熱變質 的英文怎麼說

中文拼音 [biànzhí]
熱變質 英文
thermal metamorphism
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  1. Quick diathermancy avoid damage to cmos chip and solder. precise design and good technics avoid damage due to attrition. vacuumize avoid alterative because of oxygenation during transportation. antistatic plastic core

    吸收快,盡可能的避免對晶元和焊盤的損壞;精確的設計和製造工藝避免磨擦對焊盤可能造成的損壞;真空包裝避免?品在運輸途中氧化;防靜電塑料芯;符合美國軍隊及國家宇航局各種標準
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. The food undergoes no deterioration in the tropics.

    這種食品在帶地方不會
  4. Medium - rank bituminites are formed by pneumato - hydrothermal metamorphism on the basis of burial metamorphism, and it is partial

    深大斷裂帶及其附近局部發育的中級煙煤是在深成基礎上,疊加了高溫氣液熱變質作用而形成。
  5. Synthetically analyzed the fracture, earthquake, coal ranks and their distribution, coal seam ' s buried depth and so on, the authors have realised that low - rank bituminites, early - middle jurassic in tianshan area, are formed by burial metamorphism, and it is widespread

    摘要通過對天山地區的斷裂構造、地震、地、煤級及其時空分佈、煤層埋深等因素的綜合分析,認為天山北緣及其鄰區早中侏羅世大范圍分佈的低級煙煤主要由深成作用形成,深成作用具普遍性。
  6. The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole

    而在鉆孔內部,包括回填材料,管壁和管內傳,與鉆孔外的傳過程相比較,由於其幾何尺寸和容量要小得多,而且溫度化較為緩慢,因此通常可以忽略其容量的影響而按穩態傳過程來考慮,建立了鉆孔內的一維和二維的阻模型。
  7. These years, solid adsorption used in heat pumps and refrigerating / air - conditioning systems has been rapidly developed and saved energy because of the demands in the field of energy and environment. most of molecular sieve diameters lie within the nano - scale, but the classical condensation theories show some limitations in explaining the adsorption phenomenon in nanopores

    資料表明,經典傳學的連續介傳遞理論在解釋和預測納米尺度微孔吸附/脫附過程的相特徵方面,存在局限性,相比之下,分子動力學模擬能克服這一缺陷再現納米微孔中的吸附過程。
  8. The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar

    研究了離心復合鑄造工藝和復合處理對高速鋼輥環性能的影響,結果表明,選用高碳無鈷高速鋼作外層,用球鐵作內層,選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度,結合採用表面感應處理工藝,可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環,用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。
  9. The main achievements obtained in this paper are as follows : 1. some of new recognitions were obtained on such aspects as strata sequence, rock type, metamorphism, hydrothermal alteration and the sedimentary environment by the study on many profiles in this area, with discovery of volcanic rocks for the first time in ore - bearing strata and ore bodies

    取的了如下主要成果和認識: 1 、通過對礦區地層多條剖面的研究,對地層的層序、巖石類型、作用、液蝕及原巖沉積環境有了新的認識,特別是在賦礦地層及礦體中首次發現了火山巖。
  10. However, effect of the inclination angle on heat and mass transfer becomes weak at # > 60 ?

    當60時,傾斜角度的化對傳的影響減小。
  11. This paper is based on practical drilling data of drilled irruptive rock body in western sha segment of huimin depression, rock body subfacies in this phrase and seismic, electric logging features in pyrolysis metamorphic belt are analyzed, so as to summarize a set of practical methods, which identify drilled various subfacies and irruptive rock top and bottom boundary by cuttings log and drill time logging

    本文以惠民凹陷西部沙三段已鉆遇侵入巖體的實鉆資料為依據,嘗試性地對沙三段侵入巖體各亞相帶及解觸帶的地震、電測響應特徵進行研究,總結出一套較為實用的通過巖屑錄井、鉆時錄井手段識別所鉆遇的各亞相帶和進行侵入巖體頂、底界卡定方法,現場應用效果很好。
  12. Based on a comprehensive review on research results of metamorphic rocks, the authors argue that the formation and exhumation of uhpm ultra - high pressure metamorphite experienced two stages, i. e., cold slab subduction and exhumation during 240200ma, and lithosphere delamination and thermal exhumation during 196163ma. the rapid thermal exhumation, co - occurred with extensive regional metamorphism and intermediate - acidic magmatism, implied that the subducted slabs had broken off and delaminated. the

    通過全面評述該區巖研究成果,作者認為:超高壓巖的形成和剝露經歷了240200ma的板片冷俯沖冷折返和196163ma的巖石圈拆沉折返折返伴隨了廣泛而強烈的區域作用和中酸性巖漿活動,指示板片斷離拆沉的發生超高壓
  13. A two - dimensional double diffusive laminar natural convection in rectangular enclosure is detailed analyzed. the results show that when the thermal and solutal buoyancies aid each other, the airflow consists of one main cellular structure and is steady, regardless of the relative strength variation between the heat and pollutant sources. there are multiple flow structures, however, according to the relative strength when the buoyancies opposing each other

    模擬結果表明雙擴散自然對流系統的空氣流動與傳特性完全是由離散源與污染源浮升力之間的相互作用關系訣定的:當離散源與污染源浮升力協同作用時,自然對流呈比較穩定的單一流動結構;而當源與污染源浮升力對抗作用時,自然對流系統隨它們之間強度化呈現出多種流動狀態。
  14. It is pointed out that in the studied area there exist katogene metamorphism ( area ) ; igneous contact metamorphism, where the katogene metamorphism is dominated, the igneous contacting metamorphism is only distributed in yongzheng area etc, for which the influence of thermal evolution is greatly limited

    指出研究區存在深成(區域)和火成接觸兩種類型,且以深成(區域)類型為主,火成接觸類型僅分佈在永城等局部地區,對有機演化的影響范圍極為有限。
  15. The results indicate that submarine hot water deposition is the main ore - forming process of the uranium - bearing vonsenite deposit, and that the economic deposit was formed on the basis of further enrichment of boron and iron through the superposition and transformation by regional metamorphism and migmatization

    研究表明,該礦床的成礦作用主要表現為海底水沉積成礦,區域混合巖化作用對礦床進行了強烈的疊加改造,使硼鐵進一步富集而形成工業礦床。
  16. The genesis of gold deposits is complex in this district, the type of quart - vein plus etch rock belongs to hydro thermally superimposed complex mineralization. the type of porphyry and scraping rock containing charcoal belongs to volcano sediment - alteration hydro thermally gold deposits, the formation of gold deposits is controlled by several factors

    本區金礦床的成因比較復雜,石英脈+蝕巖型金礦屬于液疊加復合成因礦床,含炭火山碎屑巖型金礦屬於火山沉積?液改造型層控金礦床。
  17. Research of thermal characters of different molecular weight polyethylene glycol in phase change process

    不同分子量聚乙二醇的相研究
  18. Standard test method for rubber - deterioration in an air oven

    橡膠的標準試驗方法.在空氣乾燥爐中測定橡膠
  19. This is a model of telemagmatic metamorphism and a character of coal metamorphism early - middle jurassic in northwest of china

    屬于區域巖漿熱變質作用的一種模式,也是西北地區早中侏羅世煤的特點之一。
  20. Standard test method for rubber - deterioration by heating in air test tube enclosure

    橡膠的空氣中加熱變質的標準試驗方法
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