突变点

水文时间序列突变点分析的启发式分割方法

Heuristic segmentation method for change-point analysis of hydrological time series

爽水型水稻土和囊水型水稻土土壤磷素径流流失各存在一个突变点，分别为32和26mg/kg。

The change-point of phosphorus losses by runoff is 32 ? mg / kg in the permeable paddy soil , greater than in the waterlogged paddy soil ( 26 ? mg / kg ) .

pH10.3是硅溶解度的突变点，当pH值大于10.3时，硅的溶解度迅速增加。

Because pH value over 10.3 solubility of silicon dioxide increased quickly .

Al熔体粘度的突变点及与熔体微观结构的关系

Abnormal changes in aluminum viscosity and its relationship with the microstructure of melts

在研究中阐述了信号突变点产生的原理，进而讨论了信号奇异点（R波峰值点）与其小波变换模极大值对的零交叉点的关系。

Then the relationship between signal singularity and signal zero-crossing point of the wavelet transformed modulus maximum pairs is discussed .

用芯片电泳快速检测人p53基因外显子8上的突变点

Rapid Detection of the Mutation Point of the Human p53 Gene Exon 8 by Microchip Electrophoresis

运用生物信息学分析，发现只有Ⅱ类突变型第286位的突变点发生在富含半胱氨酸的C末端，导致精氨酸突变为甘氨酸。

Bioinformatics analysis found that only the mutation ( C286G ) of type ⅱ mutation occured in the cysteine-rich C-terminal , causing the arginine turns to glycine .

慢性乙型肝炎肝肾阴虚证HBV基因突变点的分布规律

Distribution rule of HBV gene mutation sites in chronical hepatitis B with Yin deficiency of liver and kidney syndrome

根据花纹组成的对称性选取了基于二次B样条的小波函数，将灰度变化突变点作为边缘提取出来。

According to the symmetry of pattern composition , wavelet function based on Quadratic B-spline is chosen to extract the edges as the mutated points in gray scale .

使用复合波诊断以ZnO压敏电阻为主要元件的SPD的故障中电压信号的突变点往往携带SPD运行状态的重要信息。

Singularities often carry major information in voltage signals in the combination wave detection of SPD .

关于E.coli中alkA基因启动子突变点的研究

Study of ALK a promoter mutation in E. coli

研究显示了运用Lipschitz指数解释的突变点的数学特征。

It shows the explanation of the mathematical characterization of change point with Lipschitz exponents .

两种蚊虫钠通道基因kdr突变点附近序列的研究

DNA Sequence Analysis of Two Mosquitoes Sodium Channel Genes Adjacent to the kdr Mutation Point

方法用反向点杂交法（RDB）诊断患儿的基因突变点。

Methods The gene mutations were diagnosed by the reverse dot blot ( RDB ) .

信号突变点检测和时间间隔测量是强流LIA测试信号处理的重要内容。

Signal singularity detection and time interval measurement are important in the LIA 's signal processing field .

用盆栽小麦幼苗地上部分的含Cd量、生物减产量和幼苗过氧化物酶POD活性突变点所对应的土壤含Cd量标征土壤Cd污染，结果表明是可行的。

Abstract The assessment of Cd pollution in soil by Cd concentration in the above ground part of pot-cultured wheat seedling , the decrease in biomass and POD activity mutation point was feasible .

用墨西哥帽小波和哈尔小波函数分析了我国气温变化的突变点位置，并用气温序列的5a滑动平均序列计算了信噪比（S/N），进一步验证了突变点的位置。

By using Mexican-hat wavelet and Haar wavelet transform , the abrupt change points of Chinese temperature in the last 120 years are discussed .

运用Mexico草帽子波对南极臭氧总量月平均资料进行了子波分析，墨西哥草帽子波所揭示的不同尺度下的突变点均表现为过零点（零距平）的拐点。

The method of wavelet transformation is applied to the analysis of monthly mean total ozone in Antarctica . The jump points of different hierarchies which revealed by Mexico Hat Wavelet is shown as cusps of zero points .

同时，把小波分析引入到鸣声的分析研究中，用小波分析进行突变点的检测和鸣声去噪。该文研究用C语言编程，经运算生成的数字化电视测试彩条信号数据。

At same time , the singularity singal is detected and the noise of call is removed by wavelet analysis . This paper is about " The programme of C language " , We get a data through operation , which is digital , TV-test and colour bar singal .

主汛期降水异常的年际和年代际变化明显，突变点在1967年，存在10a的显著年代际周期和3.1a的显著年际周期；

There are significant abrupt change in 1967 and 10a / 3a periodicities in interannual and interdecadal variability of precipitation anomalies in the main rainy season .

目的应用酶切方法对中国人肝豆状核变性患者ATP7B基因中的高频突变点进行检测，并对家系进行基因诊断分析。

Objective To find high frequency mutation point in Chinese patients with Wilson disease and make the genetic diagnosis .

通过数字测频算法，获取PCM/DPSK信号频率突变点，根据DPSK调制原理，实现PCM/DPSK信号的解调；

The method gets skip position of frequency by digital frequency measurement , thus realize the demodulation for PCM / DPSK signal according to the regulation of modulation of the signal .

通过采用最小均方误差（LMS）自适应算法，跟踪信号的相位信息，获取PCM/DPSK信号相位突变点，根据DPSK调制原理，实现信号的解调。

The method tracks signal 's phase information by LMS algorithm , and gets skip position of signal 's phase , thus realizes the demodulation for PCM / DPSK signal according to the regulation of modulation of the signal .

结果表明，热冲击图（σrb－t图）存在一个突变点，即当t＞400℃时，σrb急剧下降。

The results have shown that there is a sudden changing point on the thermal shock diagram ( σ rb - t diagram ), i. e. when t is greater than 400 ℃, the remaining bend strength , σ rb , decreases rapidly .

大部分研究主要集中在发病机制及基因上，如现已对KID综合征、CHILD综合征和NLS等的基因突变点进行了研究，其中大部分由单基因突变所致。

The researches mainly focus on the genetics and pathogenesis of these diseases . For example , they have explored the mutation sites in KID , CHILD syndrome and NLS , etc , and it is implicated that most of those syndromes are due to single gene mutation .

通过对谐波小波频谱边缘突变点应用Hanning窗进行光滑处理，改善了谐波小波的时域衰减特性，并给出实现算法。

The frequency spectrum discontinuity point of harmonic wavelet is smoothed by putting Hanning windows and the decay rate of wavelet in time domain is improved . The realization algorithm is also given .

结果：TGF-α基因的TaqIC突变点C1（TaqI-）、C2（TaqI+）等位基因频率分别为92%和8%；

Results : Among 136 individuals , the frequencies of the C 1 ( Taq I - ) and C 2 ( Tap I + ) alleles of the Tap I C mutation site of TGF α gene were 92 % and 8 % , respectively ;

TEJ存在明显的年代际变化，1958年到2002年之间TEJ的突变点是1978年，突变前为强TEJ时期，突变后TEJ显著减弱。

TEJ has obvious interdecadal variation , with 1978 its climate jump year . It is strong TEJ period before 1978 , and TEJ weakens significantly after the climate jump .

结果19例病例中有11例（13个突变点）发生APC突变，发生率为58%（11/19），其中移码突变9个，无义突变4个，移码突变占多数（69%）。

Results Eleven cases with thirteen mutations were determined . The frequency of APC mutation was 58 % ( 11 / 19 ) . The exhibiting mutations consisted of 9 frameshift mutations and 4 nonsense ones , indicating the existence of more frameshift mutations ( 69 % ) .

找到非热过程与热过程衔接的拐点，在SXR时间轮廓曲线上它表现为斜率突变点。

The turning point between a nonthermal process and a thermal process may be found from investigating the time profiles of SXR on which it displays as an catastrophe point of the slope .