裂變室 的英文怎麼說

中文拼音 [lièbiànshì]
裂變室 英文
fi ion chamber
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 裂變 : [核物理] atomic fission; fission; nuclear fission
  1. And more hale than ever are the four major national laboratories that discovered atomic fission, the much more destructive nuclear fusion and the means to develop them into history ' s most dangerous weapons

    而且比過去更好的是四所主要國家實驗室發現原子的裂變，更大毀滅性的核子融合和方法發展它們進入最危險的武器之內歷史時期。
  2. This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs

    研究了柴北緣地區逆沖推覆構造的發育背景、發育模式，平面、剖面展布特徵及其分帶性，並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述，同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理，指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ，參8
  3. This paper analyses the stress and deformation of the two lining structure types of the surge shaft surrounded with crush rock under the action of high water pressure by using fem, compares the two lining types ' s merits and demerits in stress, deformation, fracture state, the combining bearing of surrounding rock and lining structure, the safety and economics

    本文針對圍巖條件比較破碎，裂隙發育的調壓井洞室結構，就兩種襯砌結構型式分別進行了高水頭作用下的有限元數值模擬，從調壓井襯砌結構選型角度分析對比了兩種襯砌結構型式在圍巖及襯砌結構應力與變形、襯砌結構鋼筋混凝土開裂、圍巖與襯砌結構聯合承載、結構安全儲備、經濟等方面的優劣。
  4. The error source in measuring neutron fluence rate is gived. the efficiency of u - fission chamber is studied. the effect factors to detector are analyzed and experimentally studied

    開展了鈾裂變室探測器效率的研究，對影響探測器對期望中子或非期望中子探測的各種因素進行了分析和實驗研究。
  5. The experiment was carried out at the lawrence berkeley national laboratory ( u. s. a ). a 252cf was placed at the center of the gammasphere detector array which, for this experiment, consisted of 102 compton - suppressed ge detectors. by measuring prompt - ray of spontaneous fission from 252cf, a total of 5. 7 1011 triple - and higher - fold coincidence events were collected

    實驗工作是在美國洛侖茲伯克利國家實驗室（ lbnl ）的gammasphere探測裝置上完成的， 252cf自發裂變源放置在一個由102個反康ge探測器組成的gammasphere探測器陣列的中心，測量自發裂變產生的瞬發譜，記錄三重以上的符合事件。
  6. The laboratory has designed, tested and evaluated a lightweight, low-yield fission device.

    該試驗室設計，試驗和鑒定了一種輕巧、低當量的裂變裝置。
  7. Histologically, diffuse distribution of eosinopholic cardiocytes with pyknosis was noted. immunohistochemical staining for myoglobin discovered wide and diffuse loss of myoglobin throughout the ventricular myocardium. ultrastructurally, the myocardial cell with myoglobin loss were characterized by the presence of swollen mitochondria and packed cellular constituents

    組織學檢查注意到彌散性分佈伴有核碎裂的嗜酸性變性，肌紅蛋白組化染色發現整個心室肌廣泛性脫失，超微結構研究表明脫失肌紅蛋白的心肌細胞存在線粒體腫脹和細胞內成分的堆積。
  8. Detailed structural information and specimens of tectonic rock had been collected in the outcrop sections along the fault zone, and deformation feature and superposition about the tectonic rocks were analyzed, and paleotectonic stress field was also analyzed by stereograms illustrating of joints in the following work

    在室內對構造巖進行了變形特徵和變形疊加分析，對斷裂帶典型共軛剪節理作主應力軸圖解分析了古構造應力場。進而探討了紫荊關斷裂帶的構造活動特徵。
  9. The effect of detector disturb and the shell of the detector and construction material is not distinct. the low absorb cross section material is used to 235u - fission chamber. the low z material is used in experimental bracket and shielding material and the material is used less

    獲得了探測器之間擾動、探測器外殼、支架材料對信號中子測量無明顯影響的結果；對~ （ 235 ） u裂變電離室，需採用中子吸收截面低的材料，對實驗裝置的支撐材料和屏蔽材料宜選用低z材料且盡量減少用材。
  10. The surrounding rock mass of the tgp shiplocks is jointed rock mass cut by well - developed discontinuous joints. the middle frusta and vertical border wall are the important components of the lock room construction. its deformability and stability will directly affect the construction function and using security

    永久船閘區巖體屬於一種斷續節理切割的裂隙巖體，中隔墩和直立邊墻是閘室結構的重要組成部分，其變形大小和穩定程度將直接影響三峽航道的結構功能和運行安全。
  11. Standard test methods for rubber deterioration - dynamic ozone cracking in a chamber

    橡膠變質的標準試驗方法.小室中動態臭氧龜裂的試驗
  12. At room temperature, the fracture for r specimen is the characteristic of fatigue stripe, while tire - like pattern appears on the fracture of the t specimen, and the hydrided sample is characterized by skeleton - like pattern and quasi - cleavage fracture at room temperature. however, the fracture characterized by second - crack at 400

    常溫下， r向試樣的低應變幅疲勞斷口上較為明顯的特徵是疲勞條紋的存在; t向試樣的疲勞裂紋擴展區斷口上則為輪胎痕花樣;滲氫態試樣室溫下疲勞斷口的主要特徵為脊骨狀花樣和準解理斷裂特徵。
  13. Standard test method for rubber deterioration - surface ozone cracking in a chamber

    橡膠變質的標準試驗方法.在小室中的橡膠表面臭氧龜裂
  14. Standard test method for rubber deterioration - surface ozone cracking outdoors or chamber triangular specimens

    橡膠變質的標準試驗方法.室外或小室內橡膠表面臭氧龜裂
  15. In this paper, combined with the construction of shangqiu to kaifeng freeway, the component design method of cement - stabilized silty soil and the strength, modulus and anti - cracking performance of the mixture are researched systemically in lab and on site

    本文結合商丘至開封高速公路底基層的修建，對大劑量水泥穩定粉質土材料組成配合比、強度、模量、抗裂性等變化規律進行了室內、外系統試驗研究。
  16. We have so far been unsuccessful at prediction because laboratory and theoretical studies of the physics of deformation and fracture have been largely unsupported

    我們在預測方面到目前為止不成功，因為未能獲得變形和破裂的物理狀況的實驗室研究的和理論研究的支撐。
  17. The main work done in this paper is as follows : ( 1 ) simulate the temperature field of basement wall by ansys software, sum up the characteristics of the temperature field of basement wall, and analyze the influence of the types of the molding board, environmental change and cement content ; ( 2 ) the whole simulation analysis process of early - age concrete stress field is realized by sub - development of ansys, and cts - ansys software is developed with fortran ; ( 3 ) based on the cause of cracking, the influence of the thickness of the wall, length, bar arrangement, mix proportion, expanding agent, etc, on the wall stress due to concrete creep and temperature change is analyzed

    本文主要進行了以下幾個方面的研究： （ 1 ）利用ansys軟體，模擬了施工期地下室側墻溫度場，總結了地下室側墻溫度場分佈的特點，分析了模板類型、環境變化和水泥用量等對墻體溫度場的影響； （ 2 ）以大型通用有限元軟體ansys為平臺進行二次開發，運用visualfortran語言編寫了cts - ansys程序，實現了施工期混凝土徐變溫度應力的模擬計算； （ 3 ）從裂縫形成的原因出發，分析了地下室側墻厚度、長度、配筋率、配合比、膨脹劑等因素對墻體徐變溫度應力的影響。
  18. We may all agree that the local physics of fracture or friction play a strong role, but how do these scale from the controlled conditions of the laboratory to the field case, how do we account for changes in the boundary conditions, and how do we take into account the strong interactions between faults during earthquakes

    我們可能都同意破裂或摩擦的局部物理性發揮重要的作用，但是如何將基於實驗室控制狀況獲得的這種信息用來標度現場地震事例的情況，我們如何去計算考慮邊際狀況中的變化，我們又如何計算考慮地震期間斷層之間強烈的交互作用？ 」
  19. All concrete structures are exposed to volume changes caused by hydration reactions in the early age. if the volume changes are restrained, stresses is generated which will cause cracking when it overcomes the tensile strength. as the mechanical properties of early age concrete vary with time, especially the creep degree depends on the time elapsed and the time at loading, to calculate the stress of concrete structure is a complex nonlinear problem. the finite element method ( fem ) can take account of the evolution of the stiffness properties, the development of thermal strain, creep, shrinkage and so on. in this paper, a general approach for numerically simulating this type of behaviour is presented firstly. then, how to solve this problem is introduced by the general finite element software ansys using the initial stress method. finally, a detailed description of an example calculation that demonstrates the potential of the numerical simulation strategy follows

    早期混凝土由於水化反應都會產生體積變化.如果體積變形受到約束就會產生應力，一旦超過混凝土的抗拉強度就會產生裂縫.由於早期混凝土的力學性能是隨時間變化的，特別是徐變，它不僅與加載時間有關而且同時隨齡期而變化，因此計算早期混凝土結構應力是較為復雜的問題.有限單元法不僅可以考慮混凝土剛度的變化，而且可以考慮溫度、徐變、收縮等因素.本文利用初應力法對通用有限元軟體ansys進行了二次開發，通過工程實例計算了高層建築地下室側墻早期混凝土應力的變化過程，並提出了相應的抗裂措施
  20. Through a lot inside experimentations and field restoring tests, the results shows this material possess the good performance of anti - cracking, anti - distortion, anti - fatigue and anti - milling, effectively extend the lifespan of the bridge deck pavement, and is suitable to rapidly restore the defect of the bridge pavement

    通過大量室內試驗和野外現場修補應用，表明該材料具有優良的抗裂、抗變形、抗疲勞和耐磨性能，能有效延長橋面鋪裝層的壽命，適用於薄層橋面鋪裝層損壞的快速處治。
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