高離子源 的英文怎麼說
中文拼音 [gāolíziyuán]
高離子源
英文
high-intensity ion source- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 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...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 離子 : [物理學] ion
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Crowbar circuit protection of high voltage power supply of plasma filled hpm source
充等離子體微波源高壓電源的撬棒保護Plasma technique was introduced in the research of high power microwave ( hpm ) sources in recent decade. the performance of hpm sources is improved much by filling plasma which is promising in this field. filled - plasma travelling - wave tubes ( fptwt ) is a part of them. it is the main task of this paper to research and design fptwt ' s electron optics system and simulate it
近十年來,在高功率微波的研究熱潮中,引入了等離子體技術。引入等離子體能顯著改善高功率微波源各方面的工作性能,已經成為高功率微波源發展一個頗有前景的新方向,等離子體行波管即是其一個典型代表。Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。Gene engineering based on reducing na + toxicity creats a new approach to plant salt tolerance. this is the first time expressing of sod2 in arabidopsis thaliana and maybe attribute to research the ion homeostasis in the cell. the sod2 gene was isolated from s. pombe by rt - pcr method and confirmed by sequencing
雖然sod2基因已經克隆,但是sod2在高等植物中異源表達及對其影響還未見報道,因此sod2基因在擬南芥中過量表達,對研究細胞的離子均衡及運用基因工程手段有效地提高植物的抗逆性具有重要意義。The work was held out by the fund of nature science, 863 fund and innovation fund of chinese academy of sciences. in this work, we firstly got the relative spectrum distribution of lpp source with jet gas target in domestic lpp source study
該項工作是在國家基金、 863 、中科院創新基金支持下完成的,首次在國內獲得噴氣靶激光等離子體光源的相對光譜分佈,為進一步進行高精度測量工作奠定了基礎。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。According to the thermodynamics analysis of spontaneous mineral of iron, we assumed : when sewage disposal, if sulphur is eliminated prior, this makes the consistency of iron ' s ion keep high relatively, it will react with phosphorus, produce heterosite, vivianite precipitate. this will decrease the interior load of the phosphorus in sediment, and reduce the consistency of the phosphorus in the dianchi lake
根據鐵的自生礦物的熱力學分析,提出設想:如果在污水處理時,優先脫硫,就使鐵離子的濃度保持較高,與磷生成磷鐵礦、藍鐵礦沉澱,就可以減輕沉積物中磷的內源負荷,進而降低滇池湖水中的磷的濃度。In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl
為了考察表面活性劑對疏水性有機污染物生物降解的影響,本論文選擇聯苯作為模擬研究體系,篩選、馴化得到四株可利用聯苯作為碳源生長的菌株;考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性;用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線;較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。Three typical ion source, radio - frequency ion source, duoplasmatron ion source and penning ion source, are usually used in neutron generator
在通過d - t反應產生中子的低能倍壓加速器中,一般採用三種類型的離子源:高頻離子源( rf ) 、潘寧離子源( pig )和雙等離子體離子源( dp ) 。A vacuum interface used for atmospheric pressure ionization ion source was designed to couple with an orthogonal - injection electrospray ionization time - of - flight mass spectrometer ( tofms )
摘要研製了一種大氣壓離子源真空介面,並已將其用於自製高解析度垂直引入式電噴霧電離飛行時間質譜儀。Construction of electrostatic accelerator rf ion source
用於靜電加速器的高頻離子源的設計和調試( 4 ) chapter vi. the theory of ion curren extraction of rf ion source is investigated, the reason of emission surface formation and its effect on ion curren extraction are reasearched emphatically
( 4 )對高頻離子源的束流引出原理作了理論推導和分析,著重研究了發射面的形成及其對引出束流特性的影響。Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained
最後,採用magic程序對高頻離子源不同引出參數下的束流引出特性進行了數值模擬,得到了獲得最佳的引出離子束所要求的等離子體發射面參數。Distribution of electromagnet field in the space of h - type rf ion source is worked out derivation from maxwell equations, and three - dimensional vector graphs of e and b in the space of rf ion source are calculated and plotted by mafia software
並採用mafia軟體進行了三維實體建模,計算了高頻離子源放電擊穿前和穩定工作后的電磁場分佈,得到了高頻離子源放電空間電磁場分佈的直觀圖像。( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer
( 3 )提出了高頻離子源等離子體的零維cram模型( collisionalradiativeatomicandmolecularmodel ) ,計算了非平衡態( nte )下等離子體中分子、電子、離子、基態原子、激發態原子等粒子濃度,並在zf - 200kev中子發生器上,用60磁分析器實驗測定了引出束流的質子比。The conclusion that ez is more important during the breakdown of rf ion source is made out by comparing ez and e 6 before breakdown, and then, the breakdown criterion of rf ion source is deduced, and the relation between breakdown voltage and pressure is analyzed too
通過比較擊穿前高頻電場的軸向和幅向分量,得出了軸向電場在高頻離子源擊穿中起主要作用的結論,並進而推導出了高頻離子源的擊穿判據,得出了氣體擊穿時離子源擊穿電壓和放電管內氣壓的關系。The article analyzes mainly the relation between pressure distribution of neutralizer and efficiency of neutralize describing neutralized rate of high - energy ion beam in the process of passing neutralizer. then, we accurately analyze pressure distribution in the axis direction of axis of nbi system, especially of pressure distribution curve of neutralizer
主要分析了高能離子束通過中性化室的中性化效率與中性化室內壓強的關系,給出了nbi系統從離子源引出端到托卡馬克裝置入口處的軸線上壓強分佈情況,尤其是中性化室內的壓強分佈曲線。Among of them, radio - frequency ion source is in most wide used for the reasons of its high proton content, long life and reliable performance, etc. h - type radio - frequency ion source is a kind of plasma ion source
其中,高頻離子源以其很高的質子比( 70 - 90 ) 、長壽命和可靠的性能而得到了最廣泛的應用。高頻h型放電離子源屬于等離子體離子源。Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform
實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream
將離子源引出的高能粒子進行中性化,再偏轉掉束流中的帶電粒子,將超過束腰半徑、密度較小的束流削除,在此過程中有一部分束流損失,它直接影響加熱功率的因素,因此,對束流損失進行了分析,對損失束流的吸收提出了吸收方案。分享友人