lower oxide 中文意思是什麼

lower oxide 解釋
低價氧化物
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • oxide : n. 【化學】氧化物。 antimony oxide 銻白，氧化銻。 deuterium oxide 重水，氧化氘。 mercuric oxide 氧化汞。 nitric oxide 一氧化一氮。
  1. With regard to the oxide minerals, chromite is almost entirely contained in the olivine-rich ultramafic rocks in the lower part of the intrusion.

    關于氧化礦物，鉻鐵礦幾乎全部含于侵入體下部的富橄欖石的超鎂鐵質巖石中。
  2. The main work and the conclusion of the article are : ( 1 ) give a suggestion on the reaction mechanism and the principle of catalyst selection. ( 2 ) by comparison of the catalyst activity of solid superacid with the zinc oxide, stannous chlorde and tin ( ii ) octate in the synthesis reaction. we find that although its activity is lower than tin ( ii ) octate, obviously higher than that of traditional zinc oxide and stannous chlorde. from the point of preparation cost, we select solid superacid as catalyst

    但從催化劑的制備成本和工藝的角度選擇，固體超強酸具有明顯的優勢； （ 3 ）制備一系列單組元和雙組元硫酸促進氧化物固體超強酸，並用於丙交酯的合成反應，篩選具有最佳活性的固體超強酸催化劑： （ 4 ）使用so2 - 4 / zno - sno2 （ 2 ： 1 ） la3 +固體超強酸作催化劑，反應脫水時間1
  3. Compared different on oxygen content, temperature under three configurations. discover that nitrogen oxide emission is lower outstanding in the fuel / 2nd air counter flow configuration than other two configurations and try to discuss this reason

    分析了不同構型下溫度變化的特點，對氮氧化物生成的影響，在空氣與燃氣逆向給進的構型中，氮氧化物生成量明顯低於其它方式。
  4. Abstract : propylene alcohol ethers is one of the fine chemicals with many uses and lower toxicity, which is widely studied now. the research progress on the catalysts in the etherification of propylene oxide with alcohol was reviewed in this paper

    文摘:丙二醇醚是一種低毒用途廣泛的精細化學產品，目前國內外對其生產工藝與催化劑的開發廣為關注.本文作者較為系統地概述了國內外有關合成丙二醇醚催化劑的研究現狀
  5. The black aluminium oxide abrasive lower aluminium oxide abrasive is a new type abrasive material for polishing various metal works

    黑剛玉砂又名"低鋁剛玉砂鐵砂粉"是一種新型拋光材料。
  6. A basic variety of aluminium oxide, white colour its hardness is higher and toughness slightly lower than that of a

    剛玉的基本品種，白色，與棕剛玉相比，硬度高、韌性稍低。
  7. The tritium permeability in 316l with films was measured at various temperatures, the results show that the tritium permeability in 316l with tin and natural oxide film are 2 orders of magnitude lower, that in 316l with sio2 is 3 - 4 orders of magnitude lower, that in 316l with tin + tic + tin is 4 - 5 orders of magnitude lower, and that in 316l with tin + tic + si02 is 4 - 6 orders of magnitude lower than that in 316l with pd film, at 200 - 600 ?

    測量了不同溫度下的帶膜316l的氚滲透率，發現在200 600范圍內，鍍tin膜與帶天然氧化膜的316l性能相近，均比鍍鈀316l降低2個數量級。鍍sio2膜比鍍鈀316l降低了3 4個數量級，鍍tin + tic + tin膜降低4 5個數量級，鍍tin + tic + sio2膜降低4 6個數量級。
  8. With time - evolution - operator, it is proved that the population of upper level is in circumstance of cyclic oscillation by laser pulses pair of gaussian line - shape in a homogeneous broadening two - level system. the oscillatory time oxide is the delay time between the laser pulse pairs and the oscillatory frequency equals the one of transition between the lower and upper level

    引入時間演化算符，證明均勻增寬二能級體系在飛秒激光脈沖對作用下上能級激發態布居是周期性變化的，它以飛秒脈沖對之間的延時為時間軸，以該原子能級之間的躍遷頻率為振蕩頻率
  9. Higher efficiency of calcium oxide per unit weight, lower price and reduced transport space requirement militate in favour of burned lime

    單位重量的生石灰的高效能，低價和較小的運輸空間要求使得燒石灰倍受寵愛
  10. It uses electronic control technology and places an oxide sensor in emission system, then according to the change of the rate of the air to fuel, adjust automatically the ejection of fuel. so it can improve dramatically the automobile performance. after installing three - way catalytic converter, it can make the pollutions lower 20 % ~ 50 % than the same vehicle, and the power of car reduce only 5 %

    對于適合我國現階段的電子閉環控制lpg燃料混合系統進行研究，此方法採用電子控制技術，在排氣系統中安裝了氧傳感器，可以根據排氣空燃比的變化，自動反饋調節供氣量，使燃氣汽車性能得到改善，安裝三元催化轉換器后，可以使污染物排放較同等水平的汽油車降低20 - 50左右，而發動機功率下降僅達5左右。
  11. The stainless steel and carbon steel can be excellently bonded under lower pressure by using silver intermediate sandwich materials and the oxide film on stainless steel can be destroyed effectively by argon gas shielding in the heating process

    結果表明，採用自製的銀基中間夾層材料可以使兩種母材在較低的壓力下實現良好的復合；加熱過程中採用氫氣保護能夠有效地去除不銹鋼表面緻密的氧化膜。
  12. The nanometer powder had lower sintering temperature than oxide powder because of its high surface activation and the difficulty of sintering fine material because of gas transport process predominating the sinter process

    納米粉體具有高表面活性，能在更低溫度下實現燒結，但同樣是因為高表面活性，使鋰揮發現象加劇，氣相傳質在燒結過程中佔主導地位，難以燒結出緻密材料。
  13. The result indicates that engine using blends keeps the good power capability and economical capability. as far as emission is concerned, carbon oxide of blends is lower than that of gasoline, and hydrocarbon emission of blends is the same as the engine using gasoline, but the nitrogen oxide emission is higher than the gasoline engine

    試驗結果顯示，發動機燃用混和燃料后依然保持較好的動力性，發動機的能耗率比燃用純汽油明顯降低；發動機的co排放要明顯好於燃用純汽油時的co排放， hc排放相仿，但no的排放卻較燃用純汽油時嚴重。
  14. Cyclic voltammetry indicated that the reaction mechanisms of micro - and nc copper are identical, but the anodic peaks current density of nc copper is much lower than that of mc copper. the potentiometric analysis demonstrated that the pitting corrosion seemed to happen earlier on nc copper surface than on the mc surface. the xrd found cu2o on nc copper surface while no oxide was found on mc copper surface

    陽極極化實驗表明，納米晶銅的致鈍電位、致鈍電流和維鈍電流都比微米晶銅要低。循環伏安法表明兩者的反應機理沒有根本的區別，但對陽極電流峰的電流值來說，微米晶要高於納米晶，陰陽極峰的距離來說，微米晶要近一些。
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