空氣劑量 的英文怎麼說

中文拼音 [kōngliáng]
空氣劑量 英文
free air dose
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  • 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定(法) dosimetry; health work; ...
  1. Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public

    根據輻射源項的資料(即事故釋放源的資料,包括放射性物質的釋放總和各種放射性物質的相對比例等數據)及象數據,這套系統模擬是次核事故所泄漏的放射性物質在中的擴散情況,及預測市民可能受到的輻射
  2. The former is to gain refrigeration volume through the process of adsorbing adsorbate ( cryogen ) by adsorbents ; while in desiccant cooling, solid adsorbent is used to remove the moisture from the surrounding

    吸附式製冷是利用固體吸附對吸附質(製冷)的吸附過程而獲得冷的。吸附除濕製冷是用固體吸附中的水蒸汽部分除去,並與蒸發冷卻等技術結合,達到製冷效果的製冷方法。
  3. Planting bar used syringes from the bottom of the hole to put adequate amounts of external uniform adhesive filling injection hole, pay attention not to air hole inclose

    使用植筋注射器從孔底向外均勻地把適膠粘填注孔內,注意不要將封入孔內
  4. Air mass flow sensor cleaner

    美國計清潔噴
  5. Go still one step further on the traditional antibacterial method of mere cataloes, adopt nanotechnology to incorporate the antibacterial catalyst in the top layer of floor, realize long - efficiency trace release antibacterial factor, reach, sterilize, except that peculiar smell and purify the treble efficiency of air

    在傳統的光觸酶抗菌方法上更進一步,採用納米技術將抗菌催化融入地板表層,實現長效微釋放抗菌因子,達到殺菌、除異味和凈化三重功效。
  6. 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熱傳質分析,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,運用質守恆、能守恆和動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變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變化的敏感性; 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熱力參數、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。
  7. The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators

    本文重點是對蒸發器建立動態模擬模型,並對製冷側和側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷進行了動態模擬,而且對影響蒸發器性能的主要參數(側入口風速、入口含濕等)進行了分析和計算。
  8. Determination of residues of fumigant sulfonyl fluoride in cereals by headspace gas chromatography

    糧食中熏蒸硫酰氟殘留的頂相色譜測定
  9. Verification regulation of x or radiation meters for environmontal monitoring absorbed dose rate in air

    環境監測用x輻射吸收率儀檢定規程
  10. Characterization of air quality - workplace atmospheres - method for the determination of vaporous chlorinated hydrocarbons by charcoal tube solvent desorption gas chromatography

    表徵.第3部分:工作場所.第3節:用木炭管溶解吸體色譜儀測定汽態氯化烴的方法
  11. Characterization of air quality - workplace atmospheres - method for the determination of vaporous aromatic hydrocarbons by charcoal tube solvent desorption gas chromatography

    表徵.第3部分:工作場所.第4節:用木炭管溶解吸體色譜儀測定汽態芳香烴氯化烴的方法
  12. The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200

    確定了制備電極的優化工藝條件,催化層中ptfe含約20 , mno _ 2的最佳含約為20 ,催化層中活性炭和乙炔黑的比例為4 : 1 (質比) ,厚度在0 . 15 - 0 . 25mm之間。防水透層中ptfe的含約為60 ,以無水硫酸鈉作為造孔,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透層/集流體的排布方式,冷壓成型,熱處理對電極的性能影響較大,熱處理溫度不低於200 。
  13. Concrete, mortar and grout admixtures. measurement of the percentage of entrained air in fresh concrete using an air meter

    混凝土砂漿和灰漿添加.計測定新拌混凝土內封閉的百分比
  14. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在冷卻時結晶度最大,磨損也是三者中最大的;同時,固體潤滑試樣在冷卻時的磨損也是三者中最大的:不論是固體潤滑與45 #鋼軸配副或是固體潤滑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少聚四氟乙烯、 moo 。
  15. Analysis of rresidual solvents in ceftriaxone sodium by headspace gas chromatography

    相色譜法測定頭孢曲松鈉中多種溶殘留
  16. All those make photocatalytic technique high efficient and economical. so it plays an important part in the developing environmental coating and enhancing the quality of air, and is widely used in the field of environmental protection. on the basis of discussing source and hammess of environment pollutants, the mechanisms, kinetics and factors of effect of photocatalytic treating environment pollutants were studied on the laboratory scale in this thesis

    作為光催化的二氧化鈦具有無毒、化學性能穩定、氧化能力強、且不昂貴、可以重復使用而消耗很少等優點,使光催化具有潛在的高效性和經濟性,因此在開發環保型塗料、提高中發揮了重要作用,在環保領域內獲得了廣泛應用。
  17. Air quality ; determination of mass concentration of sulfur dioxide in ambient air ; thorin spectrophotometric method ; identical with iso 4221 : 1980

    .環境中二氧化硫質濃度的測定.釷試
  18. Air quality. determination of ammonia. nessler ' s reagent colorimetric method

    氨的測定納氏試比色法
  19. Ambient air quality - standard method for measurement of benzene concentrations - part 2 : pumped sampling followed by solvent desorption and gas chromatography

    環境.測苯濃度的標準方法.第2部分:溶吸附和相色譜法后泵送取樣
  20. Ambient air quality - standard method for measurement of benzene concentrations - part 5 : diffusive sampling followed by solvent desorption and gas chromatography

    環境.測苯濃度的標準方法.第5部分:溶吸附和體色譜法后的擴散取樣
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