導帶底 的英文怎麼說

中文拼音 [dǎodàide]
導帶底 英文
bottom of conduction band
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  1. Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record

    粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ （ 13 ）及底質沉積物的c ~ （ 13 ）等多方面研究表明：以黃海暖流為主導，南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質，黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。
  2. With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature

    含有少量雜質的剛玉晶體（ - al _ 2o _ 3 ）不僅由於其色澤艷麗成為人們珍愛的名貴寶石，而且由於它具有的優異性能，被廣泛應用於電工、機械、激光器，光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料，用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料（禁帶寬度3 . 37ev ） ，現已發現具有室溫下受激發射特性，有可能實現室溫下半導體紫外發光。
  3. Some results are interesting, for example, in our calculation, there are no reconstruction in the cleaned pbte > pbse > pbs ( 001 ) surface. but there are different rumple occurs. unlike the iii - v and ii - vi semiconductors, there are no surface states in the fundamental gaps

    在表面電子結構特徵方面，與111一v族和n一vl族化合物不同，基本帶隙中不引入表面態，而在導帶頂和價帶底附近以及更深能級中出現表面態或表面共振態等。
  4. Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper

    目前，復合圈閉勘探及研究工作在我國還比較薄弱，本文以板塊構造學、復式含油氣系統等理論為指導，通過對塔北地區石油地質特徵的整體解剖，從動態的角度，綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域，根據鉆、測井及地震剖面精細解釋成果，採用封閉面編圖、不整合面頂底板地層巖性疊置關系編圖方法和jason及三維相干數據體等地球物理反演技術，發現大型復合圈閉顯示2個，中小型復合圈閉4個，復查落實大型復合圈閉3個，並通過典型油氣藏解剖，分析了塔北地區復合圈閉成藏主控因素分析。
  5. Counterbores with morse taper shanks and detachable pilots

    帶可換導柱錐柄平底鍃鉆
  6. The authors hold that the joint actions of numerous factors such as the upper mantle uplifted zone ( the mantle thinned zone of lithosphere ), the upper mantle anomalous area ( relatively low - velocity area ), the uplifted zone of intracrustal high - conductivity layer, the deep fault ( shear zone of lithosphere ), the margin of the crust - upper mantle uneven masses, the basement uplifted area reflected by gravity high, the magmatic belt and tectonic intersection reflected by skipped magnetic field, control the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者認為，上地幔隆起帶（巖石圈地幔減薄帶） 、上地幔異常區（相對低速區） 、殼內高導層隆起帶、深斷裂（巖石圈剪切帶） 、地殼上地幔不均勻性塊體的邊緣、重力高反映的基底隆起區、跳躍磁場反映的巖漿巖帶和構造交匯處等諸多因素的共同作用控制著含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈。
  7. ( 2 ) the stress caused by heat of hydration during construction is mainly distributed in the beams, and girders and stress in slab was smaller ; during service process, the stress caused by difference in temperature in different seasons is mainly distributed in bottom components ; the stress caused by difference of inside and outside temperature is mainly distributed in peripheral components of building ; the stress caused by difference in temperature due to sunlight is mainly distributed in the components exposed to the sun. ( 3 ) the control methods brought forward such as setting the reasonable stripping time reducing cast temperature of concrete setting after - treatment joint inflicting prestress arranging steel for construction requirement and so on are effective and their application may be extended

    在使用期，由季節溫差作用引起的結構內力主要分佈在底層構件上；由內外溫差引起的內力主要分佈在建築物外圍構件上；由日照溫差引起內力主要分佈在向陽面的構件上； （ 3 ）在施工階段，可採取使用導熱性能較好的模板、合理設計拆模時間、降低澆築溫度等措施來減小水化熱引起的結構內力；採用設置后澆帶的措施來減小結構在整體降溫情況下產生的溫度內力。
  8. Usually, gaas is employed as substrate for the growth of wide band - gap ii - vi semiconductors due to their similarities in lattice constant. however, as a mature semiconductor material, si has serves electronics greatly

    以往的寬帶-族半導體都是以gaas為襯底材料的，這就造成了寬帶-族半導體光電子材料與si基微電子技術的分離。
  9. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    （ 6 ）建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出：建壩后河谷的巖體應力量值明顯增高，同時左岸的張應力區的范圍及量值明顯減小，主應力的方向依然與模型的底邊界垂直；大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時，滑坡體及壩體總體上仍處于穩定狀態；水位驟降時，在未考慮其他外力作用的情況時，滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用，壩體將在滑坡體下滑推力的作用下產生破壞；建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出，在最危險的工況條件下，壩體及滑坡體也將處于臨界狀態；在長期滲透變形的作用下，由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。
  10. However, many hong kong people are still not aware of the existence of these marine treasures. there s a need to educate the public and students on our great underwater diversity, which is a fascinating mix of tropical and cold - water species. in addition to raising public awareness on our marine resources in hong kong, we will use the fish counts to compile a fish biodiversity database that will be added to each year to aid marine conservation efforts, " said dr andy cornish, local fish expert and adjudicator of the big fish count

    本地魚類專家兼觀魚大賽裁判andy cornish博士表示：本港海面面積達1 ， 650平方公里，棲居其中的海洋生物種類繁多，包括1 ， 000種熱帶與溫帶魚類，以及逾80種珊瑚然而許多香港市民並沒注意到這些海洋寶藏的存在，本會認為需要加強教導公眾與學生認識海底下多姿多採的熱帶和溫帶生物品種。
  11. 3. polycrystalline lif thin films were grown by thermal evaporation on amorphous substrates. properties of broad band photo - luminescence at room temperature of active channel ( f2 and fa + ) produced by electron beam irradiation were studied

    首次用熱蒸發法在玻璃襯底上制備了多晶lif薄膜平面波導，研究了由電子束照射產生的有源（ f _ 2和f _ 3 ~ +色心）溝道的室溫寬帶光致發光特性。
  12. The increase of quantity of blood vessel of the graft will decrease the quantity of ligament constitution. in order to preclud the course of the ischemic necrosis and revascularization of the graft, reserving the graft blood supply operation is very necessary. therefore we can draw conclusion that the patellar ligament contains blood vessels reconstruction of the anterior cruciate ligament is a feasible method at clinic

    在韌帶的血管數量增多會明顯降低韌帶組織的數量，導致移植物強度的下降，為了消除移植后缺血壞死和再血管化過程，手術中最大可能的保留移植物的血供，保留了移植物的血液供應，手術后組織能夠存活，髕腱移植物的缺血壞死及再血管化過程可以減少到最低限度或者徹底避免。
  13. It is shown that the high hardness and low thermal conductivity promote the formation of transformed asbs, and the deformed asbs will form if low hardness and high thermal conductivity are involved ; for steel with both high hardness and thermal conductivity, the transformed asbs will transform into deformed ones, due to that the fast heat conduction from high temperature asbs results in rapid temperature rise around and thus decreasing the hardness

    研究結果表明：鋼的高硬度和低熱導率有利於形成相變帶；反之，則傾向于形成變帶；對于具有高硬度和高熱導率的鋼，由於高溫相變帶區域的熱量迅速傳遞到周圍的基體組織而使其溫度升高、硬度降底，形成的相變帶會向形變帶轉化。
  14. We find that the relations between the electronic effective mass of lowest - lying conduction band and wave vector are resemble, not only for narrow - gap semiconductor zigzag tubes but also for wide - gap semiconductor zigzag tubes. the electronic effective masses at bottom of lowest - lying conduction band depend on their tube - diameters

    我們發現，無論是鋸齒型窄隙半導體管還是鋸齒型寬隙半導體管，同一類管的最低導帶的電子有效質量隨波矢變化的規律基本相同，且其導帶底的電子有效質量隨管徑的增大而減小。
  15. Again, the electronic effective masses at bottom of lowest - lying conduction band of narrow - gap semiconductor zigzag tubes are inversely proportional to square of their tube - diameters. as for chiral tubes, the electronic effective masses at bottom of lowest - lying conduction band contact with their tube - diameters and chiralities

    此外，鋸齒型窄隙半導體管導帶底的電子有效質量與其管徑的平方成反比關系；對于螺旋型管，其導帶底的電子有效質量不僅與管徑相關，而且與螺旋度也相關聯。
  16. Wave off into shallow waters, seabed by the friction effect change steep wave front, trough ice, water points trajectory showed reciprocating flow, but also to the shore into the flow speed usually return rate greater than offshore, the net result of sediment at the bottom to the shore handling, and was the shock waves on the shore with the water current - riviera online accumulation

    外海波浪傳入近岸淺水區，受到海底的摩擦作用，波鋒變陡、波谷變緩，水質點運動軌跡呈現往復流動，而且向岸進流速度通常大於離岸迴流速度，導致底部泥沙凈向岸搬運，並被激岸浪的上沖水流帶至海濱線上堆積。
  17. Effective masses at the top of valence band and at the bottom of conduction band are deduced from the band structure

    價帶頂和導帶底的有效質量從計算得到的能帶結構中求出。
  18. A type of two layers pbg structure band stop filter with holes in the substrate is introduced in this paper, it detaches the substrate and microwave circuit, which solves the problem of placing microstrip line and helps to manufacture and amend, both the simulation result with hfss and measurement results are given out to identify its possibility

    摘要本文介紹了一種雙層結構的基於襯底打孔的pbg結構帶阻濾波器，採用了周期結構與微帶電路分離的設計，解決了傳統的打孔結構的導帶加工問題，並且有利於電路的加工和修改。
  19. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of zno thin films shifted toward higher wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of zno thin films shifted toward lower wavelength

    實驗還發現，隨著襯底溫度的升高，薄膜中產生的氧空位將會增多，使得zno薄膜的電導逐漸增大，而且其紫外透射吸收截止邊帶向高波長方向漂移；隨著氬氧比例的增加，薄膜中的氧缺陷相對減少，薄膜的透射吸收截止邊向低波長方向漂移。
  20. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of ito thin films shifted toward lower wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of ito thin films shifted toward lower wavelength

    實驗還發現，在一定的溫度范圍內隨著襯底溫度的升高，薄膜中產生的氧空位將會增多，使得ito薄膜的電導逐漸增大，而且其紫外透射吸收截止邊帶向短波長方向漂移；隨著氬氧比例的增加，薄膜中的氧缺陷相對減少，薄膜的透射吸收截止邊向低波長方向漂移。
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