斷鏈作用 的英文怎麼說
中文拼音 [duànliànzuòyòng]
斷鏈作用
英文
chain fracture-
Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter
文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。In this study, dna strand breaks in jm109 cells caused by - rays and the protective effect of lexa protein of deinococcus radiodurans have been studied by fluorometric assay of dna unwinding., the results indicated that the rate of dna strand breaks increased with the increase of - rays dose. however, when the concentration of lexa protein from 0. 1 g / ml to 10 g / ml, it still showed no protective effect on dna strand breaks, then lexa protein of deinococcus radiodurans was n ' t radioprotector
本研究採用了dna解旋熒光法檢測由射線所致的dna鏈斷裂的損傷程度以及抗輻射菌lexa蛋白的輻射防護作用，在輻照前加入不同濃度的lexa蛋白，檢測dna鏈的斷裂，結果表明dna鏈的斷裂程度隨著射線輻照劑量的增加而增強，抗輻射菌lexa蛋白對射線所致dna鏈斷裂的修復不起作用，進一步說明抗輻射菌lexa蛋白不起輻射防護作用。Judicial identification refers to a kind of acts of checking evidence, during the course of action ， in which an identifier with expertise appointed or invitated by judicial organs after the application of the parties or without the application, with scientific technological methods complying with the provisions of the criminal procedure law, draws a judgment conclusion. [ 1 ] judicial identification serves the acts of investigation, procuratoration, justice and execution and serve their acts of collecting, examing and checking evidence, which is a link in judicial acts
司法鑒定是在訴訟過程中，對于案件中的某些專門性問題，按訴訟法的規定，經當事人申請，司法機關決定，或司法機關主動決定，指派、聘請具有專門知識的鑒定人，運用科學技術手段，對專門性問題作出判斷結論的一種核實證據的活動[ 1 ] 。司法鑒定是為偵查、檢察、審判、執行活動服務的，為其收集證據、審查核實證據，是司法活動中的一個環節或鏈條。The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。The urea - formaldehyde ( uf ) polymer / sio2 composite microspheres were prepared by polymerization - induced colloid aggregation ( pica ) method. the formation mechanism of composite microspheres is attributed to the fact that that urea and formaldehyde firstly undergo acid - catalyzed polymerization to form oligomers, and then the sol particles are adsorbed on the chain of oligomers by wan der walls force and hydrogen bonding. when the oligomers reach the critical chain length, they separate from solution due to phase separation
對復合微球形成機理的研究表明，尿素和甲醛在酸性條件下自身聚合可以形成高分子微球，在sio _ 2酸性溶膠中發生聚和反應時，隨著反應的進行，齊聚物不斷生成， sio _ 2膠體顆粒逐漸吸附在齊聚物分子鏈上，當聚合物鏈達到沉澱臨界鏈長時，由於相分離作用，從前驅物溶液中析出，同時sio _ 2膠體顆粒均勻的分佈在脲醛聚合物網路中，隨之沉澱出來，形成脲醛sio _ 2復合微球。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料，結合有關專家多年的整治經驗，總結出壩體的損毀原因及影響因素；對現有塊體穩定性的研究成果進行回顧和總結，並針對散拋石壩的直接損毀現象，結合山區河流的水流、地形特點，利用塊體粒徑與起動流速的關系，提出塊體穩定重量與起動流速高次方成正比的概念，流速50的增長可能導致塊體穩定重量接近40倍的變化；通過二維變坡水槽試驗，研究了壩體穩定的主要影響因素，包括塊體重量、壩頂水深、斷面尺寸、塊體材料（塊石和卵石兩種） 、護底等，結果表明對于山區河流，試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微；最後，根據西部地區的自然、經濟、交通等條件，提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施，以期取得良好的工程效果。Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it
本文在參考大量帶材標準板形、軋制初始量設定、調節量計算研究的基礎上，確定了標準板形模型、設定模型、調節控制模型等數學模型；並給出了其相應的演算法；完成了板形儀計算機控制系統的硬體設計，並在此基礎上，應用高級開發語言visualbasic6 . 0 ，通過加載pcl - 812pg多功能數據採集卡的驅動程序后，調用動態鏈接庫（ dll ）中的函數的方法，完成了信號中斷方式下的實時數據採集，採集的數據經計算機作標度變換、對比、圖形顯示、存儲等處理，並提供了用於板形閉環控制的調節量。Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use
本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據，結合影響土地利用變化的經濟、社會、環境等綜合因素，採用相關分析軟體（ dps 、 spss ）和數學分析方法（主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm （ 1 ， 1 ）預測模型分析、灰色序列gm （ 1 ， n ）模型分析等方法） ，對江安縣土地利用變化及其驅動力進行定性、定量研究，研究結果表明： 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢；地形對土地利用方式的選擇起著主導作用；土地利用變化的總趨勢是：耕地、林地、交通用地和水域面積不斷減少，居民點及工礦用地和未利用地面積不斷增加；景觀多樣性指數呈現「 」趨勢。Once a bank is in bad condition, it will cause the break of inter - bank payment chain, furthermore give an influence on the normal operation and payment of other banks, as a result, a catastrophic concussion would effect on the economic activities of the whole society, even of the whole world, the mexico financial crisis and financial crisis of southeast asia are fine examples, therefore, it is of critical importance that to strengthen the financial supervision, especially the banking supervision in the whole world, we can say that the history of the development of financial supervision in different nations is the history of their struggle on financial risks
作為信用中介、支付中介和不斷創造信用流通工具的銀行，它既是最大的債權人又是最大的債務人，一旦某家銀行經營不善，就會造成銀行間支付鏈條的中斷，進而影響其他銀行的正常運轉和支付，最終會給整個社會甚至整個世界的經濟活動帶來災難性的沖擊。墨西哥金融危機和東南亞金融風暴都有力地證明了這一點。因此，加強對金融業尤其是銀行業的監管已在世界范圍內被擺上極為重要的地位。New york ( reuters health ) dec 19 - lactobacilli transformed to carry heavy - chain antibody fragments appear to protect against rotavirus infection, swedish investigators report in the december 1st issue of the journal of infectious diseases
紐約（路透社健康版） 12月19日瑞典研究人員首次在12月傳染病雜志上發表報告稱：經改造攜帶重鏈抗體片斷的乳酸菌有抗輪狀病毒感染的作用。Second, the costs of original material and parts take a big share in the whole costs. the control of the procurement costs is an efficient way to increase profits, third, from a study of the value - added contribution of three segments ; procurement, production, marketing, it can be concluded the rote of procurement outweighs the other two. apart from above, original material procurement is closely related to inventory
企業的生產經營過程就是物資的消費過程，要使生產經營過程周而復始、不間斷地進行，就需要不斷地從市場購進物資，以補充生產經營過程中對原材料、半成品等的需要；采購的原料及零部件成本占企業總成本的比重居高不下，采購成本控制是提高企業利潤的重要手段之一；通過對易耗消費品、耐用消費品和復合製造型生產品采購環節對產成品的價值增值的作用均大於或等於生產和銷售環節，采購對供應鏈的價值貢獻是顯著的。In this paper, one interactive protein was isolated and purified further by ion - exchange chromatography, whose molecular weight was determined by sds - page to be 24kda under non - reduced conditions and 25kda under reduced conditions
最後，分離純化作用蛋白中分子量為24kda的蛋白，發現其存在鏈內二硫鍵，二硫鍵斷裂后的分子量為25kda 。If the permission state used in the imperative demand, link demand, assert, permit only, or deny can be determined statically, and it is certain to be not dependent on any state available only at run time, then the effect of such security action on application assemblies can be determined and is calculated for the effects of declarative security actions on the minimum grant permission set of all profiled assemblies
如果可以靜態確定在命令性要求、鏈接要求、斷言、只允許或拒絕中使用的權限狀態，並且確認該狀態不依賴于運行時的任何可用狀態，則可以確定此類安全操作對應用程序程序集的影響，並可以計算出聲明性安全操作對所有已配置程序集的最低授予權限集的影響。Not only is the production - oriented vat detrimental to the development of foreign trade, the advance of technology, the optimization of industrial structures, the balance of regional economy, the specialization and collaboration of production, the imposition of taxes, the sustaining increase of state revenue etc., but it also disrupts the optimization of the enterprises " organization structures, weakens the function of the tax lever, breaks the tax credit " chain ", increases the difficulty in tax credit based on invoices and leads to discriminatory tax burden among industrial and commercial enterprises
生產型增值稅不利於對外貿易的發展，不利於技術的進步，不利於優化產業結構，不利於平衡區域經濟，不利於專業化、協作化生產，干擾企業組織結構的優化，不利於稅款的徵收，不利於國家財政的持續增長，弱化了稅收杠桿的作用，不利於外資的引進，導致扣稅「鏈條」中斷，增加發票扣稅的難度，導致工商企業間的稅負不平衡。When a cluster of particles is immersed in a uniform electric field, the particles are coupled together due to the mutual interaction among them. this interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size. in this work, we attempt to estimate the dipole moment of finite cubic arrays of particles, in terms of that of particle chains which has been known. we assume that a chain may be replaced by a single equivalent sphere with the same dipole moment. with replacing the chain by equivalent sphere, a cluster is simplified to a planar array, and this planar array is simplified to a chain, then the dipole moment is obtained. numerical calculations are performed. it is found that our results are acceptable
置於均勻電場中的一簇球形顆粒，由於其內部的相互作用而耦合在一起.這致使簇的感應偶極矩與簇的幾何結構，大小以及顆粒的介電常數等參量有關.試圖通過已知的鏈的偶極矩確定任意大小長方結構的簇的偶極矩.假定顆粒鏈可以被具有同樣偶極矩的一個等效介質球代替，並將具有空間結構的顆粒簇處理成面結構簇，再將面結構簡化成一個顆粒鏈，從而確定簇的偶極矩.在這一過程中，通過不斷增加等效球的尺寸，將顆粒間的相互作用包含在簇的偶極矩中.數值分析了立方結構簇的偶極矩，結果是可接受的Hmre11 plays an important role in u937 cellular response to dna double - strand breaks following etoposide
雙鏈斷裂后的修復中發揮重要作用So the researchers reason that while wine fights s. mutans and s. pyogenes, wine also contains compounds that dilute those benefits, to some extent
因此研究人員推斷雖然酒能抑制變異鏈球菌和化膿性鏈球菌，但酒中也含有某些成分會在某種程度上降低這種作用。Abstract : when a cluster of particles is immersed in a uniform electric field, the particles are coupled together due to the mutual interaction among them. this interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size. in this work, we attempt to estimate the dipole moment of finite cubic arrays of particles, in terms of that of particle chains which has been known. we assume that a chain may be replaced by a single equivalent sphere with the same dipole moment. with replacing the chain by equivalent sphere, a cluster is simplified to a planar array, and this planar array is simplified to a chain, then the dipole moment is obtained. numerical calculations are performed. it is found that our results are acceptable
文摘:置於均勻電場中的一簇球形顆粒，由於其內部的相互作用而耦合在一起.這致使簇的感應偶極矩與簇的幾何結構，大小以及顆粒的介電常數等參量有關.試圖通過已知的鏈的偶極矩確定任意大小長方結構的簇的偶極矩.假定顆粒鏈可以被具有同樣偶極矩的一個等效介質球代替，並將具有空間結構的顆粒簇處理成面結構簇，再將面結構簡化成一個顆粒鏈，從而確定簇的偶極矩.在這一過程中，通過不斷增加等效球的尺寸，將顆粒間的相互作用包含在簇的偶極矩中.數值分析了立方結構簇的偶極矩，結果是可接受的In the process, these enterprises have improved their corporate governance and promoted their brand names globally. our professionals continue to provide more services to the mainland and its overseas markets and, in so doing, make a positive contribution to our nation s development. hong kong s external trade has gradually shifted from re - exports to supply chain management and high value - added logistics services
在這過程中，內地企業亦可加強公司管治，以至打響品牌知名度及走向國際我們的專業界不斷加強服務國內外市場，對國家發展起積極作用我們的對外貿易逐步從轉口發展成為供應鏈管理及高增值物流服務，經香港處理的離岸貿易因而大增。With the development of productivity and the improvement of science and technology, the constant elevation of consume standard, the more and more fierce competition between enterprises and the huge change of economy politics and society environments largely enhanced the incertitude of market, hence enterprises transformed their managements mode from vertical integration to horizontal integration in succession, supply chain management ( scm ) is typical representation of horizontal integration management idea. scm has been introduced to our country last years, but concerned departments of government and some enterprises seriously paid attention to it. as the important part of scm, logistics is the essential key for success or failure of scm
隨著科學技術的進步和生產力的發展，顧客消費水平不斷提高，企業之間的競爭日益激烈，加上經濟、政治和社會環境的巨大變化，使整個市場的不確定性大大增加，於是企業紛紛將「縱向一體化」管理模式轉變為「橫向一體化」 ，供應鏈管理就是「橫向一體化」管理思想的一個典型代表。供應鏈管理引入我國是最近幾年的事，但是受到了政府有關單位和企業的高度重視。而物流作為供應鏈管理的重要組成部分，對供應鏈管理的成敗起到至關重要的作用。分享友人