核反應方程 的英文怎麼說
中文拼音 [héfǎnyīngfāngchéng]
核反應方程
英文
nuclear equation- 核 : 核構詞成分。
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
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Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control
文摘:實際的復雜工業過程,往往具有大的時滯,例如:煉油廠催化裂化裝置的反應再生系統,其原料油預熱通過油漿換熱實現,因此時滯特別大.本文針對這一類大的時滯過程,設計了以動態矩陣控制為核心演算法的預測控制系統,運行實踐表明:這一控制方案比原pid控制在控制質量上有較大提高The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。The advance of the metabolic engineering was briefly reviewed and the application of metabolic engineering methods for the construction of d - ribose - producing genetic engineering strain such as host selection, rate - limited step acceleration, metabolic flow alteration, fermentation process optimization and its application prospects of metabolic engineering was also described
摘要簡要介紹了代謝工程的進展情況,並較為詳細地從宿主的選擇、加速限速反應、改變代謝流和生產過程的優化等方面論述了代謝工程在d -核糖基因工程菌構建方面的應用及其應用前景。We proof the covariance function of covariance stationary processes is equivalent with mercer kernel function. that is, the covariance function of covariance stationary processes is a mercer kernel function ; in reverse, for a given mercer kernel function, there exists a covariance stationary processes, and the covariance function corresponded to this covariance stationary processes is the given symmetry positive - definite kernel function. it means that the covariance function is equivalent to symmetry positive - definite kernel function
首先建立了協方差平穩過程的協方差函數與積分方程中對稱正定mercer核函數的等價關系,即協方差平穩過程的協方差函數是對稱正定mercer核函數,反過來,對給定的對稱正定核函數,證明了存在協方差平穩過程,使得此協方差平穩過程對應的協方差函數恰好為給定的對稱正定核函數,這說明協方差函數和對稱正定核函數是等價的。Considering the diffuseness of the n - n scattering in the forward direction results in an increased reaction cross section. and also the angular distributions calculated in the glauber theory including these two corrections are in good agreement with the experiment data. in the investigation of the halo nucleus reaction with a loosely bound structure, one has to consider the strong spatial correlations among its constituents
考慮了低動量轉移的核子?核子兩體散射在朝前方向上的彌散,使計算得到的反應截面增大,而且我們從彈性角分佈的分析中得到考慮了有限力程修正的效應無論是在峰的位置還是角分佈的絕對值都能更好地符合實驗。The bisonc burnup library is replaced to facilitate the computation of the burnup process with complicated burnup chains. we have made and evaluated the new library ( hendl ) which contains 139 kinds of nuclides with 175 groups for neutron and 42 groups for gamma, 15 kinds of neutron reactions and p0 - p5 expansion. the revised code which we call bus - id is more adaptable to the computation of hybrid reactor for its fuel breeding and the transmutation of the hlw
並且在一維輸運及燃耗計算程序bisonc的基礎上,提出用新的數據庫( hendl )代替原有的bisonc數據庫, hendl庫考慮了更加全面的燃耗過程和多種燃料循環方式,通過修正讀入的核截面數據庫中的參數,考慮共振自屏效應,製作並且評估了新的含有139種核素、多種反應截面、 175群中子42群光子、 p _ 0 - p _ 5展開的中子反應數據庫,開發出新的程序bus - 1d ,使得更能適應聚變?裂變混合堆的燃料增殖、高放長壽命核廢料( hlw )的嬗變等計算的要求。In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method
為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添加溫光敏感性的設想和選擇與鑒定相結合的策略,同時應用分期播種的方法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄穗的育性變化和對不同環境條件溫光的反應.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性,為記錄性群體選擇.通過從春播入選的雜合不育性優良株系群體轉移到其對應的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇,能逐漸使不育性和溫光敏感性相結合而選育出純合溫光敏不育系.這種新的選擇程序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步累積不育基因並增加了溫光敏感性而育成玉米溫光敏不育系Salmonella typhimuriwn, one of the invasive bacterial species, can be attenuated without loss of invasiveness and thus used for delivery of eukaryotic expression vectors into host cells in vivo. the recombinant plasmid containing the target gene is released inside the host cells and gain entry into the nucleus, resulting in expression of encoded antigens and subsequent induction of humoral and cellular immune responses
沙門氏菌( salmonellatyphimurium )是一種較為常見的侵襲性胞內菌,通過基因工程方法減毒后對宿主致病性顯著降低,但仍保留良好的侵襲力,可直接將真核表達質粒攜帶進入動物細胞內表達相應的蛋白而誘導特異性的免疫應答反應。This paper deals with the monte carlo simulation of high - energy protons transport in silicon, in which the intra - nuclear cascade model is used to deal with proton nuclear reaction process. and the results of radiation effects of proton in silicon and p - seu ( proton induced single event upset ) cross section of some electronic devices are presented
本文用蒙特卡羅方法對高能質子(最高能量在500mev以上)在硅材料中的輸運過程進行了模擬,作了用核內級聯模型計算質子核反應的嘗試,計算了質子對硅材料的輻射效應及其對硅器件的單粒子效應。With reference to the advanced oversea management assessment of aids to navigation the quality assessment index system of sub - regional msa aims at the existing problem, defines the scientific evaluation mode for its repair time limit according to risk extent, and improves the scientificalness of emergency response for the maintenance of the aids to navigation
航標處的航標質量考核指標體系,參考了國外先進的航標管理考核思想,針對航標處質量考核存在的問題,依據風險程度,對航標修復時限確立了科學的量化評價方式,提高了航標維護應急反應的科學性和經濟性。Closer to you, we have also supplied equipments and transferred technology which has been put into use by chinese engineers to build nuclear power reactors in qinshan
在更靠近蘇州的地方,秦山核電站,我們為中國的工程師們自建核反應堆提供了設備並轉移了技術。The cross section data were fitted and the covariance data were combined for each reaction channel by using the spline fitting program ( spc ) developed at cndc
利用中國核數據中心的spc程序對每一個反應道的各家數據的截面進行擬合、協方差進行合併。The progress in nucleus mechanism, kinetics and effect factors of inverse emulsion polymerization is reviewed. the application of inverse emulsion polymerization in starch modification is estimated
摘要對反相乳液成核機理、聚合過程動力學模型及反應體系影響因素等方面研究進展進行了綜述,並展望了反相乳液聚合技術在改性澱粉領域中的應用。The pressure container for the nuclear reactor pile which is introduced by this essay is designed and made by certain group company. it ' s a huge equipment used in the nuclear power station. the equipment is made up of two parts, a pressure container body and a lid. this paper is going to give the descriptions of the transport program design of the pressure container body. the body of the pressure container is 5. 165m wide, 4. 85m high and its net weight is 160t, because it is a large item for transporting in nature, the container needs a stern transporting condition. if we want to transport the container designedly and procedurely, to achieve no damage and no loss in the whole process, we must pay a careful investigation and find a feasible way to carry it
該設備由壓力殼筒體和頂蓋兩部分組成,在此僅敘述核反應堆壓力殼筒體的運輸方案設計。核反應堆壓力殼筒體凈重160t ,寬5 . 165m ,高4 . 85m ,屬大件運輸。運輸技術條件要求極為嚴格,為使該大件運輸能有計劃、有步驟進行,確保整個運輸過程完整無損、萬無一失,必須進行深入細致的調查研究,尋找大件運輸的可行方案。The chemical composition, micro - structure and optical properties and its application of tio2 thin films deposited on k9 glass by using reactive electron - beam evaporation ( reb ) are studied through sem, tem, xps, xrd, spectroscopic ellipsometry ( se ) and uv - vis spectrophotometer in the dissertation, and the progresses of nucleation and growth of thin film are discussed from the point of view of dynamics and thermodynamics so that a structure model of tio _ ( 2 ) thin film is brought forward
本文採用sem 、 tem 、 xps 、 xrd 、橢圓偏振儀( se ) 、 uv - vis分光光度計等分析手段系統地研究了電子束反應蒸發方法在k9玻璃上制備tio _ 2薄膜的成分、結構和光學性能以及tio _ 2薄膜在光學多層膜中應用,並開發了膜系設計軟體。文中還從動力學和熱力學角度分析了tio _ 2超薄膜的形核生長過程,得出了tio _ 2薄膜的組織結構模型。On the other hand, quite a number of practical systems with numerous dimensions may have some fast variables taking on singular impulse characteristic, such as electric power system, control system of rolling mill assembly, biochemical process, nuclear reactor, control system of airplane and rocket, and chemical diffused reaction, etc. so, it is important to study the problem of robust control of singular system i n the domain of control theory
一般這些不確定性並非不可度量的,通常能給出這些不確定性大小的某種約束,魯棒控制理論正是處理系統模型具有不確定性的有效方法。另一方面,在大多數維數很大的實際系統中,都有呈現奇異攝動特性的快變變量,如電力系統,冷軋機的工業控制系統,生物化學過程,核反應堆,飛機和火箭系統,以及化學擴散反應等。Chloroplast genetic engineering, a new technology that could overcome many problems associated with nuclear genetic engineering, is of growing interest for bioproduction of valuable materials. it has several advantages including the extraordinarily high level of transgene expression and environmental safety, the favorable environment for prokaryote gene expression, the absence of " position effect " and gene silencing
葉綠體基因工程是隨著植物遺傳轉化技術發展剛剛興起的生物技術,具有超量表達外源基因,為原核基因提供適宜表達環境,消除「位置效應」和基因沉默,環境安全性好等優點,較更適合用於植物生物反應器方面的研究。The two sides also planned to set up a joint venture soon, in an effort to conduct research and development of nuclear reactors engineering technologies, said the contract
在合同中說,雙方也計劃建立一個研究和發展的核反應工程,並共同承擔風險The economic globalization degree is aggravated further, enterprises will face the global competitor while having global markets. agility, high speed and cooperate competition become cyber economy main characteristic of the competition ; innovation becomes the main source of obtaining competitiveness under cyber economy ; the customer, from the dull low level demander, grow into ones showing the individualized high - level demand. to meet these changes, enterprise strategy orientation must possess three characteristics : fast reaction, customer urge and key competitiveness
經濟的全球化程度進一步加劇,企業將擁有全球市場的同時面對全球的競爭者;敏捷化、高速度以及協作競爭成為網路經濟下競爭的主要特徵,創新則成為網路經濟下獲得競爭力的主要源泉;客戶也從原來具有單調性的低層次需求發展為凸現個性化的高層次需求;為了適應這些變化,企業戰略導向必須要具備快速反應、顧客驅動以及把握核心競爭力這三個特點,這些都要求企業向敏捷化、柔性化的方向轉變。In order for students to master the knowledge of reactor system, physics, thermal hydraulics, shielding, structure, fuel, etc. and the design flow chart, a local thermal hydraulic system is designed by students
設計部分是將所學的有關核反應堆系統、物理、熱工、屏蔽、結構、元件等相關知識,應用到核反應堆輸熱系統的設計中,並掌握核反應堆熱工設計流程與方法。分享友人