熱中子反應 的英文怎麼說

中文拼音 [zhōngzifǎnyīng]
熱中子反應 英文
thermal-neutron reaction
  • : 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1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method

    利用從國外引進的新城疫穩定性天然弱毒b _ ( 95 )株接種spf雞胚繁殖病毒,經處理后提取病毒的基因組rna ,參考國內外發表的ndv融合蛋白基因序列,設計一對特異性引物,經轉錄聚合酶鏈式( rt - pcr )擴增出約1700bp大小的特異性片段,將此片段回收純化后,利用t - a克隆技術將其克隆到pgem - t - easy克隆載體,再轉化大腸桿菌jm109感受態細胞,轉化后經分量比較、 pcr鑒定和酶切分析篩選陽性克隆。
  2. At 100 to 150, both the toughness and the molecular weight decreased during the process of amination, but the transformation ratio of the amination reaction increased rapidly ; above 150, both the toughness and the molecular weight increased and transformation ratio of the amination slightly increased, and reached completely amination

    亞胺化過程,當溫度從100升至150時,不同處理階段薄膜的韌性和分量均下降,亞胺化轉化率上升較快; 150后,其韌性和分量均升高,亞胺化轉化率上升趨于緩慢,最終達到完全亞胺化。
  3. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程的過渡水解及縮合,提高了聚合物大分有機硅鏈節的含量;利用紅外光譜與差示掃描量儀對產物分結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分設計角度出發,利用醇解合成出水解、縮合速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  4. This ion channel, present in the membrane of many nociceptors, responds not only to capsaicin, the pungent ingredient in chili peppers, but also to distressful heat and to protons ( the hydrogen ions that make substances acidic ) ; protons are unusually abundant in inflamed tissue

    該受體是一種離通道,出現在許多痛覺受器的細胞膜上,不只對辣椒的辛辣成份起,也對傷人的及質(造成酸性的氫離,在發炎組織特別多)起
  5. In this article, the current status of epithermal neutron beams in the world is reviewed and also the design and construction plan of the epithermal neutron beam at the tsing hua open - pool reactor is reported

    本文將介紹世界各國在設計建造超照射管之現況,以及目前在國內清華水池式器建造超照射管之進展及計劃。
  6. Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system

    同時在高溫條件下,水蒸汽參與燃燒,部分水分與未完全燃燒的熾的炭粒發生水煤氣,形成可燃性氣體,從而減少了火焰的炭粒,提高了油的燃燒程度,改善了燃燒狀況,提高了油的燃燒效率。
  7. Using carbon - dating techniques, archaeologists can determine the age of many ancient objects by measurement the amount of radioactive carbon they contain

    參考譯文:在太陽深處的內核,氦和氫經過一系列高熔合作用產生了太陽的能量。
  8. The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied

    提出了輻照下sicpn結電特性退化的新的理論, pn結耗盡區的輻照陷階在耗盡區電場的作用下發射效得到加強,從而導致pn結正偏和偏時的復合電流和產生電流的改變。
  9. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前國散裂源( chinaspallationneutronsource , csns )工程概念設計的迫切需要,選擇國際上廣泛使用的基於蒙特?卡羅方法,用於模擬粒輸運過程的程序mcnp4a和nmtc jam作為研究工具,首次對csns靶站進行了全面的模擬與優化,內容包括靶、射體與慢化器系統的通量分佈以及量沉積,同時計算了靶的溫度場與力場分佈。
  10. Standard method for determining thermal neutron reaction and fluence rates by radioactivation techniques

    用放射性技術測定熱中子反應和注量率的標準試驗方法
  11. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體各種離間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電型導電性和li ~ +在基體的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的穩定性的設計思路。
  12. The relative momentum of two final particles and the cross section are zero at the threshold energy for an endothermic reaction, while the relative momentum of two initial particles is zero and the cross section at the threshold energy for an exothermic reaction is infinite

    在吸的閾能處,出射粒的相對動量以及截面均為零。在放的閾能處,入射粒的相對動量為零,截面趨于無窮大。由於強的動量僅提供如此低的質心系能量,強物質x 。
  13. After almost ten years of successful national and international tours, the original chapertons wanted a creative break ( new plays are in preparation ), but due to the phenomenal demand, the group has performed with their second crew since may 2001. they presented their first show together in the summer of 2001 at the international theatre festival in edinburgh. critics and audience were ablaze with enthusiasm

    經過差不多十年在國內外作巡迴演出並屢獲好評后,斗車胎三人組的原班人馬希望稍作休息,並籌備新劇,但由於觀眾烈,劇團於2001年5月開始與第二班一起表演,並於同年夏季在愛丁堡國際戲劇節首次同臺演出,贏得劇評家和觀眾的烈贊賞!
  14. The thermal return reaction of hg ( hdz ) 2 doped in pmma film in the photochromic process follows second - order kinetics from ambient to 65

    摘要雙硫腙汞絡合物在摻雜的pmma膜回復在不同溫度下遵循二級動力學過程,其光致變色機理為雙分過程,即分間的氫轉移過程。
  15. Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev

    放射性核素~ ( 64 ) cu是奇奇核,屬於1f 、 2p殼層,而在原核殼模型,第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層,因此if 、 zp殼層一直是核物理領域的研究點,近三、四十年來使用了各種不同類型核例如『 4ni … , fly )等,對『 ll激發態性質進行了廣泛的研究,其激發能級已到了smev左右。
  16. In the thermal fusion device, the materials of the plasma facing components are expected to have high thermal resistance and outstanding heat conductivity. using a single kind of material, however, can not meet the above two requirements at one time. therefore, the joining technique is regarded as a proper approach to improve the properties of the conventional materials

    核聚變裝置關鍵結構件「面向等離體」元件要求材料具備良好的耐高溫性和導性,而現有的單一材料不能同時滿足該要求,因此,通過連接技術將現有材料進行改善是合適的。
  17. Our first organic - synthesis experiments in 1996, and much more extensive research by thomas mccollom of the woods hole oceanographic institution, demonstrate that f - t reactions can build molecules with 30 or more carbon atoms under some hydrothermal - vent conditions in less than a day

    1996年我們完成第一個有機合成實驗,加上伍茲赫爾海洋研究所的麥科洛姆所作的廣泛研究,兩者都顯示,在某種深海泉情境,相關化學在一天之內就可合成含30個碳原以上的長鏈分
  18. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電顯微鏡、電探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用力學、動力學、粉末燒結理論和燃燒合成理論,結合差分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程的化學過程。
  19. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明:隨著工作氣壓的減小,薄膜的晶粒尺寸有所減小;通過提高氫氣稀釋度,利用原氫在成膜過程起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的絲距離能保證氣體充分分解,又使襯底具有較高的過冷度,是形成納米薄膜的重要條件;採用分步碳化法可以提高形核密度,有利於獲得高質量的納米- sic薄膜;襯底施加負偏壓可以明顯提高襯底表面的基團的活性,因負偏壓產生的離轟擊還能造成高的表面缺陷密度,形成更多的形核位置。
  20. The method of thermal analysis kinetic data handling, the acquisition of kinetic triplets, kinetic compensation effect and the opplication of thermal analysis reaction kinetisc on the rare earth complexes are summarized, at the same time some questions are pointed out

    摘要對分析動力學數據處理方法、動力學三因的獲取、動力學補償效以及分析動力學在稀土配合物用現狀進行了概述,同時提出了現有處理方法的優缺點。
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