空氣化學的 的英文怎麼說
中文拼音 [kōngqìhuàxuéde]
空氣化學的
英文
aerochemical- 空 : 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...
- 氣 : 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...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 的 : 4次方是 The fourth power of 2 is direction
- 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
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The results indicated that the synthetic mviia was reduced and oxidized in a buffer containing acetamide / guanidine hydrochloride by air oxidization in the room temperature and obtained a relatively well oxidization result, the synthetic mviia showed 100 % of physiological activity of native mviia, but obtained 1 % product of synthetic crude peptide
結果表明,合成的mviia在乙酸胺/鹽酸胍緩沖體系,室溫下採用空氣氧化法時獲得了較好的復性結果,合成復性的mviia幾乎具有天然mviia的100的生物學活性,但產率只有1左右。The oxygen reduction catalyst is the key material of air electrode used in the metal - air battery and the electrochemical oxygen generator
氧還原催化劑是金屬空氣電池和電化學制氧空氣電極的核心材料。There are a few problems of air pollution by chemicals, lint, etc., but these are minor.
化學品、棉花等也造成一些空氣污染問題,但這是次要的。Workplace atmospheres - guide for the application and use of procedures for the assessment of exposure to chemical and biological agents ; german version en 14042 : 2003
工作場所空氣.暴露于化學和生物制劑的大氣評定程序的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劑熱力參數、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。Iron rusts at its exposure to the open air on account of the corrosion made by the destructive chemical attack of a l coming into contact with such media as air , water and moisture
金屬在接觸空氣、水和濕氣等介質時會受到破壞性的化學侵蝕,由於這種腐蝕,鐵暴露在露天時要生銹。Iron rusts at its exposure to the open air on account of the corrosion made by the destructive chemical attack of a metal coming into contact with such media as air , water and moisture
金屬在接觸空氣、水和濕氣等介質時會受到破壞性的化學侵蝕,由於這種腐蝕,鐵暴露在露天時要生銹。As a main indoor air pollutant, formaldehyde is very harmful. one of the harmful effects is airway irritation or airway neurogenic inflammation which results in sick building syndrome ( sbs ), multiple chemical sensitivity ( mcs ) and so on. since indoor air formaldehyde pollution is getting more serious than before people take more attention on it
作為室內空氣主要污染物之一,甲醛的危害是多方面的,其中之一就是氣道刺激作用或稱氣道神經源性炎癥,可以導致不良建築物綜合征( sickbuildingsyndrome , sbs ) 、多重化學敏感癥( multiplechemicalsensitivitv , mcs )等。The ratio of air to fuel for which perfect combustion takes place is called stoichiometry.
實現完全燃燒時的空氣和燃燒的比率稱為化學當量比。More research is needed to develop effective methods of removing volatile chemicals from waste streams without contributing to the problem of air pollution.
要注意多研究從廢水中除去揮發性化學物質而又不引起空氣污染的有效方法。Cuhk has taken action steps to improve air quality on campus. all cuhk school buses have already been installed with diesel oxidation catalytic converters
香港中文大學積極保持校園空氣清新,大學擁有的校巴早已安裝了柴油催化器。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。The authors analyzes the function change of urban in its evolvement and the eco - environmental problems caused by this change. based on this analysis and the method of systems ecology founded by odum h t, the authors discuss the aim and the principle of urban eco - environment planning under the sustainable development ; put forward the general view of urban eco - environment planning in which the kernel is the adjusting of industry structure, land - use structure and spatial pattern ; construct the dynamic simulating model of eco - environment planning of guangzhou city, china which organizes the models of economy, population, the equilibrium of carbon and oxygen, and other models of atmospheric diffusion, rainwater sedimentation, vegetation absorbing to so
在剖析城市演化歷程中的功能變遷與導引的生態環境滯脹類型和危害的基礎上,著重利用系統生態學的原理和方法,探討了可持續發展要求下的城市生態環境規劃的目標原理和研究的內容方法及過程提出了以產業結構土地利用結構和空間格局的調整為核心制定城市生態環境規劃的總體思路創造性地融大氣擴散雨水沉降和植被吸納soIn the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant
其次,本文以荷蘭buggenum電站的空分系統為原型,基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型,並通過模擬,得出了一些有價值的結論:當空分系統的壓力變化時,氧氣產品濃度的響應時間常數為兩小時左右,說明空分系統是igcc電站最大延遲環節;而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內,但在過渡過程中會超出限制,這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。Chemical pollutants released into water or spread through the air are often invisible to the human eye
釋放到水體中或空氣傳播的化學污染物通常是不可見的。Standard test methods for continuous measurement of oxides of nitrogen in the ambient or workplace atmosphere by the chemiluminescent method
用化學發光法連續測定周圍環境或工作場所空氣中氮的氧化物含量的標準試驗方法The making of oyster shell ash has been stopped due to pollution. now in this building, it just shows us the tooling and the application of oyster shell ash
因燒蚵會造成空氣污染的關系早已停燒,館內陳列昔日燒蚵器皿並設有蚵的科學展示及蚵灰的應用,是間小而巧的文化館。" we strongly support the introduction of more measures to improve air quality. however, we have to be objective and scientific about the air quality measurements. it is wrong to report air pollution levels in an arbitrary and unscientific manner, " said the spokesman
發言人說:我們非常支持引入更多的措施以改善空氣質素,但在量度空氣質素時,我們需要客觀和科學化;以任意和不科學的態度去計算空氣污染的水平是錯誤的。Methods for measurement of air pollution - determination of the mass concentration of nitrogen oxides in ambient air : chemiluminescence method
空氣污染的測量方法.第9部分:環境空氣中氧化氮質量濃度的測定:化學熒光法分享友人