稀土核 的英文怎麼說

中文拼音 [xītǔhé]
稀土核 英文
rare earth nuclei
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 核 : 核構詞成分。
  1. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮（鉭）鐵礦包裹體為主，而巨晶中的「晶核」部位則以大量的熔體包裹體為主，反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中，而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中
  2. Structures and applications of polynuclear lanthanide organometallic complex with cyclopentadienyl ligand

    多核茂型稀土金屬有機化合物的結構及其應用
  3. By the stational environmental protection administration in mar. reecat decide to devoted to exhaust gas converters of motorcycles and auto. sweden recsab company invested our company. reecat developed rare - earth - precious metal composite catalysts as the core techology, and formed big three seriese products

    利凱特公司研製開發出高效稀土-貴金屬復合型催化劑，以此為核心技術，逐步形成三大系列主導產品，為全面進入國內尾氣治理市場奠定了堅實的基礎。
  4. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。
  5. Lastly, using four - parameter bohr - mottelson formula, we analyzed some ground rotational bands of even - even nuclei. the nuclei included superdeformed ( sd ) nuclei in a - 150, 190 regions and normal deformed ( nd ) nuclei in actinide and rare - earth

    三、利用bohr - mottelson的i （ i + 1 ）四參數展開式分析了a 150 ， 190偶偶核超形變帶和錒系、稀土區偶偶核正常形變轉動帶。
  6. Abstract : the defects such as inclusion, splitting, dislocation and dendrite in the pbxla1 - x ( zry tiz sn1 - y - z ) o3 ( plzst ) single crystal grown from pbo - pbf2 flux by the slow cooling self - seeding technique were discussed in this paper. the forming mechanism of these defects were analyzed and some measures to eliminate the defects were proposed

    文摘:本文介紹了助熔劑緩慢降溫自發成核法生長的稀土摻雜鋯鈦錫酸鉛鑭（ plzst ）晶體中出現的幾種缺陷：包裹體、開裂、位錯、枝晶，分析了這些缺陷的形成機理並提出了減少和消除這些缺陷的一些措施。
  7. In the second part, the influences of la on micronucleus rate were observed by using the rat marrow cell micronucleus test. and the cleavage action of la on genome dna were studied too. the results manifest that a certain concentration of la can increase micronucleus rate obviously and induce the cleavage action and structural change of genome dna

    （二）採用小鼠骨髓細胞微核檢測技術研究了稀土元素鑭對微核率的影響，同時採用體外培育技術和紫外分光光度法研究了鑭對基因組dna的斷裂作用，結果表明一定濃度的鑭能引起微核率顯著升高，並可導致基因組dna的斷裂以及結構的改變。
  8. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。
  9. As the principal materials which are used as the high magnetic of hdd of computer mri and ct magnetic field hang float the railroad train motor of sound circle astro - airshop sound circle and engine etc. and the resposition hydrogen of the metal alloy manufacturing motive battery, these products are regarded as the new material industrial products in high scientific and technological circles

    等多種稀土金屬及合金產品，純度范圍99 - 99 . 9 % 。它們是當今世界認定的高科技領域新材料工業產品，是計算機磁盤驅動器的音圈電機vcm核磁共振成像儀mri磁懸浮列車航天飛船音圈馬達電機等所用高能磁體以及製造動力電池所用儲氫合金的主要材料。
  10. Based on researching the relation of the parameters of bohr - mottelson rotational spectra formula from two - parameter harris formula, in this thesis three - parameter harris formula was used and a new ralation of the parameters of bohr - mottelson rotational spectra formula was brought forward. four - parameter i ( i + 1 ) expansion was used to calculate superdeformed ( sd ) bands of even - even nuclei in a ~ 60, 80, 130, 140, 150, 190 regions and normal deformed ( nd ) bands of nuclei in actinide and rare - earth, the relation of the parameters was discussed. comparatively, the new relation is consistent with experiment

    利用harris兩參數公式研究bohr - mottelson轉動譜公式參數之間的關系的墓礎上，改用harris三參數公式，並由此提出了bohr - mottelson轉動譜公式參數之間的新關系式，進而用i （ i + 1 ）四參數展開式計算了a 60 ， 80 ， 130 ， 140 ， 150 ， 190區超形變偶偶核的基帶和錒系和稀土區正常形變核基帶，討淪了參數之間的關系，發現新關系式與實驗較好地符合。
  11. The ratio of ma added to the mox fuel is studied. the neutronics characteristics of ma transmutation, and the transmutation and burning efficiency of the modular fast reactor are calculated. the role of the modular fast reactor to buffer the growing of ma in china and the reduction of radiotoxicity of nuclear waster via multiple recycling of ma in the modular fast reactor are calculated

    主要論述隨著我國壓水堆核電站裝機容量和運行堆年的增加，乏燃料中ma總量增長趨勢；模塊快堆的堆芯概念設計方案；在不改變模塊快堆堆芯設計的前提下， mox燃料中添加ma和稀土核素對堆芯中子學性能的影響以及模塊快堆的嬗變效率；模塊快堆對減少我國ma總量的作用；模塊快堆產生的最終核廢物的長期放射性毒性隨時間的變化等。
  12. With its excellent magnetic property, abundant raw material and reasonable prices, rare - earth permanent magnet can be used as an ideal magnet in mini - motor, permanent - magnet instrument, electronic industry, auto industry, petro - chemical industry, nuclear magnetic resonance, sound device, magnetic suspension system, magnetic transmission machine and magnetotherapy apparatus etc

    稀土永磁體及元器件以其優異的性能，豐富的原料，合理的價格，正在得以迅速的發展和廣泛的應用。其主要應用在微特電機，永磁儀表，電子工業，汽車工業，石油化工，核磁共振裝置，音響器材，磁懸浮系統，磁性傳動機構和磁療設備等方面。
  13. It was the first time that the silica nanoparticles was coated with gd2o3 : eu rare - earth oxides, then the core - shell structure compound particles were obtained. the characterizations showed that the thickness of uniform coating is in 10 - 20nm ; the silica core is linked with the gd2o3 : eu shell by chemical bond si - o - gd ; because of the size effects and interface effects of nano - crystal coating, the diffraction and emission peaks become broadened. and at the same time, the transfer temperature of silica from amorphous to crystal is decreased

    首次在納米sio2表面包覆一層gd2o3 : eu稀土復合氧化物，得到了核-殼結構的復合顆粒，表徵結果表明，均勻包覆層的厚度為10 - 20nm ； sio2核和gd2o3 : eu殼層物質之間通過化學鍵si - o - gd鍵的作用結合在一起；由於包覆層納米晶的尺寸效應和界面效應使xrd衍射峰和熒光光譜發射峰出現了寬化現象。
  14. Al these can increase the nucleation rate, so the tic particles become smaller and disperse more homogeneous, and the volume fraction of tic is increased. when 0. 5wt % rare earth ceo2 is added to melt, the surface tension of melt is decreased and fluidity is enhanced, accordingly it enhances the diffusion rate of ti to c particles during the course of reaction and prompts the formation of tic

    加入0 . 5wt的稀土ceo _ 2增大了熔體的表面張力及流動性，從而在反應階段增大ti原子朝c顆粒的擴散速率，促使tic顆粒生成，以及在反應完成後增大tic顆粒朝熔體中擴散的速率，促使tic顆粒的形核。
  15. The product distillated from the cream of mount fuji mud, it contains more than thirty mineral element and several kinds of rare mud element which has living activity effect, it can interact with high polymer albumen nucleic acid which is inner body of human, produces activity enzyme, strong adsorption ability, it can accelerate metabolism of skin, whiten and energy the skin, firming skin, strengthen skin elasticity, improve skin elasticity, arouse human body enginery

    本品提取日本富士山火山泥的精華物，內含三十多種豐富的礦物元素和多種生物活性效應的稀土元素，能與人體內許多的高分子蛋白核酸等相互作用，產生活性酶，超強的吸附能力，加快肌膚新陳代謝，自然美白，收緊肌膚，增強皮膚彈性、提升肌膚活力、激發人體機能。
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