生態臨界 的英文怎麼說

中文拼音 [shēngtàilīnjiè]
生態臨界 英文
ecologic threshold
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ動1 (靠近; 對著) be close to; face; overlook 2 (來到; 到達) be present; arrive 3 (將要; 快...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  1. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    本文主要做了以下工作: ( 1 )闡述了設備診斷技術的發展過程及發展趨勢,提出了應結合實際對機電設備進行系統診斷的新的技術思路,用實踐證明了應當拓寬設備診斷技術應用的范圍,使設備診斷技術既可以在設備管理和設備維修中得到應用,也可以用於新產品的設計改進及開發等; ( 2 )探討了振動的類型及振動信號的處理方法,設備狀識別常用的方法,監測與診斷系統的基本構成與發展趨勢; ( 3 )介紹了國內外破碎機的發展趨勢,以及雙轉盤沖擊破碎機這一新產品的結構和特點,並根據試機過程中出現的故障,建立了故障樹,並導出了導致故障發的各種基礎事件; ( 4 )研究了轉速的計算方法和原理,用傳遞矩陣法計算出了破碎機內轉盤的轉速。
  2. The promotion effects is stronger with the increase of number of photoperiods, which suggests that the flowering process in salicornia bigelovii torr. is not a " all or none " process. treated with 13 - 18 photoperiods and then transposed to long - daylength ( 17h light / d ), some of the inflorescences of the plants reversed to vegetative condition, which means flowering reversion occurred ( which belongs to inflorescence reversion type )

    畢氏海蓬子開花的日長為15小時,濟南地區最大晝長在6月23日,為14小時40分,並沒有超過其日長,但處于自然日照條件下的畢氏海蓬子直至7月25日才形成花序,在此之前一直處于營養長狀,可能這個階段是成花物質積累的階段,當成花物質數量積累足夠多時,才可促進花序形成和導致開花。
  3. The earth is on the brink of " major biodiversity crisis " fuelled by the steady destruction of ecosystems, a group of the world ' s most distinguished scientists and policy experts warn today

    今天,全世最傑出的一批科學家和政策專家宣布,由於系統持續受到破壞,地球正在面著「嚴重的多樣性危機」 。
  4. Name : liang enshu specialty : jurisprudence grade : 99 environmental pollution and ecological damage have become the significant problem that mankind is faced with together, at the same time also become the important program that worldwide experts and scholars pay much attention to generally

    環境污染、破壞已經成為人類共同面的重大問題,同時也成為全世專家和學者普遍關注的重要課題。
  5. The project plans to implement the main studies in five aspects on the three key scientific issues and considering the needs of practical control, which include : 1 ) study of mechanisms and regularities of water cycle and water resources evolution in the haihe river basin ; 2 ) study of evolutionary and restoration mechanisms of water environment and ecology in the haihe river basin ; 3 ) study of basic theories and methodology for the assessment of utility of moisture use on different scales ; 4 ) study of mechanisms of water cycle and high efficiency water use for farmland and urban units ; and 5 ) study of integral multi - dimensional critical control of water cycle system of river basins

    圍繞三大關鍵科學問題,結合實踐調控需求,項目擬開展五方面的主要研究:海河流域水循環與水資源演化機理與規律研究;海河流域水環境與演變機理與修復基礎研究;不同尺度的水分利用效用評價基礎理論與方法研究;農田與城市單元的水分循環與高效用水機制研究;流域水循環系統的整體多維調控研究。
  6. The contents of this theory are divided into six parts, they are : ( 1 ) self - organized criticality, transient chaos, the edge of chaos and weak chaos ; ( 2 ) the coupling and interactions as well as the coherence and cooperation of multicomponents ; ( 3 ) the fractal dynamics of evolutionary processes ; ( 4 ) the spatio - temporal structures of processes ; ( 5 ) the dynamics of fractal growth ; ( 6 ) the theory of finite - size scaling

    將上述命題演繹和整合成一種廣泛適用於地質系統的地球科學的復雜性理論,名之為: 「地質作用的自組織過程動力學? ?地質系統在混沌邊緣分形長」 ,並將其內容歸納成6部分: ( 1 )自組織性、瞬混沌、混沌邊緣和弱混沌, ( 2 )多組分的耦合與相互作用及其相干與協同, ( 3 )演化過程的分形動力學, ( 4 )作用的時空結構, ( 5 )分形長動力學, ( 6 )有限大小標度理論。
  7. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。
  8. City itself is not only the greatest consumer of physical energy in nature, but also the greatest producer of wastes. the ecological problems in confrontation are particularly serious

    城市本身作為自然中最大的物質能源消耗者,同時也是最大的廢物產出者,面環境問題尤其嚴峻。
  9. And then, we specially study the effect of spin interaction ' s anisotropy on the critical temperature tc. from what we have observed we suggest that the critical temperatur tc grows as the anisotropy intensifies, while the system magnetization becomes weaker. the system becomes id if the anisotropy ratio r goes to infinity, and its equilibrium state keeps zero magnetization at any finite temperature, which confirm that there is no observable transition for id system

    其後,著重研究了自旋相互作用的各向異性程度r對其溫度t _ c的影響,總結出:隨著系統各向異性程度的增強,系統的溫度向高溫轉移,而系統的磁化強度在不斷的減弱;當r趨近於無窮大時,系統演變為一維系統,系統在任何有限溫度下達到的平衡始終保持磁化強度為零,這也證實了一維系統不發相變
  10. By introducing co - competition coefficient, in this paper, the primitive coordinated model that two species have the minimum critical population from biology is applied to analyze the co - competition quantity of suppliers

    摘要通過引入合作競爭系數,利用學中兩種群具有下點的原始協作系統模型分析了合作競爭下的供應商數量。
  11. How to use and develop the salted soil in order to increase crop production and improve environment is one of the top projects all over the world

    如何利用和開發鹽漬化土地,提高作物產量和改善環境是全世的重大課題。
  12. Pole, thin plate, thin shell in the electromagnetic elastic system, etc. when there is no machinery to restrain, the system has an unstable movement mode at least, and while exists restrain, after up to a certain critical value in electric current or the magnetic fielding, buckling must take place in the system

    電磁彈性系統中的桿、薄板、薄殼等,當沒有機械約束時,系統至少存在一個不穩定的運動模,而存在約束時,當電流或磁場達到某一值后,系統將發屈曲。
  13. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發相分離的過程,它適用於上共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究
  14. For the high pressure phase equilibrium system composed of co2, h2o, cacl2, etc., co2 is treated as super critical fluid truly, the volume of which is estimated by bwr state equation suitable for super critical fluid

    考慮了酸液溶蝕的碳酸鹽以及酸巖反應成的二氧化碳對人工裂縫體積的影響,針對裂縫內由二氧化碳、水、氯化鈣等物質組成的高壓相平衡體系,將二氧化碳真實地處理為超,其體積由適用於超流體的bwr狀方程求解。
  15. A novel dissolution viewpoint was developed to explain the mechanism of hydrate formation in supercritical condition. the hydrate former in supercritical fluid phase does n ' t dissolve into the aqueous phase in the form of single molecule

    提出了超下的水合物成機理,認為針對水合物成的溶解、成核和長三個機理而言,超流體的特殊性集中體現在溶解機理上。
  16. Chapter 2 deals with the fundamental theory and methods of bifurcation. the conditions giving rise to the static bifurcation are derived at first, then, the improved ls reduction method is studied and the centre manifold method is simplified

    第二章研究分岔的基本理論和方法,推導了一般一維非線性微分動力系統發鞍?結分岔、叉式分岔和跨分岔等基本靜分岔的條件,改進和簡化了高維非線性微分動力系統的降維方法。
  17. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時,軸向和環向載荷的比率不同,母層和子層可能發拉伸屈曲,也可能發收縮屈曲,或者同時發拉伸和壓縮屈曲;母層與子層各向異性存在差異,即泊松比與剪切模量不匹配時,將使子層板的邊上承受壓縮和剪切作用,當分層達到則發屈曲,當母層與子層的各向異性差異越大,則發分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  18. Sino group is pleased to offer help by sponsoring wwfs big fish count, to arouse public awareness of the danger facing our marine environment

    信和集團亦義不容辭,希望能透過資助世自然基金會舉辦觀魚大賽,令市民大眾意識到香港海洋現時面的危機。
  19. Abstract : taking ecological labels as the basis, the article investigates the residue and origin of pesticide on natural fibre fabrics, and detection means for trace harmful substances on textiles, e. g. liquid - liquid extraction, supercritical fluid extraction and the latest solid - phase microextraction - gas - phaseamass spectrum technique

    文摘:以?標簽為基礎,討論了天然纖維織物上殺蟲劑的殘留情況及來源,紡織品上微量有害物質的檢測分析手段,如液?液萃取技術、固相萃取技術、超萃取技術以及最近出現的固相微萃取?氣相?質譜技術。
  20. The extreme values of the local steam content in steam generating tubes from the furnace side are shown in fig. 2. as is seen, the critical heat flux levels corresponding to them can reduce to real values in these cases, especially when their mentioned increase in transient processes is taken into account

    極值的地方蒸汽量蒸汽發器管子從爐側列圖.不應純粹是見過的熱流水平相應可以減少實際值在這種情況下,特別是當他們提到增加,在暫過程中考慮進去
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