的"天然博物館"和"標本園" ，是多種自然科學的綜合實驗地，是眾多學科的理想的科學考察和研究基地，是開展科考、探險、攝影、科研、回歸自然、森林的首選之地，本文通過對哀牢山爬行綱的抽取調查，對哀牢山的爬行綱給出一個較系統的，完善的敘述。
  18. Since man had chosen so to disturb the atmosphere he was bound to accept the consequences of his experiment.

    既然人類那樣選擇而擾亂了大氣層，他們受自己實驗的報應也活該。
  19. There is high rate of problem behaviors among junior high school students because of the particularity in the development of their body and mind this paper studies the types and characteristics of problem behaviors among junior high school students by questionaire method. interview method and literature analysis. based on that, the paper also works out a new problem behavior scale for junior high school students as the measuring tool. then the research has the natural experiment for educational intervention collectively and individually

    初中生因其身心發展的特殊性，成為問題行為的高發人群。本研究通過問卷和訪談調查以及文獻分析，探析初中生常見問題行為的類型和特點，並在此基礎上自編初中生問題行為量表。然後運用集體干預和個別干預相結合的自然實驗對初中生進行教育干預，並以自編量表為測量工具考察實驗效果。
  20. The study investigates how the communicative attribution of 4 - graders is when they communicate with different individuals in different situations. on the basis of the investigation, the study conducts natural experiment on different types of children by collective and individual intervention, we attempt to advance the communicative attribution of low - social statues children, and to improve the environment of their of their social communications

    本研究擬就同伴交往機制的重要環節? ?交往歸因進行研究。本研究採用問卷調查法，系統考察了小學4年級兒童的同伴交往歸因情況，並在調查的基礎上，針對不同類型兒童實施了集體干預與個別干預相結合的自然實驗。
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