離子限度 的英文怎麼說

中文拼音 [zixiàn]
離子限度 英文
ion limit
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 離子 : [物理學] ion
  • 限度 : limit; limitation; measure; tether
  1. Ion detection technique has been successfully used in the study of rydberg states of na2 by pulse optical - optical double resonance. high - lying rydberg states near ionization limit have been observed and high sensitive and high gain spectra have been obtained. this technique is very useful for molecular spectroscopy

    本文首次實現了鈉分體系中探測脈沖激光光譜,研究了鈉分附近的高里德堡態,獲得了高靈敏和高增益的光譜,拓寬了分光譜研究領域。
  2. Plasma ignition for engine is a new pattern portfire, it firstly lights up the start - up oil and form ignition torch to ignite the main oli in the combustor. lt is a new technolygy, at the present only ukraine have used this technique in marine gas turbine and the ground gas turbine to increase the reliability of retro fires and extend the concentration limit of retro fires

    點火技術是一門新興技術,目前只有烏克蘭將該技術應用到了艦船燃氣輪機和地面燃氣輪機上,由於該項技術主要點火設備具有獨特的放電特性和較大的放電能量,並且能量集中,使發動機的點火可靠性和點火的濃得到了極大的提高。
  3. In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave

    所以本文採用了ftcs有差分格式方法,利用二維三分量軸對稱,對空間飛行體與壓縮區內等體非穩態相互作用過程進行數值模擬,得到了電荷密擾動與電場的變化情況。
  4. The pyrogallol was adhered on the surface of the solid electrode by the direct oxidative electropolymerization to construct the chemical sensors for bi ( iii ). the sensor exhibits perfect long stability and reproducibility. a low detection was obtained in the determination of bi ( iii ) and this way can be applied to determine the real samples such as human hair and nails

    2 、將修飾劑鄰苯三酚直接電聚合到固體電極的表面,研製bi ( )化學傳感器,該修飾電極穩定性和重現性很好,克服了以往碳糊電極機械強差、重現性不好的缺陷,測定bi ( )達到了很低的檢出,應用於人發和指甲等實際樣品的測定。
  5. All results indicated that cd2 + had obvious harm to the enzymes. the endogenous protective system could be induced in refained degree under the press, however, which came to weakening along with the aggravation of cadmium, adding to extrinsic calcium could enhance the activities of sod and atpase properly, so protecting the damage of cadmium to the fish

    鎘對草魚酶系統有明顯的毒害作用,內源性保護系統的保護作用在受到脅迫后能夠在一定內被誘導加強,但防禦反應隨著重金屬毒害的加重而減弱,提高水中ca ~ ( 2 + )濃能夠適當增強體內酶的活性,對草魚的鎘毒性危害起保護作用。
  6. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒徑向所受束自生場力方程的右邊加上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強控制在0 . 1078左右,取得了初步的控制效果。
  7. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和交換膜的極電流密,因此採用中等交換能力的交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種交換膜的前提下,可通過增加交換膜的有效面積達到提高極電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。
  8. In early prototypes the voltage needed to switch ion flow on and off was 75 volts, far too high to incorporate into modern integrated circuits

    在初期原型產品中,用以開關流的電壓為75伏特,遠高於目前集成電路所能承受的
  9. The finite - temperature field theory is widely used to investigate the property of quark - gluon plasma

    研究夸克膠的有效方法之一是有場論。
  10. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上,採用電迴旋共振等體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量點結構的生長工藝、結果及討論。而重點分析了自組裝生長量點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電衍射、 x射線衍射和原力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量點結構。由於實驗裝置加熱爐溫制,我們沒有能夠生長出原級平滑的aln外延層表面,因而沒能夠生長出密比較大和直徑比較小的量點。
  11. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量運動控制思想,打破了連續與散,速與位置,旋轉和步進的嚴格界,以定、轉磁場空間矢量為主要控制目標,將增量控制與運動控制有機的結合起來,使增量控制向大容量、高效率、高精方向發展。
  12. He pushed the envelope when he hit his wife at the party after getting drunk. she asked for divorce the next day

    他喝醉酒當眾毆打妻的行為已經超過了他太太的忍耐,所以太太第二天就提出要和他婚。
  13. Resistance ability from endogenous protective enzyme systems in the plants was enhanced by heavy metal stress inducement in restricted range, while defence reaction crippled as the aggravation of the damage

    植物內源保護系統的保護作用受到脅迫后在一定內能被誘導加強,防禦反應隨著重金屬毒害程的加重而減弱。
  14. In order to prepare composites with the least dimerization, it is important to design and assemble the target mpc molecule with desired structure, such as peripheral or axial substitutional groups. the optical limiting effect of the composites is measured at 532nm with 8ns pulses. the influence of different mpc doped concentrations, central metal ions, substitutional groups, dimerization ratios, and matrix on the composites " optical limiting effect is studied

    在此基礎上,應用光幅測試技術,系統地研究了無機基金屬酞菁復合固態材料的光幅性能和金屬酞菁配合物在復合體系中的光幅機理,揭示了復合體系光幅性能的酞菁濃效應、中心效應、取代基效應和基質效應,為金屬酞菁分設計和復合制備工藝優化提供了可靠參考依據和可能。
  15. Plasma ignition technique for engine is a new pattern technique, at the present some developed countries have studied plasma ignition system. ukraine have firstly used this technique in marine gas turbine and pumping station of the gas turbine used for the long distance oil transportation main from siberia to europe which increases the reliability of retrofires and extend the concentration limit of retrofires

    目前,世界上幾個技術發達國家都開展了等點火系統的研究,尤其是獨聯體國家更是率先把等點火系統用於艦用燃氣輪機以及從西伯利亞到歐洲的遠距輸油干線的燃氣輪機泵站上,使發動機的點火可靠性和點火的濃得到了極大的提高。
  16. Surface plasmon resonance immunosensor is a relatively new immunoassay technique and has been receiving more and more attention in recent years. however, a major disadvantage of spr for bioanalytical applications is that low concentration or low molecular mass analytes could not be detected directly. therefore, it is a challenging task to develop strategies for improving the detection limit sensitivity of spr. in this paper, authors present a novel strategy for improving the sensitivity of spr immunosensing using streptavidinbiotinylated antibody complex. it is proven that the amplification strategy causes a dramatic improvement of the detection sensitivity. this amplification strategy is based on the construction of a molecular complex between streptavidin and biotin labeled protein. the complex can be formed in a crosslinking network of molecules so that the amplification of response signal will be realized due to the big molecular size of complex

    將鏈霉親和素-生物素系統用於表面等體共振免疫傳感的信號放大,實時檢測了人免疫球蛋白g higg的蛋白濃。發生免疫反應的傳感片和生物素化抗體反應后,傳感片表面的一層生物素分隨后與鏈霉親和素-生物素化抗體復合物中的鏈霉親和素的活性位點發生親和反應,從而使傳感片表面特異健合的物質質量顯著增加,大大提高了免疫檢測的靈敏和檢測。免疫反應經放大后,可檢測0 . 00510g ml濃區間內的higg 。
  17. Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory

    本論文通過對計算機技術、控制理論、人工智慧技術和設施農業領域知識等相關理論的研究,結合對特定溫室蔬菜生長的研究與機理分析,提出了一種基於rbf神經網路的營養液多傳感器數據融合( msdf )系統,實現對營養液組分: no _ 3 ~ - 、 cl ~ - 、 ca ~ ( 2 + ) 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測;對于由於目前傳感器製造工藝的制而不能在線檢測的成分如磷酸根和硫酸根,提出了一種基於徑向基函數網路的軟測量機制,可以有效地實現對營養液中磷酸根和硫酸根成分的實時檢測;為了提高軟測量結果的可信,利用d - s證據理論的不確定推理能力和合成公式,結合領域知識對軟測量結果進行可信分析。
  18. Calculations of the power density of plasma waveguide in finite magnetic field

    磁場作用下填充環形等體波導中功率流密的計算
  19. If the radiation is any more intense, it will overpower gravity, blow away ionized matter and destabilize the star

    假如輻射的強大於這個上,輻射會強過星體本身的重力,而把外層的化物質吹走,使星體結構不穩定。
  20. The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water

    7 5刀之間,最低檢出為0刀3pg il ;考察了標準海水中主要放大1倍后的樣品溶液、鹽在0 49范圍內的人工海水,以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響,結果無顯著性干擾;將本法與國標法相比較,驗證了方法的可用性,最終用於在線監測海水中的溶解氧。
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