electron impact 中文意思是什麼

electron impact 解釋
電子沖擊
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子（學）說。
  • impact : n 碰撞；沖擊（力）；（火箭的）降落[著陸]；【軍事】彈著；影響，效力。 The point of impact彈著點。 ...
  1. Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )

    體積電阻率的測定：當r _ v 10 ~ 8時，製成100 100 4mm板材，用zc36型高阻儀測量；當r _ v 10 ~ 8時，用dt - 9205b型數字式萬用表測試試樣的體積電阻，為了減小接觸電阻對測試的影響，採用銀導電膠將銅片粘接在試樣的兩個端面上，靜置24小時，待銀導電膠凝固，試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。
  2. Electron impact mass spectra of heterocyclic derivatives bearing 1 - aryl - 5 - methyl - 1, 2, 3 - triazole

    三唑的雜環衍生物的電子轟擊質譜
  3. When the flue gas and dust past through electrical fields, they caused impact with positive and negative ion and electron between electrical electrodes to charge electric. the charged particles move and are accumulated to difficult electrical electrode due to effect of electric field force. through rapping method, the dust leaves electric electrodes and drop into the collection hopper, and the remove the dust by transportation system

    是一種煙氣凈化設備，它的工作原理是：煙氣中灰塵塵粒通過高壓靜電場時，與電極間的正負離子和電子發生碰撞而荷電或在離子擴散運動中荷電，帶上電子和離子的塵粒在電場力的作用下向異性電極運動並積附在異性電極上，通過振打等方式使電極上的灰塵落入收集灰斗中，使通過電除塵器的煙氣得到凈化，達到保護大氣，保護環境的目的。
  4. At the same time, the impact and tensile strength enhanced adding nanocrystal pvc. scanning electron microscopy was utilized to observe the structure of nanocrystalline pvc

    利用掃描電鏡觀測了破碎所得納米晶pvc的結構，結果顯示破碎pvc粒子產生片狀結構。
  5. We have more interest in benzofuroxans with amino and nitro substituents because the effect of pushing electron of amino group increases the bond energy of c - no2, and there are strong intramolecular and intermolecular hydrogen bonds between amino and nitro group. these hydrogen contacts can make the molecular structure more stability. so aminonitrobenzodifuroxan may have good heat resistance and low impact sensitivity

    所以我們對氨基硝基苯並氧化呋咱這類炸藥更為關注，因為氨基的推電子效應使c - no _ 2鍵能增強，且氨基的氫原子與硝基的氧原子間形成強的分子內和分子間氫鍵，更增強了分子的穩定性，所以它們可能獲得優良的熱安定性和較低的感度。
  6. Electron impact ion source ; ei source

    電子轟擊離子源
  7. Standard practice for oil spill source identification by gas chromatography and positive ion electron impact low resolution mass spectrometry

    用氣相色譜法和正離子電子沖擊低解析度質譜法識別溢油源的標準實施規程
  8. Standard guide for identification and quantitation of organic compounds in water by combined gas chromatography and electron impact mass spectrometry

    用氣相色譜與電子沖擊光譜方法鑒別和定量測量水中有機化合物的標準實施規程
  9. The analysis and assessment of environment impact of medical electron accelerator

    醫用電子加速器運行期環境影響分析與評價
  10. Aurora is the highest level of the earth ' s atmospheric gas molecules or atoms from the sun by the high - energy electron impact after the launch

    極光是地球大氣高層的氣體分子或原子受來自太陽的高能電子碰撞后發射的。
  11. Measurement of l - shell ionization cross sections for silver by electron impact

    殼層電離截面的測量
  12. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出： （ 1 ）根據固體與分子經驗電子理論，利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ，可以選擇工模具鋼基體相的強化元素； （ 2 ）根據合金系相平衡熱力學計算及已有的相圖，可以碳化物類型、數量及其相變確定合金元素含量； （ 3 ）新型dm9鋼在強韌性（抗彎強度、屈服強度、無缺口沖擊值）和硬度方面均高於cr12mov鋼； （ 4 ）以dm9鋼與6crw2si 、 7cr2wmovsi （ dm7 ） 、 h13和cr12mov四種模具鋼的實驗比較，進一步驗證了上述冷作模具鋼合金設計方案是合適的。
  13. Electron impact ionization ei

    電子轟擊離子化
  14. The especial properties of cluster will be used in many fields such as material project, biology, medicine and electron device etc. the interaction of energized cluster beams with matter is a development of the ion - solid interaction. the impact of a cluster ion can provide transient conditions that are significantly more extreme than ion - solid interaction

    特別是c60的發現，引起了科學界的轟動，團簇特有的性質將在未來的信息工程、材料工程、化學工程、生物和醫藥等方面有著廣泛的應用，將按照人們的理想和需要，設計製造出具有特殊性能和功能的材料和器件。
  15. Electron impact desorption ei

    電子轟擊解吸
  16. Electron impact source, ei

    電子轟擊離子源
  17. The speedometer and electron tachometer, which developed and produced by ourselves, use the high precision impulse control system, the core is micro processing unit, has featured of impact design, powerful functions, easy to operate and reliable performance

    公司自行設計開發製造的車速里程測試儀以單片機為核心的高精度轉速控制系統。具有結構緊湊功能全外型美觀操作簡便運行可靠等特點。
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