有極鍵 的英文怎麼說
中文拼音 [yǒujíjiàn]
有極鍵
英文
heteropolar bond-
Endangered abies yuanbaoshanensis will probably have been extinct, so it very necessary to studying its genetic diversity with a proper way in order to save this key group of biological diversity in china
元寶山冷杉是具有重大科學價值的類群，目前它卻處于高度瀕危極待保護狀態，要有效保護和挽救這一作為我國生物多樣性的關鍵類群，選擇合適的方法來研究其遺傳多樣性是非常必要的。There are also many compounds, such as, sic, etc, in which the array is held together by localized heteropolar bonds.
也有許多化合物，像，SiC等它們是靠定域的異極性鍵結在一起的。< uk > there are also many compounds, such as, sic, etc, in which the array is held together by localized heteropolar bonds. < / uk >
< uk >也有許多化合物，像， sic等它們是靠定域的異極性鍵結在一起的。 < / uk >The limitations from society, phycology and working enviroment give rise to the lose of editors " rights and the innormal development of culture, so the crux of effective editorial activity and communication is to hold editors " subjectivity high, to fully arouse editors " enthusiasm
中國古代編輯者受到來自社會、心理、工作環境等方方面面的限制，造成了編輯權利的喪失與文化的畸形發展。因此，高揚編輯主體性，充分調動編輯者的積極性、創造性是開展有效的編輯活動、傳播活動的關鍵所在。So it has become an important direction of sar application development. in this dissertation, we studied the methods of terrain measurement using polarimetric sar interferometry, and explored the role of polarimetry in sar interferometry
本文研究的主要目的是以干涉sar和極化sar為基礎，對極化sar干涉測量方法進行探索性研究並建立極化sar干涉測量地形參數的關鍵演算法，具有重要的意義和應用價值。A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well
液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。( 3 ) the polar eddy, the west circumfluence on 500hpa medium latitudinal region ands subtropic circumfluence are the key systems of tpnes floods precipitation and, the wet years have abundant vapor, moreover, the omga is positive in all atmosphere
（ 3 ）極渦、中高緯西風環流系統和副熱帶系統是影響青藏高原東北側區汛期降水的大尺度環流背景關鍵系統。同時，多雨年的主要流場特點是有利於水汽輸送，且整層大氣始終表現為上升運動。Using molecular imprinting method, the 1, 3 - dimethylxanthine theophylline, tho molecular recognition membranes, containing an segments as membrane formation sites and aa segments as functional sites, were prepared by the phase inversion technique. here, tho was selected as a template molecule. the hydrogen bonding between aa segments and the tho templates was measured by ft - ir and nmr. the tho templates can be removed from the membrane through washing with acetic acid aqueous solution. the permeation of tho through the membranes is far more than that of 1, 3, 7 - trimethylxanthine caffeine, caf, which demonstrated the function of tho molecular recognition of the membrane. the results also show that the increase of the tho templates concentration in the cast solution caused an increase of tho amounts taken into the copolymer membrane
Ft - ir及nmr測試結果表明：制備的高分子膜中， tho模板分子和膜中的丙烯酸功能殘基存在著氫鍵鍵合作用。大量的極性醋酸水溶液可抽出膜中的模板分子。 tho溶液和與模板分子具有相似結構的1 ， 3 ， 7 -三甲基黃嘌呤咖啡因， caf溶液的基質透過實驗結果：進入膜結構中tho分子的量遠大於caf分子，這表明制備的高分子膜具有tho分子識別功能。All five valences are the ordinary, nonpolar ones.
所有5個價鍵都是普通的非極性鍵。Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application
熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型，模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明，硼硅堆導致產生一定的非線性，但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而，在相對穩定的環境下，軟黏合劑對傳感器的影響可以忽略.此外，詳細的設計和過程信息有助於提高模型的適用性Owing to resonance stabilization of the conjugate base, an - hydrogen in an aldehyde is more acidic than a hydrogen atom in an alkane, with a typical pka of 17
醛基是帶有極性的，氧原子是碳氧鍵中的負偶極，將碳原子的電子扯向氧原子。Insulation layer and the materials of the nano - electrode play important roles in the electrical property of the nano electronic device
絕緣層厚度以及金屬電極選材等因素對器件性能有關鍵的影響。The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。Teacher is the key to school education. teacher ' s personality and psychological health have some direct or indirect influence on the students " psychology and action and also play a significant role in the success or failure of his own career
教師是學校教育的關鍵所在，教師的人格和心理健康狀況直接或間接地影響著學生的心理與行為，對于教師個人工作的成敗也有極其重大的作用。But the cost of the testing system limit the further intelligent development, and " a / d convert " is the key part of this system. in order to solve this conflict problem this paper gives a method - by adding a few components to at89c2051, and using it ' s internal converter we have designed a a / d module with the function of microprocessor
但是檢測系統的成本在一定程度上限制了傳感器向智能化方向發展，而檢測系統的關鍵部件就是「模數轉換裝置」 ，為了解決這一問題，本文利用具有極高性能價格比的at89c2051單片機本身帶有的內置比較器，通過外接少量元件，設計出了具有微處理器功能的a d模塊。The effective internal control is the essential component of company ' s high - efficient management. sir adrian cadbury even affirmed, “ the failures of the companies were all caused by failures of the internal control. ” the accounting law which has been implemented in july of 2000 regulates every company should establish and improve supervising system of internal accounting, and put forward the concrete requirement. this is the first law of our country to reflect requirement of internal control. after that, the ministry of finance released successively ten regulations of internal accounting control, which have greatly promoted the development of the internal control in the company. at present, the majority of the enterprises have already established the internal control system according to the requirement of relevant laws and regulations
然而，內部控制並不是靜態的，而是一個動態循環的過程（設計? ?執行? ?評價? ?改進） ，其中內部控制評價是內部控制運行過程中非常關鍵的一環。越來越多的研究者開始關注內部控制評價，並對其進行研究，但這些研究基本集中於內部控制評價在審計監督領域中的應用，很少從企業經營管理需要的角度來研究內部控制評價。而內部控製作為現代企業高效管理的必要組成部分，關系著企業的生死存亡，因此，探討內部控制評價在經營管理領域中的應用具有極為重要的現實意義。Thanks to this new technology that has the greatest ever flexibility to layout conducting circuitry in a three - dimensional fashion, many new compact passive circuit implementations that were considered impossible to realize with traditional processes have been used for various wireless applications widely, particularly for radio frequencies ( rf ) front - ends
目前低溫共燒陶瓷（ ltcc ）技術已經成為實現無源元件（包括電感、電容等）集成的關鍵的主流技術，它在三維多層電路的設計上具有極大的靈活性。As the common equipment in many industries, especially in sintering plant, the fan is of great importance to the factory ’ s safety running, so the status inspecting and fault diagnosis by various ways is valuable
風機作為很多行業尤其是燒結廠的關鍵設備，對正常生產有很重要的作用。因此，通過各種手段對風機進行狀態監測和故障診斷，具有極其重要的意義。Great breakthrough has been achieved in critical technologies applied in electronic information protector, e. g. scrambling cryptographic algorithm, broadband modulation, broadband amplification, etc. with strong acquisition resistance, the protector can effectively protect the electronic information from interception
電子信息保護器，在加擾密碼演算法、寬帶調制、寬帶放大等關鍵技術上取得了重大突破，具有極強的抗徵收能力，能夠有效地保護電子信息不被徵收截取。As the key part of this system, access point makes wireless terminals have a high speed wireless access to internet. so its research is of very importance
無線接入點（ accesspoint ， ap ）作為此系統的關鍵，可以為移動終端提供接入高速信息網的服務，具有極其重要的開發與實用價值。分享友人