directed sequence 中文意思是什麼
directed sequence
解釋
定向序列-
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。 -
The support vector machine composed by least sequence and directed acyclic graph algorithm has been used in paper currency identification, shows the advantages of capability in dealing with scared samples, nonlinear and high dimensions
將次序最小優化改進演算法和有向無環圖演算法構建的支持向量機用於貨幣識別，充分發抨了支持向量機解決小樣本、非線性和高維模式識別問題的優點。 -
The experimental procedure that begins with a cloned segment of dna, or a protein sequence, and uses this knowledge to introduce programmed mutations ( through directed mutagenesis ) back into the genome in order to investigate gene and protein function
在已知dna克隆片段或蛋白質序列上引導程序性的變異（通過直接誘變）並返回到基因組，來研究基因和蛋白質功能的實驗方法。 -
We obtained the full length gene of hbfgf coding sequence with pcr, and adjusted the g + c content according the software dnasisv2. 5, and replaced the cys78 and cys96 with serines by site - directed mutagenesis. 2. sequence result suggested one of the recombinant is correctly synthezied and cloned
用pcr方法合成了hbfgf編碼區全長，其中前20個氨基酸的g + c含量按暨南大學碩士學位論文：大腸桿菌表達重組hbfgf結構和功能優化摘要照計算機軟體計算的結果進行了調整，第78和96位上的半瞇氨酸被突變為絲氨酸。 -
The feasibility of decomposition of transition firing sequence, the application of them in the detecting lfs and the reverse course of decomposition - synthesis are discussed. they provide theoretic basis for our algorithm in the field of petri net. supported by the above, two main part is included in the algorithm : at first, x is transacted according to the following method in order to get a set of xb named as basic vector of x which is the firing count vector of a directed path without circle if md is reached from m0 in the rg ( m0 )
在變遷序列分解的指導思想下，我們的演算法主要通過以下兩步工作完成： （ 1 ）首先對給出的已知條件中滿足狀態方程的n維非負整數向量進行處理，得到一組x的基礎向量x _ b ，使得在petri網的可達標識圖中，若存在一條由m _ o到m _ d的有向無環路，則x _ b為這樣的路上變遷引發序列的發生數向量。 -
Directed by the advance theories of sequence stratigraphy, reservoir beds sedimentology, seismic stratigraphy and petro - geology, measured by exactitude seismic procession, analysis of seismic facies, analysis of single well lithfacies and sedimentary facies, study of macro and micro character of reservoir and diagenesis, this paper study comprehensively the stratigraphy sequence, the type and distributiong of sedimentary facies, reservoir properties, the diagenesis and the evolution of pores of the 2nd and 3rd parts of pingdiquan formation of permian in wucaiwan - shishugou region in jungan basin. we can optimum seek favourable target area and apply the study results on oil field production in order to solve the difficult questions. we mainly achieve several views as follows : l ) establish the sedimential sequence framework of permian formation in studying area and delimint the jiangjunmiao formation of middle dyas series as lowstand system tract, the lower of the second part to the third part of pingdiquan formation of middle dyas series as transgressive system tract, the upper of the second part to the first part of pingdiquan formation as highstand system tract
以層序地層學、儲層沉積學、地震地層學、石油地質學的先進理論為指導，以地震資料精細目標處理、地震相分析、單井巖相分析、沉積相分析、宏觀和微觀儲層特徵分析及成巖作用研究為手段，對準噶爾盆地東部五彩灣? ?石樹溝地區二疊系平地泉組二、三段的地層層序、沉積相類型及展布、儲層物性特徵、成巖作用及孔隙演化進行綜合研究，優選出有利勘探區帶，並將研究結果應用到生產中，解決生產中的難題，主要取得了以下幾點認識：建立了工區內二疊系沉積層序框架，把中二疊統將軍廟組地層劃為低水位體系域，中二疊統平地泉組二段下部三段地層為水進體系域，二段上部一段地層為高水位體系域。 -
It plays an important role in the cryptography due to its effective pseudorandom. the state - graph of m sequence of order n is a directed hamilton cycle of de bruijn - good graph of order n
N級m序列的狀態圖就是n級德布魯恩-古德（ debruijn - good ）圖的一個有向hamilton圈。 -
Rnase p can be directed to cleave any rna when the target mrna is in a complex with a short, complementary oligonucleotide called an external guide sequence ( egs )
能與mrna形成rnasep識別的底物形式的小片段rna稱為外部引導序列egs （ externalguidesequence ） 。 -
The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance
本文研究多徑頻率選擇性衰落通道下直接序列擴頻碼分多址（ ds - cdma ）信號的處理問題，提出了一種新型的盲接收機.該接收機不需預知多址干擾用戶的擴頻碼，不需預知通道參數，只需已知期望用戶的擴頻碼和粗略的定時，就可以完成用戶的盲檢測.同時，該接收機通過降維自適應去相關濾波和基於判決指導的自適應多徑合併，來獲得低成本和良好的抗衰落、抗遠近效應性能.模擬結果驗證了本文提出的接收機的優良性能 -
Then, based on the analysis of the combined forecasting precision sequence, the paper simplifies the model mentioned above, and gets an optimal model for calculating the approximate solution of the combined forecasting method, which is only a combination of two forecasting methods, and obtains the calculating formula of the optimal approximate solution. shen min ( transportation program and management ) directed by song bing liang
將上述兩種單項預測法進行整合，首先建立了以預測方法有效性指標為目標函數的組合預測優化模型；其次在對組合預測精度序列分析的基礎上，得到了求兩組合預測方法權系數近似解的優化模型及最優近似解的計算公式； 4
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