查询词典 truncated sequence

The truncated icosahedra have been prepared for the first time by prolonging the reaction time to 4 h.The XRD,SEM,TEM and Uv-vis technologies confirm the high shape difference between icosahedral gold nanocrystals and their truncated forms.

通过延长反应时间合成了一种类似足球的新型金纳米粒子—截角二十面体，研究结果表明，该粒子由二十个六边形和十二个五边形组成，截角面是{100}面。

METHODS: After AIF△1-120 gene was successfully cloned, the shorter truncated human AIF gene (AIF△1-400) was constructed by deleting the Nterminal mitochondrial localization sequence, the coding sequence of flavine adenine dinucleotide binding domain and nicotinamide adenine dinucleotide binding domain of AIF protein.

在AIF△1-120基因克隆成功的基础上进一步改造，构建截去AIF基因线粒体定位信号，FAD结合结构域和NADH结合结构域（1-400位氨基酸）编码序列的AIF△1-400基因，将其克隆入pcDNA3和pIRES2EGFP真核表达载体，用脂质体法转染HeLa细胞，通过荧光显微镜观察，MTT检测等方法检测该基因在转染细胞中的表达及其对肿瘤细胞的促凋亡活性。

The Ed1 sequence develops ascending and falling cycle in this area; the Ed2 sequence mainly develop the falling cycle; and Ed3 sequence develops ascending and falling cycle; the Ed4 sequence mainly develop the ascending cycle.

其中，Ed1层序在全区呈对称分布；Ed2层序主要发育下降半旋回；Ed3层序旋回对称明显，全区均有分布；Ed4层序在研究区内主要发育上升半旋回。

In this paper ,on one hand ,we establish the weakly asymptotic order of the classical Bernstein interpolation sequence approximate functionin the Wiener space(or 1-fold integrated Wiener space),on the other hand,we discuss the asymptotically order for the average error of Lagrange interpolation sequence, Hermite-Fejer interpolation sequence and Hermite interpolation sequence based on the Chebyshev nodes on the 1-fold integrated Wiener space.

本文一方面确定了经典的Bernstein多项式算子列逼近函数时在Wiener空间(或1-重积分Wiener空间)下的平均误差的弱渐近阶；另一方面确定了基于第一类Chebyshev多项式零点的Lagrange插值算子列、Hermite-Fejer插值算子列和Hermite插值算子列在1-重积分Wiener空间下的平均误差的弱渐近阶。

The examples show that not only two binary complementary sequence pair sets can be used to construct a new binary complementary sequence pair set,but also it can be extended to the design of new binary complementary sequence pair set through several individual ones. This method can extend the existence space of binary complementary sequence pair set.

通过实例表明利用该方法不仅可由两个二元互补序列偶集构造生成新的二元互补序列偶集，并可推广到由多个二元互补序列偶集构造新的二元互补序列偶集的设计中，从而扩展了二元互补序列偶集的存在空间。

In this dissertation, digital lock-in detection techniques under integer period sampling and non-integer period sampling are separately investigated (1) Under integer period sampling, digital signal sequence is acquired through sampling the measured signal, but digital reference sequence is acquired through mathematical operation, then digital lock-in detection can be realized by calculating crosscorrelation function of digital signal sequence and digital reference sequence Harmonic measure is also analyzed, and a method of measuring harmonic of a periodic signal under aliasing is put forward.

本文对使用采样ADC把模拟信号转换为数字信号并通过计算数字信号的相关函数来实现锁定检测的技术进行了研究，在此基础上设计了一个多功能的数字LIA并在一些科学实验中进行了应用。本文对整周期采样和非整周期采样时的数字锁定检测技术分别进行了研究。(1)在整周期采样时，对被测信号进行采样得到信号序列，而参考序列由数学运算得到，通过计算信号序列和参考序列的互相关函数就可实现锁定检测。

To seek new infinite sequence exact solutions to nonlinear evolution equationsNEE(s, the formula of nonlinear superposition of the solutions of the second kind of elliptic equation are given, infinite sequence exact solutions to combined KdV with varible coefficients and forcible term is constructed with the aid of symbolic computation system Mathematica, which include Jacobi-like elliptic function solutions, infinite sequence soliton-like solutions and infinite sequence triangular function solutions.

为了获得变系数非线性发展方程的无穷序列精确解，给出第二种椭圆方程解的非线性叠加公式，借助符号计算系统Mathematica构造了带强迫项变系数组合KdV方程的无穷序列精确解。这里包括无穷序列类Jacobi椭圆函数解、无穷序列类孤子解和无穷序列三角函数解。

Guided by the theory of sequence stratigraphy, using the data of seismic, drill, well-logging and core, and adopting the multiplex geophysical techniques of well-logging and seismic composite analysis, 3D seismic interpretation, well-logging inversion, isochronism slicing and Stratimagic seismic facies analysis, this paper goes deep into studying some technical problems about the establishment of isochronal sequence stratigraphy framework, the prediction of sedimentary microfacies distribution and the prediction of the subtle reservoirs, and then preliminarily establishes a set of techniques about high resolution sequence stratigraphy research and subtle reservoir exploration, which is guided by the theory of modern sequence stratigraphy and armed with advanced geophysical interpretation techniques.

本文以层序地层学理论为指导，综合利用地震、钻井、测井和岩芯等资料，充分应用井-震综合分析技术、三维地震解释技术、井约束反演技术、等时地层切片技术和Stratimagic地震相分析技术等手段，深入研究了井-震等时层序划分、沉积微相展布及隐蔽油藏分布预测等技术难题，初步形成了一套以现代层序地层学理论为指导，以先进的地球物理解释技术为手段的高分辨率层序地层学研究和隐蔽油藏预测技术方法体系，并将该技术方法体系在四方坨子地区进行了试用，取得了明显成效。

If the sequence is already in the last permutation, then next_permutation reorders the sequence to be the lowest permutation and returns false. Otherwise, it transforms the input sequence into the next permutation, which is the lexicographically next ordered sequence and returns true.

如果序列已经是在最后一个排列中，则 next_permutation 将序列重新排列为最低排列并返回 false；否则，它将输入序列变换为下一个排列，即字典序的下一个排列，并返回 true。

Limit theorems for the integration of function sequence with respect to weak convergence probability measure sequence are proved under the condition of the weak tight, which have been used to research the some convergence of expectant functional sequence,and a sufficient condition for the epi-convergence of expectant functional sequence is obtained.

提出了弱胎紧的概念，并在弱胎紧的条件下证明了函数序列关于弱收敛概率测度序列积分的极限定理，用其研究了期望泛函序列的若干收敛性，得到了期望泛函序列的、上图收敛的一个充分条件。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。