multiple sequence 中文意思是什麼
multiple sequence
解釋
多重序列-
In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains
本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法（ sar ）在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸（ hf ）和氟硅酸（ h _ 2sif _ 6 ）溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，並建立了渭河流域全新世黃土的年代序列。 -
The advantage of these new methods over the existing ones is straightforward. first, it is intrinsically a multiple view approach as all geometric information from the whole sequence is nicely summarized in the conies
該課題的完成，極大地降低了原有演算法的復雜度，並為分析所有基於單軸旋轉的運動提供了新的思路和方法。 -
We have identified six conserved domains by multiple sequence alignments of the thymidine kinase proteins of the alphaherpesviruses
通過對皰疹病毒tk氨基酸進行多序列比較，我們獲得了在prvtk氨基酸序列上的六個保守區間。 -
There are two kinds of dynamic analysis : aggregated analysis based on the from multiple execution of the process model elements and case analysis using one instance of execution of a specific sequence of process elements
存在兩種動態分析：聚合分析（基於多個流程模型元素的執行過程）和實例分析（使用流程元素的特定序列的執行實例） 。 -
To deal with the question that how we can guarantee the dna sequences which are stored in the personal dna database are anonymous, that no one can find out whom a special dna sequence is collected from, this paper get a new method ? savior, by improve dnala ( dna lattice anonymization ), which is a method settling this question. savior replaces the multiple alignment in dnala with pairwise alignment between every tow sequences, and replaces the greedy algorithm in dnala with stochastic hill - climbing. for doing this, it can save the time for data pretreatment, and add the precision of classing
針對個人dna數據的隱私保護問題，即:如何保證無法將存儲在數據庫中的dna序列信息與其提供者的個人身份信息（如:姓名，身份證號碼等）聯系起來，本文對一種新近開發的隱私保護方法? dnala （ dnalatticeanonymization ）進行了改進，在數據預處理階段，用兩兩雙序列比對代替了原演算法中的多序列比對，在不降低處理精度的情況下減少了數據預處理所耗費的時間;用隨機爬山法代替了原演算法中的貪心策略，增加了演算法後期處理的精度，從而形成了一種新的演算法? savior 。 -
Gfral was high expressed in e. coli after iptg induction. by ni2 + chelation affinity chromatography, the purified recombinant gfral protein were obtained. based on the evolutionary trace method, multiple sequence alignment and dendrogram construction were then carried out by the clustalx program and constructed a phylogenetic tree from a multiple sequence alignment for a protein family
2 . gdnf的表達及其對pc12基因工程細胞的影響用本教研室已構建好的表達質粒pet一gdnf轉化大腸桿菌bl21 （ de3 ） ，經lmmipto誘導gdnf表達，並在niz氣nta柱上進行純化，稀釋復性后，純度達90 %以上。 -
Firstly, the static time window model of scheduling aircraft landings at an airport with single runway or multiple runways was studied and the " matrix sorting algorithm " for deciding flights sequence was presented based on it
論文首先介紹了單跑道和多跑道系統終端區到達飛機流排序的靜態時間窗模型，然後討論了動態排序問題，以此為基礎提出了矩陣排序方法。 -
Direct sequence - code divition multiple access ( ds - cdma ) technology is achieved easily and used widely at present its receiver capability is confined by two factors, one of which is the multiple access interference ( mai ) which makes the capacity low, another of which is the near - far problem
直接序列擴頻-碼分多址（ ds - cdma ）技術是最易實現、也是目前應用最廣的一種方式，它的接收性能受到兩個主要的限制：一個是多址干擾造成的性能下降；另一個則是遠近效應問題。 -
Therefore, the priority sequence among the multiple mortgages affects greatly the intrests of mortgages
因此，各擔保物權之間的位序關系對各權利人的利益影響甚巨。 -
Result : the decision tree consisted of multiple levels of branches and color blocks to present the output and the sequence of information gathered ( e. g., length of stay > disease classification > mode of departure from the hospital > triage > medical specific ) and reflected the degree to which the distribution of medical expenses were influenced
結果：決策樹以多層次之樹枝分佈及顏色區塊等視覺化方式呈現研究結果；其中資訊增益順序為（滯留時間疾病分類離院后動向檢傷分級科別） ，該資訊增益之順序也代表屬性影響醫療費用分佈之程度，意即滯留時間為決定急診病色醫療費用多寡之首要因素。 -
For wireless communications, direct sequence code division multiple access ( ds - cdma ) techniques have received a great deal of attention due to the expectation of capacity increase, interference rejection capability, security, and so on. in a high data rate application such as multimedia services, however, the capacity of ds - cdma systems is limited by both the inter - chip, or inter - symbol interference
Cdma技術以其高抗干擾能力、高容量、高保密性等技術優勢在第三代移動通信系統中被廣泛應用，然而在高速數據業務中，嚴重的碼間干擾和符號間干擾會導致系統性能明顯下降。 -
In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed
第五章對雷達干擾進行了闡述，主要的干擾信號有連續噪聲調相干擾、偽隨機碼噪聲干擾、多假目標干擾。 -
Pfam is a large collection of multiple sequence alignments and hidden markov models covering many common protein families
為一包含了許多多重序列校準，以及「隱藏式馬爾科夫模型」的巨大集合，裏面涵蓋了許多常見的蛋白質家族。 -
Solving the multiple sequence alignment problem based on simulated annealing algorithm
多序列聯配問題的模擬退火求解 -
Among these tools, multiple sequence alignment ( msa ) is the most important because msa is central to most bioinformatics techniques
因為其它的許多生信息學工具都是以多序列對齊為基礎的。 -
Due to the np - completeness of optimal msa, any attempt of developing a fast algorithm to compute optimal multiple sequence alignments is expected to fail
由於序列對齊是一個np完全問題，所有企圖快速產生最優化對齊的想法是不可能實現的。 -
Pairwise and multiple sequence alignment algorithms of bioinformaics are studied in this paper. the main contents and production can be briefly summarized as follows : 1
本文研究了生物信息學中的雙序列和多序列比對演算法，主要研究內容和取得的成果如下： 1 -
5. in biology field, clustal is one of the most popular multiple sequence alignment software. when large numbers of sequences are aligned at one time, the time complexity of clustal algorithm is very big and it is not suit for vast sequences
Clustal程序是生物學界通用的多序列比對軟體之一，隨著同時進行比對的序列數據量的增加，其時間復雜度急劇增加，該程序無法滿足大規模的序列數據比對。 -
A solution applying genetic algorithm to multiple sequence alignment was presentd after multiple sequence alignment research actuality was analysized. in this solution, some genetic strategies was designed for multiple sequence alignment problem. for example, coding, initial population, fitness function and the operations of natural selection, crossover and mutation
基於多序列比對研究現狀的分析，提出一種基於遺傳演算法的多序列比對解決方法，設計並實現了序列比對問題的遺傳編碼，初始群體生成方式，適應度函數計算以及選擇、交叉和變異三種重要遺傳操作的方式。 -
4. because genetic algorithm obtains local optimal solution at times, an approach was advanced that incorporates simulated annealing into genetic algorithm to improve the performance of genetic algorithm. an annealing operation is added and can improve the convergence rate evidently in multiple sequence alignment
針對遺傳演算法容易陷入局部最優解的缺點，提出模擬退火演算法與遺傳演算法相結合的思想，在遺傳操作中加入退火操作，可明顯提高多序列比對進化後期的收斂速度。
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