gas density 中文意思是什麼

gas density 解釋
氣體密度
  • gas : n (pl gases )1 氣,氣體,氣態 〈cf fluid; solid〉 2 可燃氣,煤氣,沼氣;【礦物】瓦斯。3 【軍事...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method, 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0. 92, fe0. 08 ) sio3 with the average initial density 3. 05g / m3 from shock pressure 50 gpa to 115gpa, using two stage light gas gun

    本文研究取得的認識主要有以下幾點: ( 1 )用阻抗匹配法和電探針技術在80 115gpa壓力范圍內對平均初始密度為3 . 05g / cm ~ 3的頑火輝石樣品進行了5發hugoniot狀態實驗測量。
  2. Liberation of hydrogen gas would be increased rapidly and sic particles on the surface might be dispersed if the current density exceed the upper limit. furthermore, nickelous hydroxide would be deposited because the ph of plating solution nearby the surface rapidly increased. all of above might result in coating deterioration

    若電流密度過大,超過所允許的上限值,會析出大量的氫氣,可能沖散表面覆蓋的sic微粒,而且易使磨頭表面鍍液ph值急劇上升而形成氫氧化鎳沉澱,導致鍍層質量惡化。
  3. First, the geometry of pna molecule in gas phase is optimized on the base of density functional theory

    首先在密度泛函理論基礎上優化了汽相下pna分子體系的幾何結構。
  4. The nonlinear optical properties of pna molecule in gas phase are studied on the base of time dependent density functional theory

    本文在含時密度泛函理論基礎上研究了汽相下pna分子體系的非線性光學性質。
  5. So although there are better oiliness in peng ii, peng iii, peng iv gas pool and there are industrial off - take potentia after compressive fracture, this gas pool belongs to lower permeability, convention sand - density sand, little to middle throat - punctate pore, sealing elasticity gas drive, partly poor water drive, normal pressure, net gas, lithologic trap to nose - like structure - lithology compounding trap model

    所以,雖然新都氣田蓬萊鎮組蓬二、蓬三、蓬四段有良好的含油氣性,且經過測試均獲得工業產能。但總體上該氣藏隸屬低滲常規砂巖?緻密砂巖,小及中喉?細孔孔隙型,定容封閉彈性氣驅,部分弱水驅,常壓,干氣,巖性圈閉及鼻狀構造?巖性復合型圈閉氣藏類型。
  6. ( 2 ) according to lambert - beer law and related optical signal processing technology, analysis formula is presented to express the relationship between spectrum intensity and gas density after the two widely used semiconductor light resource led and dfbld functioned with inferred absorption spectrum line

    ( 2 )依據朗伯比爾( lambert - beer )定律和光學信息處理技術,給出了兩種常用半導體光源led和dfbld與紅外吸收線作用后,光譜分量強度與氣體濃度關系的解析表達式。
  7. Cosmic expansion had diluted the density of the gas to the point where collisions were too infrequent to equalize the spin and kinetic temperatures

    宇宙膨脹至此,已將氣體稀釋到一定的程度,使得原子碰撞不再頻繁地讓自旋與動力溫度相等。
  8. As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called

    並不是所有光譜都是黑體輻射光譜,如下圖所示,低壓下的低密度氣體會改變通過它們的光線,這是由於氣體會吸收特定波長的光波並隨機向不同方向把所吸收的光線輻射出來,結果光線在通過低壓氣體后,原本的光譜上會出現很多稱為
  9. The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density

    在傳統流道設計的pemfc中,反應物從流道到催化層的供應和生成物從催化層到流道的排出主要是以擴散為主,而在交叉梳狀流道設計中,以流動帶動的對流傳遞則占據了主導地位,而且這種以對流為主的傳遞機理大大提高了反應物和產物傳遞速率,從而有效地改善了電池的極限電流密度和極化性能等特性。
  10. It shows with the increase of the amount of the mo in the si - mo infiltrant, the density of the infiltrated materials with the same performs increased, but the amount of the free carbon and pore also increased. it was the result of the capillary chocking - off caused by the separation of the mosj2 from the alloy infiltrant during the sintering process. after th thermal treatment at 2050, the amount of the free carbon and pore decreased. also. another cause for the unfully conversion of c into sic was the gas pressure. larger than the capillary force

    實驗表明,對于同一坯體,隨著si - mo熔體中mo含量的增加,浸滲所得材料的密度隨之增加,但是,材料中的殘留c 、氣孔相的含量亦隨之增加。這是由於反應浸滲時,熔體中析出的mosi _ 2阻塞毛細管造成的。含殘留c 、氣孔相的材料進行高溫( 2050 )熱處理后,材料中殘留c 、氣孔相的含量大大減少。
  11. To get mass flow rate of vent gas and coarse aeetaldehyde from their volume flow rate data, density compensations are performed with regressed relationship between density and ( temperature, pressure and concentration )

    針對包含化學反應過程的生產流程,提出了基於原子衡算的數據調和演算法,並將之應用於乙醛生產過程的數據調和。調和計算中考慮了粗乙醛流量和小放空氣體流量的密度補償。
  12. We say the gas becomes ideal in the zero-density limit.

    我們說在零密度的極限條件下,氣體變成理想的。
  13. Have been put into use and upgraded for many years, perfect quality and tehnology obtained day by day. introduced hot pressing high frequency adhesive equipment and high density sewing machines are used to make the body of airboat, the parts of the body is sewed together in high density before they are adhesived by hot high frequency, three strings used as safety belt are added to the body, the clothe for the body has been strictly examined to ensure no gas escaping

    遙控航空廣告飛艇艇身採用先進的進口導軌輥壓高頻熱合機及高密腳工業縫紉機承製。艇體在艇瓣熱合之前先用結實的線將合線緊密縫合,然後用高頻熱合機熱合,並在艇體上加制了三道束身安全腰帶,艇體布料經過嚴格的光透檢漏法嚴查,確保不漏氣。
  14. This paper probes into some measures for the safety in production from three aspects of doing well the ceiling management of the mining face with complex geological structure, controlling strictly the gas density and spark origin in the mining face, and strengthening the safety training

    從做好地質構造復雜工作面的頂板管理、嚴格控制井下工作面瓦斯濃度和引爆火源、加強安全培訓工作3個方面探討了安全生產的措施。
  15. Method of testing for relative density of gas in urban area

    城市燃氣相對密度測定方法
  16. With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived.

    通過仔細的理論分析,可以推導出如氣體密度、溫度和壓力等各種物理參量,以及紫外輻射和電離輻射的流量。
  17. In this experiment, a neodymium glass laser is used to study the effects of the operating voltage, power density, the height from the observed location of the plasma to the surface of the sample, the location of the sample, the gas composition and the pressure on the intensity and quality of the spectrum

    本文採用高能量釹玻璃激光器,研究了激光器工作電壓、功率密度、等離子體的觀測高度、樣品位置、環境氣體及氣壓對等離子體的譜線強度及譜線質量的影響,獲得了最佳的實驗條件,並測量了金屬分析樣品中某些元素的含量。
  18. The result shows that argon gas can not only promote the excitation of plasma at low pressure, but also improve discharge state, increase the density and activation of reaction radical and improve the quality of diamond films. on the other side, argon can cool the plasma and maintain low temperature of substrate due to its big ionization section and high collision probability with gas molecules

    結果表明,氣體系統中引入氬氣一方面不僅有利於維持低壓放電,而且改善放電狀態,提高反應活性基濃度和活性,提高低溫沉積金剛石膜的質量;另一方面,由於其大的電離截面使其和電子碰撞的幾率大大提高,對等離子體進行冷卻,有利於基片溫度的降低。
  19. The sensor is linear output along with the change of gas density

    傳感器隨氣體濃度的變化呈線性輸出,報警設定值可調。
  20. Infrared gas density meters

    紅外線氣體濃度感測器
分享友人