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To address the problem that traditional keypoint detection methods are susceptible to complex backgrounds and local simi......
Non-covalent interactions between ions and πr systems play an important role in molecular recognition,catalysis and bio......
Fourier 描述符从在一个任意的看角度记录的一幅 2-D 图象为 3-D 飞机分类和姿势决心被用作特征。由 Fourier 描述符评价的特征，一......
通过2-3年对甜菜种质资源描述规范和数据标准的制定及共享试点建设的研究确定了甜菜种质资源描述标准制定的原则和方法，编制出版了......
提出了一种新的基本目标边界的傅立叶描述子，并用于表示二维目标特征和作为神经网络的输入，该描述具有对目标的大小、旋转、位移不变......
为了探索新的含能材料撞击感度预测方法,分类研究了若干硝基类含能材料,发现关于对称芳香族类硝基含能材料的部分NQ/Y类描述符与ln......
摘要：本文介紹了网络信息检索中自然语言与主题语言结合的几种常用形式，并对优化其二者结合的功能提出了几点设想。 关键词：自然语......
通过ＳＥＭ、ＸＰＳ、ＸＲＤ、ＤＴＡ等手段分析和研究了锌铬膜膜层的成分和结构，提出了锌铬膜的成膜机理研究结果表明：膜层中的锌是锌粉的状态存在，锌粉周围被......
探讨了关于专名问题的两种截然不同又颇具代表性的语言哲学观点：罗素的摹状词理论和克里普克的历史-因果命名理论。分析了这两种观......
论述了野生稻种质资源描述规范、数据标准和数据质量控制规范编制原则、适用范围及应用策略，对于促进全国野生稻种质资源的整合、规......
在ｐｒｏ＊ｃ程序的设计中，每个主语言的设计者都编写了一个符合自身要求的ｐｒｏ＊ｃ程序，这就增加了程序的维护性等不必要的代价。利用面向对象的思想，设......
尺度不变特征变化(SIFT)算法是目前在图像配准领域最为活跃的算法之一,但描述子特征向量描述部分的计算复杂度特别高,现有硬件实现......
Using Multiple Linear Regression and Artificial Neural Network Techniques for Predicting CCR5 Bindin
Quantitative structure–activity relationship (QSAR) models were developed to predict for CCR5 binding affinity of subst......
Proposed Extension to the Natta Projection Notation System for Enabling an Indication of Relative St
A system of structure depiction, as an extension of the wedge and hashed wedge bonds (Natta projection), and text notati......
2D-QSAR Study of a Series of Pyrazoline-Based Anti-Tubercular Agents Using Genetic Function Approxim
A series of pyrazoline-based new heterocycles have recently been synthesized from our group where some of the compounds ......
Studies of the Chemical Reactivity of a Series of Rhodanine Derivatives by Approaches to Quantum Che
This theoretical chemical reactivity study was conducted using the Density Functional Theory (DFT) method, at computatio......
Mangifera indica (mango) is a typically tropical fruit with considerable economic value. Brazil features a wide variety ......
In Mexico, the utilization of native heliconias germplasm for preservation and genetic improvement purposes, has been li......
The article discusses the use of Fourier descriptors for the analysis and classification of blood cells. A model describ......
Nociceptive and Neuropathic Pain Qualities in Men and Women with Acute Coronary Syndromes: A Complex
Background: Cardiac pain arising from acute coronary syndrome (ACS) is a multi-factorial phenomenon. Historically, episo......
Experimental determination of BCFs is expensive and demanding if performed correctly. Because of this, measuring the BCF......
The recent boom of mass media communication (such as social media and mobiles) has boosted more applications of automati......
Morphological characterization of indigenous and crossbred pigs in rural and peri-urban areas of sou
We sought to determine morphological descriptors of Nigerian indigenous pigs (NIP) and crossbred pigs (CBP) based on rel......
Contour is an important pattern descriptor in image processing and particularly in region description, registration and ......
A new molecular structural characterization（MSC） method was constructed in this paper.The structure descriptors were used ......
The reactivity parameters,Q and e,in the Q-e scheme reflect the reactivities of a monomer(or a radical)in free-radical c......
Updated Definition of the Three Solvent Descriptors Related to the Van der Waals Forces in Solutions
Innovative viewpoint on the older topic of the van der Waals forces, is of interesting and significant issue to be conce......
Reliable prediction of lipophilicity in organic compounds involves molecular descriptors determination. In this work, th......
Theoretical Study by Density Functional Theory Method (DFT) of Stability, Tautomerism, Reactivity an
A theoretical study of the reactivity of quinoline-4-one derivatives is undertaken in order to understand the involved m......
The matching of local descriptors represents at this moment a key tool in computer vision, with a wide variety of method......
Anticancer Activities and QSAR Study of Novel Agents with a Chemical Profile of Benzimidazolyl-Retro
The present pharmacochemical and modelling work focused on a benzimidazolyl-chalcone series. These previously synthesize......
