遲延中子 的英文怎麼說
中文拼音 [chíyánzhōngzi]
遲延中子
英文
delayed neutron-
The mechanism enhancement of the optical brightener is not known. shapiro et al. postulated that selected brightener including m2r inhibit or alter the chitinous peritrophic membrane ( pm ), creating gaps in the membrane or gut lining and perhaps allowing more virions to pass from the gut lumen into the hemocoel
光增白劑對桿狀病毒的增效作用的機理存在兩種推測一種觀點認為光增白劑是通過破壞圍食膜結構的完整性,促使更多的病毒粒子穿越圍食膜而發動感染的;另一種意見認為光增白劑能延遲中腸上皮細胞的脫落,促進病毒的復制繁殖。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中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,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;從分子設計角度出發,利用醇解反應合成出水解、縮合反應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。The other is train communication network. based on the protocol of " iec 61375 - 1 ", published by iec in 1999, the data to be transmitted is classified into urgent periodic variables and deferrable random messages. in this paper the whole net is decomposed into two layers : train bus and vehicle bus
文中參考iec組織1999年公布的「 iec61375 - 1 」標準協議,將整個列車網路分為連接各個車廂主機的上層列車總線網和連接單個車廂內負責控制、檢測等子設備的下層車廂總線網,同時將傳輸的數據類型區分為實時的周期性過程數據和可延遲的偶發性消息數據。The mice showed also ageing - associated decline in oocyte quality, as indicated by increased frequency of premature chromatid separation, spindle disruption and / or chromosome misalignments in mii oocytes of aged mice. the gv oocytes from aged mice normally matured in vitro. the percentages of pronuclear - stage embryos, 2 - cell embryos and blastocyst derived from mii oocytes of aged mice by in vitro fertilization ( ivf ) were comparable with ones of young mice, but pronuclei formed 1 h later in aged mice than in young mice
老齡小鼠gv期卵母細胞能正常體外成熟;老齡小鼠m期卵母細胞經體外受精后形成原核期胚、 2 -細胞期胚和囊胚的比率與年輕小鼠比較無顯著差異,但原核形成時間延遲1小時;在老齡小鼠卵母細胞,注射牛精子抽提物或sr ~ ( 2 + )處理時所誘發的ca ~ ( 2 + )振蕩以及在減數分裂成熟及早期胚胎中的pkc分佈未發生改變。Nuclear translocation of tyrosine - phosphorylated stat3 was also not detected in the uteri on day 4 of pseudopregnancy and under delayed implantation
在假孕第4天的子宮和延遲著床的子宮中未發現酪氨酸磷酸化stat3的核轉位現象。The aim of this study is to examine stat3 expression and activation in mouse uterus during early pregnancy, pseudopregnancy, delayed implantation, artificial decidualization and steroid hormonal treatments by situ hybridization and immunohistochemistry
本實驗以小鼠為材料,利用原位雜交和免疫組化等方法,並採用假孕、延遲著床、人工蛻膜化及激素處理等模型,研究了stat3基因在早期妊娠子宮中的表達與調節。The aim of this study was to examine ppar5 expression in rat and mouse uterus during early pregnancy, pseudopregnancy, delayed implanation, artificial decidualization and regulation by steroid hormone treatment by in situ hybridization and inununohistochemisny the expression of ppar gene in preimplanation embryo was also determined by rt - pcr
本實驗以大鼠和小鼠為材料,利用原位雜交和免疫組化方法檢測了ppar基因在早期妊娠子宮中的表達,並利用假孕、延遲著床、人工蛻膜化及激素處理等模型研究ppar基因在子宮中的表達與調節。Ppar8 expression in the sub - luminal stroma surrounding implanting blastocyst was intensively induced when delayed implantation was terminated by estrogen treatment, while there was no detectable signal in the uterine luminal and glandular epithelium under delayed implantation
延遲著床子宮中ppar未見表達,但在延遲著床激活后,胚胎周圍的基質中ppar表達顯著增強。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。In relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory
在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲器的電子或聲波脈沖變換器上。A device for converting energy form one form to another. in relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory
把能量從一種形式轉換成另一種形式的裝置。在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲器的電子或聲波脈沖變換器上。In the proposed flow control method for abr service in atm networks, by introduction of delay factors, the cell transmission rate for abr traffic with different rtd are adjusted differently when the surplus bandwidth varies, and the rate variation amplitude for the short rtd traffic will be enlargeed while one for the long rtd traffic will be lessened, compared with erica
改進的erica演算法加入時延因子,使在連接中具有不同時延的用戶在剩餘帶寬變化時,速率的調整具有不同反應,時延大的反應較遲鈍,時延小的反應較敏感。改進演算法使得小時延信源能更快的適應帶寬的變化,緩解了由於大時延信源速率調整的滯后而無法及時解除擁塞的現象。On the other hand, the slow component of df is ascribed to the state qb - the next electron carrier of deoxidized side in ps ii. furthermore, we testified that the third component with lifetime much greater than the time of the registration period ( which is presented as a constant ), is corresponds to the recombination of p680 + and the backward transport electron from ps i
延遲熒光的衰減動力學依賴于從q迴流的電子( electron )與氧化態的p680 ~ + ,其中快相延遲熒光成份源於q _ a ~ -上電子迴流與p680 ~ +的復合產生,慢相成份源於q _ b ~ =上電子的迴流與p680 ~ +的復合產生。Due to restriction with the array aperture transition time, traditional phased array radar works under relative narrow signal bandwidth, so this restricts the application of phased array radar in the field where high performance is demanded. however, optically controlled phased array radar ( ocpar ) adopts the photoelectron technology, counteracts the aperture transition time via the method of optical true time delay ( ottd ), so it can realize wide instantaneous bandwidth and squint - free operation ; meanwhile, it can realize the miniaturization of phased array radar and has super anti - electromagnetism interference capability
而光控相控陣雷達採用光電子技術,通過光實時延遲的方法來抵消孔徑渡越時間,可以實現相控陣雷達的寬帶寬角掃描;同時也可以使得相控陣雷達小型化,並具有強的抗電磁干擾的能力;另外,由於光纖傳輸具有損耗低、頻帶寬等固有優點,採用光纖連接雷達天線和雷達控制中心,可以使兩者的距離較採用同軸電纜有較大的提高,更有利於保護雷達控制中心。Controlling spatiotemporal chaos in coupled map lattice by delay feedback
延遲反饋控制耦合映象格子中的時空混沌The aim of this study was to investigate the differential expression of mpges and cpges in mouse uterus during early pregnancy and its regulation under different conditions by in situ hybridization and immunohistochemistry. mpges expression in the preimplantation mouse embryos was also performed by reverse transcription pcr ( rt - pcr )
本實驗首先利用原位雜交和免疫細胞化學的方法,檢測小鼠正常妊娠1 - 8天子宮中mpges和cpges的表達情況,並利用假孕、延遲著床和人工誘導蛻膜化等模型研究mpges和cpges的表達及其調節。3 moderately abnormal imitation. the child imitates only part of the time andd requires a great deal of persistence andd help from the adult ; frequently imitates only after a delay
中度異常的模仿行為。孩子只能在部分時間里做到模仿,並且需要大人持續大量的幫助才能做到,或者僅在一定的時間延遲后,頻繁地模仿。Is important for implantation and decidualization. the aim of this study was to examine the expression and regulation of ep2 gene in rat uterus during early pregnancy, and under delayed implantation and artificial decidualization by in situ hybridization and immunohistochemistry
本實驗利用原位雜交和免疫細胞化學方法,檢測了ep2基因在大鼠早期妊娠子宮中的表達,並利用延遲著床和人工蛻膜化模型研究了ep _ 2基因在子宮中的表達與調節。Based on the theory mode, the delay time between the beginning of optical illumination and the onset of lock - on switching was calculated, and the transiting speed of electrons, the traversing velocity of the current filament, was obtained as well. the calculated results matched well the experimental results. taking advantage of the ultra - fast response characteristics of the devices, si - gaas pcss ' s are successfully applied to the broadening test of nanosecond laser pulses
應用單極電荷疇模型數值計算了lock - on效應的光、電時間延遲和載流子的渡西安理工大學碩士學位論文越速度(絲狀電流穿越開關間隙的速度) ,所得計算結果與實驗測試結果基本吻a利川半絕緣gaas光屯導開關的超快光l匕11向應燈性,成功地應川下納秒激光脈沖展寬試驗中,證明了開關可廠泛應川在超快光電響應和光電反饋網路中。In the uterus under delayed implantation, caveolin - 1 expression was detected in the almost stroma cells, while caveolin - 1 expression was mainly shown in the stroma and vascular endothelial cells in the primary decidulization zone after activation
在延遲著床的小鼠子宮中,小窩蛋白- 1mrna和蛋白散在表達于基質細胞和基質中的血管內皮上。分享友人