第二信號 的英文怎麼說

中文拼音 [èrxìnháo]
第二信號 英文
second signal
  • : Ⅰ助詞(用在整數的數詞前 表示次序) auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] (科第) gr...
  • : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 第二 : 1. (序數) second 2. (姓氏) a surname
  1. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料,通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究,以期找出甘藍葉片對低溫脅迫的生理生化響應規律,為甘藍露地越冬栽培防範寒害提供理論指導,同時對低溫脅迫下甘藍逆境傳導進行了探討,從而為徹底弄清低溫脅迫機理提供進一步的證據,研究的主要結果如下:丙醛含量( mda ) 、超氧化物歧化酶( sod ) 、抗壞血酸過氧化物酶( asp )和過氧化物酶( pod )活性在低溫處理0 30min發生顯著變化,低溫處理3min后,甘藍葉片內mda含量基本沒有變化,處理5min時出現一個峰值,達到對照的104 . 10 , 10min出現低谷,僅為對照的86 . 27 ,隨后再次上升, 30min時超過一峰值,為對照的113 . 93 。
  2. The designs of the perfect discrete single based on the rule of dyadic correlative function are discussed in the secondly part of the paper

    部分是以並元相關函數為準則對最佳離散進行設計。
  3. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行一級識別、利用共振峰參數進行級識別的兩級漢語數碼語音識別系統,在保證系統實時性的同時,實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上,給出了連接漢語數碼語音識別的軟體設計各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。
  4. Chapter 2 deals with the ground echo signal of sar, and establishes the signal models of static target and moving target

    章研究了合成孔徑雷達回波,建立了靜止目標和運動目標的回波模型。
  5. After the analysis, we think the reason is that interstage matching between second stage and third stage, output matchin

    經過分析認為是因為大級與三級級間匹配、三級輸出匹配不是十分良好。
  6. Results in this group there were three male and three female patients ageing 25 to 70. four were of atherosclerotic abdominal aortic aneurysms, with the age all above 60. two were suffering from dysplasia of the arterial media, with the age of 25 and 32. repeated upper gastrointestinal haemorrhage of small amounts ( herald hemorrhage ) occured before laparotomy in 4 cases, sudden unprecedented massive bleeding in 2 cases. four complained pain on the lumbus and the back. 5 suffered from infrarenal aaa, 1 from thoracicoabdominal aortic aneurysm. the fistula was located at the third portion of duodenum in 3 cases, at the upper section of jejunum in 2 cases, and at the transverse colon in one. two underwent replacement of the aorta with prosthetic graft material, who survived the surgery, bilateral axillary - femoral bypass was performed in one, and in another case the bleeding site was not detected. those 2 patients died postoperatively. the remaining two patients died of massive bleeding without exploration

    結果6例病人,男女各3例,年齡25 - 70歲; 4例病理檢查為動脈粥樣硬化性腹主動脈瘤,年齡均60歲以上, 2例動脈中層發育不良,年齡為25歲和32歲; 4例術前有小量多次上消化道「性出血」 , 2例突發大出血,術前訴腰部背部疼痛4例; 5例為腎下型腹主動脈瘤, 1例為胸腹主動脈瘤;瘺口部位3例在十指腸三段, 2例空腸上段, 1例橫結腸; 4例手術, 2例行人造血管移植,均生存至今, 1例雙側腋股動脈旁路, 1例術中未找到出血部位,后2例術后死亡;另2例未來得及手術死亡。
  7. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    章介紹系統的數據採集,該部分包括24bit -采樣原理、多路切換採集技術和電磁兼容設計,其中,主要介紹了ads1251晶元的工作原理和應用, photomos技術在多路切換采樣中的應用,以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。
  8. To vent shaft 22 on the second quadrant now

    第二信號室22通風口出口處
  9. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線傳輸半徑的關系等,得出了其解析描述。
  10. Chapter two describes the system ' s communication protocol and signal coding

    章主要講述了智能控制及安防系統的通協議和編碼。
  11. A second part is the transmission link-a radio signal.

    部分是傳輸線路--無線電
  12. The first section is about the way and principle of the h ( k ) f operation valve ; the second section is about controlled way of the air gate. the third section is about the controlled and transmission of the pressure signals in train pip, auxiliary pressure air tank and bake tank ; the fourth section is about the auto test way and principle of the three thoroughfare valve leakage

    一部分是h ( k ) 、 f操作閥的控制方法和原理;部分是風門的控制方法與原理;三部分是列車管、副風缸、制動風缸壓力的採集與傳輸控制;四部分是三通閥漏泄自動檢測方法與原理。
  13. In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group

    章,對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹,包括小波變換的時頻局部特性、多解析度分析、離散的快速分解與重構以及小波與濾波器組的關系。
  14. A temporal - spatial filter is designed for noise removing of clinical eeg signals, the first filtering is temporal filtering using band - pass filter, and the second filtering is spatial filtering with ica - based spatial filter

    為了有效去除臨床腦電的噪聲和干擾,設計了一種時空濾波器,分兩個階段對腦電進行濾波預處理:一個階段是時域濾波,用傳統的帶通濾波器實現;個階段是空域濾波,用基於獨立分量分析( ica )的空域濾波器實現。
  15. Another is to design the unbalanced interconnect with one internal conductor to carry the " high " side of the signal, and a second one to carry the " low ", or " floating ground " side of the signal, plus a shield that surrounds them both and is tied to " ground " at one end of the cable only

    ,在非平衡連接中,用一個內部的導線傳送「高端」的,同時個導線傳輸「低端」或「浮地」的,將這兩股線用屏蔽層裹起來並且「只能"在線的一端進行接「地」 。
  16. The dietetic life, a foundation of creating taste image, can create taste image of language sign by interaction, second signal system, linking senses and promoting feelings so as to achieve aesthetics of distinguishing taste

    飲食生活作為味象生成的根基,其通過交感、第二信號系統及聯覺通感等多種途徑實現語符的味象生成,從而達成辨味審美。
  17. Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion

    T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用, t細胞在發揮抗瘤效應(分泌細胞因子和直接殺傷)之前必須先經過活化,體內專職抗原提呈細胞( apc )細胞並使其活化,樹突狀細胞( dendriticcell , dc )為t細胞的激活提供雙重, t細胞藉助tcr識別由dcmhc分子遞交的抗原肽后,通過tcr - cd3復合體傳遞抗原特異性識別) ,以cd28為主的t細胞表面輔佐分子識別dc表面b7分子,傳遞非特異性協同刺激第二信號) ,在機體抗腫瘤免疫應答中處于核心地位。
  18. Effective activation of antigen - specific t cells not only requires the first signal transduction through t - cell receptor ( tcr ) binding with peptide - mhc complex on the antigen presenting cell ( apc ), but also needs the second signal, termed costimulation. costimulation critical to the degree and consequence of t cell activation is provided by interaction between soluble factors or cell - surface molecules on the t cell and on the apc

    而t細胞的活化除需要t細胞受體( tcr )與抗原呈遞細胞( antigenpresentingcell , apc )表面的抗原肽- mhc復合物結合所形成的外,還需要t細胞和apc表面的其它膜分子結合所提供的共刺激(亦稱第二信號或輔助刺激, costimulatorysignal )的參與。
  19. The internal cellular ca ( superscript 2 + ), moreover, act as a second messenger to transduct the salt - stress signal, and regulate the physiological and biochemical responses in plant

    而且細胞內的鈣離子作為使傳遞脅迫,調節植物體內的生理生化反應。
  20. Calcium as a second messenger transfers external signal ( hormone, light, temperature and other environal stimulates ) to intracellular signal, and induces a series of intracellular affairs

    鈣離子作為細胞內使把外源(激素、光、溫度等環境刺激)轉變成胞內,導致一系列胞內事件的發生。
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