裂變的 的英文怎麼說
中文拼音 [lièbiànde]
裂變的
英文
fissile-
For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。Apatite fission - track records of mesozoic and cenozoicepisodic reactivation of the tianshan and west kunlun mountains
新生代幕式活動的磷灰石裂變徑跡記錄During the previous analysis of asphalt pavement structure with cracks, the stress intensity factors were usually calculated approximatively using plane strain model for some limitation. however, the assumptive load of this model is not coincident to the practical load
在以往分析含裂縫的瀝青路面結構時,由於條件的限制,通常是假設瀝青路面結構近似為一平面應變模型,但是這種模型所假設的荷載與實際作用的荷載有較大的區別。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。As a result, there is less attenuation of the gamma rays from the fission products.
這樣一來,從裂變產物中發射出來的射線的減弱就要少一些。Millet and tobacco were transformed with the thrt ' e plant expression vectors. our observations with transgenic plants showed that the pf40 gene affected the growth of lateral shoots developing in the basipetal pattern early after floral transition. analysisd the transgenic plants showed the pf40 gene can reduced the apical dominance of both millet and tobacco
測量結果表明pf40基因過量表達的轉基因穀子生長素的含量降低為對照的0 . 6 0 . 8倍,而細胞分裂素的含量較對照約升高0 . 2 0 . 35倍,生長素與細胞分裂素的比值在轉基因植物中改變明顯,降低到對照的一半。Niels bohr and john wheeler published a theory of the dynamic process of fission.
尼恩、波爾和惠勒發表了裂變的動力過程的理論。The world at large was less well prepared for the exploitation of nuclear fission.
然而對于核裂變的利用,人類社會還缺乏足夠的準備。The discovery of fission was a seed dropped on fertile ground.
裂變的發現猶如種子落入沃土。The latter property of nuclear fission has a significant implication.
核裂變的這后一個性質有一個重要的應用。Analysis, industrialization medium term are that population develops at top speed to city and town aggregation, industry, estate changes the stage entering fleetness nuclear fission on behalf of promotion, agriculture, rural area and peasant from economic principles
摘要從經濟原理分析,工業化中期是人口向城鎮聚集,工業高速發展,產業換代升級,農業、農村和農民進入快速裂變的階段。Cadmium has the ability to absorb neutrons, so it is used as a barrier to control nuclear fission
鎘有吸收中子的能力,所以它被用作防止核裂變的屏障。The study on the cultural factors in the fission of chinese wushu system
中國傳統武術體系裂變的文化價值因素探析Test method for disintegration of refractories in an atmosphere of carbon monoxide
在一個大氣壓的一氧化碳中耐火材料裂變的試驗方法Both were astonished that their love for each other exploded like a split atom
他們互相傾慕,愛情就像裂變的原子一樣迸發出來,這使他倆頗為驚訝。Such is the power of language, that the mere placement of the words " nuclear " and " terrorism " in close proximity produces a fission of fear
這就是語言的力量,這僅僅是就業中的"核問題"和"恐怖主義" ,在近距離產生裂變的恐懼Pu - 239 would produce fission in the reactor in the same way as u - 235 and contributes in supplying part of the energy for power generation
? - 239亦是易裂變的核素,會像鈾- 235一樣,在反應堆中產生裂變,供應部分能量以供發電。U - 238 can induce fission after absorbing a high energy neutron fast neutron and then forming the plutonium 239 pu - 239, which is a fissile nuclide
后極可能產生裂變的核素,鈾- 238則是可裂變的核素。鈾- 238在吸收高能量的中子快中子后,會形成- 239 pu - 239 。On the base of the above study, the point - the basic reason of this organizational change from hierarchical structure to horizontal structure is the conflict between organization structure and real - time decision - making is put forward
基於上述分析,本文提出了這樣一個觀點:引起這次組織結構從金字塔層級結構到扁平結構裂變的根本原因正是組織結構與實時決策的內在矛盾。The method of numeral simulating the coincidence neutron detection is proposed with combining the neutron transportation and probabilistic calculation. the method is introduced and used to simulate the nuclear warhead induced fission by source neutrons with energy below 1 mev
推導並提出用中子輸運計算與概率方法結合計算符合中子計數,對能量低於1mev的外源中子照射核彈頭誘發裂變的符合中子測量作了數值模擬。分享友人