impedance 中文意思是什麼

音標 [im'pi:dəns]
impedance 解釋
n. 名詞 【物理學】阻抗。
acoustic impedance聲阻抗。

  1. Instruments for the measurement of aural acoustic impedance admittance

    聽覺聲阻聽覺聲導納的測量儀器
  2. Electrochemical impedance of interface performances of iron borate buffer solution

    硼酸鹽緩沖溶液界面性質的交流阻抗研究
  3. Impedance cardiogram abbr. icg

    心阻抗圖血流
  4. Then puts forward means of solving flux and impedance disproportion of conflux airflow

    然後又提出了解決各匯流氣流風量和阻抗不均衡的方法。
  5. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析，提出了「虛擬分支」的概念和相應的網路基元模型，並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。
  6. The device mainly consists of integrated phase - shift trigger unit, detection unit, amplification and impedance conversion unit, the smallest excitation limitation unit, reactive regulation unit and three - phase controlled bridge rectifier

    本裝置主要包括集成移相觸發單元、檢測單元、放大及阻抗變換單元、最小勵磁限制單元、無功調查單元和三相全控橋。
  7. Measurement and analysis of multi - frequency electrical impedance in crus after long time seawater immersion

    長時間海水浸泡下小腿多頻電阻抗測量與分析
  8. Zhang y, xie q, guo y, et al., a study on adsorption of electrogenerated cystine precipitate onto au electrode using electrochemical quartz crystal impedance system. chinese chem. lett., 1999, 10, 1057

    張友玉，謝青季，袁玉等.溶菌酶在裸金電極和巰基乙酸或正十二硫烷基醇修飾金電極上的吸附.應用化學， 2002 ， 19 ， 4
  9. Electrical conductivities of quartz, olivine, dunite, iherzolite, pyroxenite, and megaaugite were measured by virtue of the new system ; whereas, the electrical conductivity of gabbro was measured by means of the old one. an interesting outgrowth of the present study is the measurement of the complex impedance of a series of quartz plates with different orientations

    石英（人造水晶） 、橄欖石、純橄欖巖、輝石巖、二輝橄欖巖、巨晶輝石的電導率測量是在新的測量系統下獲得的，而輝長巖的電導率測量是基於lcr儀為測量儀器的測試系統下獲得的。
  10. 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。
  11. Fabrication technology of al cu impedance match eos measurement target

    阻抗匹配狀態方程測試靶制備工藝研究
  12. In this article based on vibration theory of the flexural plate, the frequency equation, the equivalent mass and radiation impedance are derived and further, design theory is introduced

    本文從薄圓板彎曲振動理論出發，推導了這種階梯圓盤的頻率方程、等效質量、等效彈性和輻射阻抗，並進而提出了這種階梯圓盤的一般設計方法。
  13. It is possible for the feed system to have a low impedance, looking downstream from the pressure source at a certain frequency.

    在壓力源下游，供應系統在某一頻率下可能有一低的阻抗。
  14. To achieve the high impedance required specially designed "electrometer" vacuum tubes, field effect transistor must be used in the input stage.

    為適應高阻抗需要，儀器輸入電路中須用特殊設計的靜電計專用電子管、場效應晶體管。
  15. 2000hours low impedance, suit for use in switching power supplies and high frequence circuit

    2000小時，低阻抗，適用於開關電源及高頻電路
  16. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝式六面頂壓機上，對原有的礦物、巖石電性測量系統進行了進一步的改進：建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器，使用mo電極和mo盾來控制樣品氧逸度的測量系統，該系統的氧逸度環境為mo ? moo _ 2 ，接近iw緩沖對。
  17. To broaden the antenna ' s impedance bandwidth and its radiation pattern, a novel printed dipole antenna with reflecting structure of v - shaped ground plane was proposed

    摘要為了擴展天線的阻抗帶寬和改善天線的方向性，提出一種採用了地平面反射結構的新型印製偶極子天線。
  18. Furthermore, problems easy to make mistake are demonstrated, for instance, grounding resistance of large grounding grid is impedance

    研究論證了被一些研究者錯誤理解的關于大型地網接地電阻是阻抗、四極法及其倒相法測量結果為阻抗等問題。
  19. If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential

    如果被保護的節點的電位是（或接近）零電位，採用地線保護環最為合適；如果節點電位是其他值，那麼可以用高輸入阻抗放大器組成緩沖器，輸入端連接該節點，輸出端連接保護環。
  20. 9 21 75 rigid precision coaxial lines and their associated precision connectors. part 4 : 21 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector. characteristic impedance 50 ohms type 9 21 - characteristic impedance 75 ohms type 6 21

    剛性精密同軸線及其連帶的精密連接器.第4部分: 21mm剛性精密同軸線及其連帶的單一型精密同軸連接器.特性阻抗50
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