signal activity 中文意思是什麼

signal activity 解釋
信號活動
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • activity : n. 1. 活動；活躍；動作；活動力；能動性。2. 活性；放射性。3. 機能，功能。4. 〈美國〉機構。5. 〈pl. 〉 活動范圍。
  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信號傳導進行了探討，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：丙二醛含量（ 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時出現第一個峰值，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時超過第一峰值，為對照的113 . 93 。
  2. The degradation of i k b and dissociation from nf - k b complex are essential process for activation of nf - k b. there is no report about whether cck - 8 inhibits nf - k b activity through inhibiting lps - induced degradation of i k b. the present study was designed to observe the regulatory effect of cck - 8 on changes of immune functions induced by lps, the receptor mechanism and signal transduction mechanism involving mapk, stat3 and i k b at different levels including in vivo and in vitro, in order to study its immunomodulatory effect on reversing es and its molecular mechanisms

    Ikb的降解、並從w兒b復合物上解離是w4b激活的必需過程。 ccks是否通過抑制lps誘導的ikb降解，從而抑制nf幾b激活尚未見報道。本研究在整體、細胞及分子水平，觀察了ccke對lps引起的免疫功能改變的調節作用，研究了其受體機制及mapk 、 stat3和ikb的信號轉導機制，以探討cck七抗es時的免疫調節作用及其分子機制。
  3. Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well

    通過離子交換層析和凝膠過濾層分別對兩種嵌合體蛋白進行純化，純化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時，還呈現抗血小板聚集活性。
  4. Lowering extracellular ca2 + or intracellular ca2 + in the postsynaptic neuron actually attenuated the development of activity - dependent response enhancement. furthermore, intracellular injection of spermine or administration of ryanodine eliminated the activity - dependent response enhancement. taking together, our data demonstrated that short - term enhancement of signal transmission to lhc might occur via calcium - dependent mechanism located at

    本文第三部分工作，分別比較了r / ghc對紅光反應和對綠光反應、 lhc對紅光反應和r / ghc對紅光反應來驗證級聯模型的正確性，結果顯示r / ghc可能還接受來自紅敏視錐的直接輸入。
  5. Annex b introduce a voice activity decision ( vad ) algorithm which class speech signal as voice signal and background noise signal

    Annexb提出了一種靜音壓縮演算法（ vad ） ，它將語音信號分為話音信號和背景噪聲信號。
  6. The activity of apx was also decresed after sa and vd - toxin treatment. the activity of cat was decreasded more obviously. in the vd - toxin infected arabidopsis, no also restrained the activity of cat and decreased the level of cat3 mrna. the results suggested that h2o2 acted as a signal to involve the defense reactions which is induced by sa and no in arabidopsis

    No在毒素與擬南芥的互作過程中也表現出對cat的抑制作用，結果表明， h _ 2o _ 2可能作為信號分子參與了sa和no調控的擬南芥的防衛反應， sa和no或許在轉錄和蛋白水平上通過對cat的抑制作用而促進h _ 2o _ 2的積累。
  7. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  8. Oocyte maturation involves the activation of various signal trans - duction pathways that converge to activate maturation - promoting factor ( mpf ) ; this is a key activity that catalyses entry into m - phase of meiosis i and meiosis ii

    在爪蟾卵中有大量未被激活的cdc2 - cyclinb復合物，稱為pre - mpf ， pre - mpf在tyr15位脫磷酸變成活性mpf ，起到這個作用的磷酸酶是cdc25 ， cdc25的活性通過磷酸化和細胞位置進行調控。
  9. Part ii effects of gnt - v on the phosphorylation and activity of egfr signaling molecules in h7721 cells modification of the n - glycan structure and function of egfr by the transfection of different gnt - v cdnas may lead to the alterations of the phosphorylation and activity in the downstream molecules of signal transduction

    Gntv一s / h7721細胞p42 / 44mapk的磷酸化也較mock細胞增強，而gntv一as艦7721細胞則減弱，表明egfr的這兩條信號通路中信號分子的磷酸化或活力都受gnt一v的影響。
  10. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  11. In this paper, signal peptide was added before the n - terminus of cema with the intention to reduce its toxic to plant cells while maintaining the strong antibacterial activity

    本文通過在cema的n端添加信號肽，對其進行改造，以探索不降低抑菌作用的同時，降低其對植物細胞毒害作用的可能性。
  12. The speech processing module can be divided into two parts, the first part includes speech compression, voice activity detection and echo cancellation module, which improve speech quality ; the other part includes dtmf and cpt module, which generate and detect some necessary telephony signal in the communication. this thesis is organized as follows

    該語音處理模塊由兩部分組成，一方面是對語音的處理，包括語音壓縮模塊、靜音處理模塊和回聲消除模塊，主要為了提高voip的語音質量;另一方面是對電話通信的控制和處理，包括雙音多頻模塊和呼叫進程音模塊，主要為了產生和檢測ip電話通信中一些必須的電話信號。
  13. Our previous work verified that heterotrimeric g protein was involved in regulation of pollen germination, tube growth and in the transmembrane mechanism of extracellular cam signal. in the present study, we provide further evidence that plc signaling pathway was presented in lily pollen and involved in extracellular cam signal transduction mechanism in pollen by molecular, biochemical and physiological approaches. these evidence included : the pip _ ( 2 ) - dependent plc activity was also detected in purified lily pollen protoplasts

    為了給上述信號轉導過程提供進一步的證據，本文以百合花粉為材料，從plc活性的測定、 plc基因的克隆及其與花粉萌發的關系、以及plc活性被g蛋白和cam調控等方面，為肌醇磷脂系統參與花粉萌發和細胞外鈣調素的信號轉導過程進一步提供了分子生物學和生物化學的證據。
  14. Especially, apoptin is partially similar with ribonucleotide reductase, uridylate kinase and phosphotriesterase in the amino acid sequence. the similarity between them indicates that apoptin maybe takes part in the signal pathway of apoptosis with phosphotriesterase activity or operates on hnrna with ribonucleotide reductase or uridylate kinase activity

    凋亡素與它們的長序列相似性表明，它可能具有磷脂酶活性，在細胞信號通路中起作用；或者具有核糖核苦酸還原酶和尿苦酸激酶活性而對hnrna發揮作用；或者是與其中具有某種活性的蛋白質存在競爭性抑制作用。
  15. However, overexpression of wnk1 in hek293 cells exerts no detectable effect on the activity of known substrates which indicates that wnk kinases belong to a novel signal pathway

    高表達wnk激酶家族的一個成員? ? wnk1在hek293細胞中，沒有檢測到已知的作用底物生物活性的變化，說明wnk激酶屬於一個新的信號傳導通路。
  16. During this imaginative period the braingate fed the electrical activity of its century of nerve cells to a piece of signal - processing software that looked for patterns

    在這個想象期間，大腦之門把那一百個神經細胞的電活動傳送給一個處理信號的程序，這個軟體將探測信號的規律。
  17. When typhoon signal no. 3 or above, thunderstorm warning, red or black rainstorm warning is issued at 07 : 30 in the morning of the event date, the hiking activity will be cancelled

    天氣如當天上午七時三十分懸掛三號或以上風球、黃雨或以上暴雨警告、雷暴警告，當天節目即會取消。
  18. The equipment uses microwave beams to illuminate the human body and the surface movement caused by physical activity of human body modulates the return microwave beams. therefore some parameters of the return signal, such as the frequency and the phase will be changed. if these changes can be detected, the life parameters will be extracted

    其基本原理是利用電磁波束照射人體，其回波信號被人體生命活動引起的體表微動所調制，使得回波信號的某些參數（如頻率、相位）發生改變，檢測到這些變化就能從中提取出人體生命參數。
  19. Evaluation and assessment performances of av system and equipment programming by maintain equipment services and tuner tv sets and monitors signal strength of distribution system periodically of the related tasks and works, be keep well informed and follow - up function and related activity

    通過定期檢測電視機協調器及衛星信號的強度分佈體系等工作來評估av系統和設備的運行情況，並跟進和時刻了解相關情況。
  20. Think normally, long - range education already experienced via 3 generation : generation is to teach by correspondence education ; the 2nd generation is broadcasting television education ; the main feature of the 3rd generation is to use computer network and multimedia technology, education activity has below digital signal environment, be called " contemporary and long - range education "

    通常認為，遠程教育已經歷經三代：第一代是函授教育；第二代是廣播電視教育；第三代的基本特徵是利用計算機網路和多媒體技術，在數字信號環境下進行教學活動，被稱為「現代遠程教育」 。
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