超臨界質量 的英文怎麼說

中文拼音 [chāolīnjièzhíliáng]
超臨界質量 英文
multiple crit
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 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...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  1. Some cubic perovskites are good cases in point such as srtio3 and ktao3. experimental results show that when ba2 + and li + are doped into the above materials respectively and at the same time the impurity content is higher than their critical concentration, the impurity induced ferroe lectric phase transition occurs

    Srtio _ 3和ktao _ 3是典型的子順電體,實驗表明當兩者分別摻雜ba ~ ( 2 + )和li ~ +且雜濃度過各自的濃度時,順電相不再穩定,出現由雜導致的鐵電相變。
  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生長狀態,可能這個階段是成花物積累的階段,當成花物積累足夠多時,才可促進花序形成和導致開花。
  3. The addition of matter over this critical value would lead to the collapse of the star without limit because of the ever-increasing gravitational forces.

    值時,增加著的引力將造成恆星的無限坍縮。
  4. Utilize sound wave and ultra dark wave detection technique go on general survey on a large scale, through judge to data critical value or through set up this area measure parameter data base, and compare data measured with it, differentiate the quality defect

    即利用聲波和深波檢測技術進行大范圍普查,通過對數據值的判定或通過建立本地區檢測參數數據庫,並將檢測的數據與之比較,判別缺陷。
  5. Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    文摘:首先介紹了三種動力學模擬流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分平衡的模型) ,然後模擬了在聲存在的條件下流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點
  6. The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    摘要首先介紹了三種動力學模擬流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分平衡的模型) ,然後模擬了在聲存在的條件下流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點。
  7. A shrinking population will make it difficult to accumulate certain kinds of high - end human capital that require a critical mass to be functional. this will be much to the detriment of our efforts to nurture a knowledge - based economy

    要達致人才匯聚,需要聚集過所謂""的優人才,才可發揮作用。人口下降會妨礙人力資本累積,對于發展知識型經濟極為不利。
  8. Using red peppers as raw materials, to extract capsaicinoids by the methods of soxhlet extraction and supercritical fluid extraction and supercritical fluid extraction and supercritical fluid extraction, then analysed and compared on the color value, yield and the percentage of capsaicinoids content of the capsicum oleoresin and capsicum red pigment, which were made by the two methods, and detect the quality of pigment

    摘要以紅辣椒為原料,採用索氏提取萃取和二次萃取法,對兩種方法得到的辣椒油樹脂、辣椒紅色素進行了色價、產率、辣椒素含的分析比對,並對色素的進行檢測。
  9. Results show when produce capsicum red pigment, soxhlet extraction and supercritical fluid extraction is a good method for its low cost and good quality of pigment ; using the method of supercritical fluid extraction and supercritical fluid extraction, the color value of capsicum oleoresin and the percentage of capsaicinoids content of the intermediate are higher

    結果表明,生產辣椒紅色素,索氏提取萃取是比較好的方法,成本低,所得色素也不錯;二次萃取的方法,中間產物辣椒油樹脂的色價和辣椒素含比較高。
  10. This change is a break when the outside conditions exceed a threshold value with gradually variety. the break is equal to the non - equilibrium phase transition in thermodynamics. ( 6 ) there are two kinds of stable channels

    河型轉化是在外條件緩慢變化過程中,過某一值而發生的突變,這種突變相當于熱力學中的非平衡相變,是由某些參數的漸變引起的從變到變的一個過程。
  11. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於態模型與高溫導體的有效理論,建立了高溫導帶材及並聯堆疊帶材的交流損耗與電流的各向異性理論模型;給出了高溫導帶材的交流損耗及電流隨(交、直流)背景磁場與導帶面夾角變化規律的理論公式;依據所建立的高溫導短樣帶材的各向異性理論公式,給出了高溫導線圈交流損耗的數值計算模型;並利用該模型,計算了高溫導雙餅線圈的交流損耗;並與實驗測結果進行了比較分析。
  12. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外各種因素的影響,常常會產生一些缺陷,對結構物的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。
  13. 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:以生態?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,紡織品上微有害物的檢測分析手段,如液?液萃取技術、固相萃取技術、萃取技術以及最近出現的固相微萃取?氣相?譜技術。
  14. Combining the simplified momentum equation, energy equation and state equation of compressible sticky fluid, this paper establishes the numerical model to study the heat - transfer property of the substances in super - critical waterwall tubes with the newest international water and steam standard - iapws - 97

    本文採用最新的國際水與水蒸汽標準iapws - 97 ,通過聯立求解簡化的可壓縮黏性流體的動方程、能方程和水與水蒸汽的狀態方程,建立數值模型研究水冷壁管內工的傳熱特性。
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