6GF—500型小杂果自动分级机的研究

依照总体设计原则和通用设计原理,兼顾小杂果本身的物料特征,自主研究设计自动分级机。小杂果单果质量一般在10～40g左右,要达到设计要求的生产能力、无损伤及分级精度,必须同时兼顾分级部件的工作速度和称量系统的精度。阐述了6GF—500型小杂果自动分级机的原理、组成,以及主要参数的确定、主要解决的关键技术和创新点,并对该机型的应用前景进行了展望。     

基于VRML的虚拟园林设计要素构建

虚拟现实技术应用于园林设计,可利用动态和交互方式对未来的园林进行身临其境的全方位审视,可达到传统的园林效果图所无法达到的效果,然而目前虚拟技术在园林中的应用比较少。笔者基于VRML技术对园林设计要素的（植物、建筑、地形和水体）构建进行探索,实现了园林设计四大要素的三维模型构建和互联网上的漫游与交互功能。研究表明基于VRML构建园林设计要素的方法是行之有效的,而且效果比较好。     

One Scheme About Small and Medium-sized Enterprise''s Planning Control

In the market economy, it is an essential problem to be solved for a company in the information process to optimize its resources and achieve the best economic profit by means of integrated management and careful planning. Planning plays the core role in the process. This paper puts forward a scheme for the design and simplification of the planning control system for small and medium-sized companies. With the combination of the two planning models, MRP II and JIT, the paper offers the framework of the planning control scheme and the designing ideas and analyzes the main functional templates in detail.     

小功率管式臭氧发生器电源与定时控制设计

介绍了用于果蔬保鲜的小功率管式电晕放电型臭氧发生器电源电路利用电晕放电原理产生臭氧（O3）的工作过程。根据臭氧发生管放电极的空间布局上的特点,设计双变压器回路给予供电,并辅以STC89C52RC单片机控制电路,实现定时可控功能。该设计克服了传统果蔬保鲜臭氧发生器电源模块庞大的缺点,并根据臭氧发生器的机械结构特点设计了合适的电路板,使电源模块体积减小,节省了安装空间。     

Optimal Design of Aerostatic Bearing

A method using fuzzy sets theory and optimization method in designing aerostatic bearings has been presented,which has solved the multiobjective optimal designing problems of aerostatic bearings and has obtained rational structure parameters,raised the efficiency of designing.The automation of aerostatic bearing design has been realized.     

Relative Performance Evaluation in teams

Team is one of the two greatest hot issues in management in 90's.Agents reward system is critical to incentives in teams,which is one of the most important problems in incentive mechanism designing theory,and the relative performance evaluation in a group is the base of incentive mechanism designing theory.The authors optimally design the system for share of profit among agents,and also develop a relative performance evaluation system for agents in a group,and have some conclusion to guide the practice.     

Communication Platform Based CORBA and java in Collaborative Design

The present status and problem for collaborative design are analyzed. A communication system structure based CORBA principle and the Java distributed programming technology is developed. The capability of CORBA and Java supplying is compensated each other in this structure system. The integration of CORBA and Java is proved to be a more effective designing platform for distributed collaborative design in the area developing WWW-based applications. Highly efficient safe communication is realized for collaborative design.     

数学建模方法在饲料配方设计中的应用

用数学建模的方法建立了饲料配方设计的数学模型,通过对0～6周龄的蛋用雏鸡饲料配方的设计及采用简便的EXCEL方法求解的介绍,为配合饲料生产提供了一个科学、简便、实用的配方设计方法。     

THE APPLICASION OF SUPERVISOR CALL(SVC) FUNCTION IN DEVELOPING OF RMS SYSTEM

RMS system is a running management system self designed and developed for M304s computer system. Supervisor call (SVC) is one kind of method of communication between user and system in designing of operating system. This article introduces you the way how to resolve the problem in RMS design by using supervisor call function, with brief introduction of system design.     

The Design of Courtyard-Style Elderly Care Buildings in Cold Regions

Different climatic zones should consider different architectural spatial organization forms when designing buildings. In this paper, the design scheme of Half Courtyard located in the Guanzhong Plain of Shaanxi is selected for research to explore how to construct ecological elderly care buildings in cold regions. The design scheme has been proven to increase solar energy efficiency, add natural ventilation, improve the insulation performance of building envelopes, and create a comfortable indoor climate.     

Landscape Construction of Urban Luxury Hotel:A Case Study of Taiyuan Wanda Vista Hotel

Through analysis on landscape planning and design,construction process management and control of the Ta iyuan Wanda Vista Hotel,landscape planning and design ideas,plant species selection and construction experience of the urban luxury hotel are summed up,which provides a reference for the related profession designing and constructing landscape aspect of urban luxury hotel.     

Study on CAD System of Slope Pile-Anchor Retaining Structure

The process of designing the common slope pile-anchor retaining structure in Chongqing is analyzed, the finite element method is applied to calculate the force of the structure and design the anchor bar, pile and holding sheet. The CAD system is developed including fore-process, post-process, calculation of the structure and drawing by computer in order to make the designing of slope pile-anchor retaining structure more quickly, more economical and convenient. It has been applied in practice of the slope engineering with a good result.     

An Expert System Approach to the Computer Aided Design of Intelligent Controllers

The idea for an expert system approach to the computer aided design of intelligent controllers (ESCAD1C) is discussed and the idea of two step modelling of an intelligent controller is presented on the basis of emulating human control behaviours to solve complex problems. The structure, functions and characteristics of ESCADTC system , and the design procedures of intelligent controllers are gived. The knowledge base and simulating functions for designing intelligent controllers are also described.     

Research on Age-friendly Open Spaces Design in Residential Areas of Small Towns

Taking the accelerating aging and newly promoted urbanization as backdrops, this paper, on one side, analyzed the demands for parks, squares, fi tness facilities, chairs, etc. of elders in small towns from perspectives of unique physical, psychological and social features of elders. On the other side, it also tackled the inadequacies of open spaces in small towns. Moreover, it proposed strategies such as creating social activity spaces, cultivating therapeutic green landscapes, constructing diversely secure fi tness spaces and building age integrated environments, etc. for designing age-friendly open spaces in small towns.     

Designing Complex Shapes with NURBS

This article discusses the designing method of complex shapes with NURBS. The general design process of curve and surface is put forward in this paper,and the correspondent mathematical expressions and computational method are also presented. Because of the superior feature of NURBS, these methods are very suitable for constructing different kinds of shapes,and easy to use in engineering applications. Finally,the authors summarize various kinds of method of geometry design, based on NURBS.     

Application of Object-oriented Representation in the Motorcycle Designed Expert System

Knowledge representation is one of the key technologies in the designed expert system.According to the requirement of total design of motorcycle, this paper researches the classificationof knowledgeand experienceof the motorcycle, analyses the points of knowledge representationmethod such as production rule, frameworkand object-oriented and so on, and puts forward the object-oriented knowledge representation method which is combined with abstraction, encapsulationand inheritanceof object-oriented technique. At last the authors realizes the knowledge representation of motorcycle designing under the language environmentof C++ and givesthe knowledge representationexamples of motorcyclebodywork designing.     

天蚕素类抗菌肽的结构设计及活性预测

抗菌肽的特性使其有可能成为取代抗生素的新型药物。提高活性,最大程度地降低其毒性是目前抗菌肽研究的目标,通过分子设计及改造,可以有效解决上述问题。通过对设计天蚕素的结构改造以及改造后的二级结构、两亲性、疏水性分析和预测,以期得到抗菌活性更优的抗菌肽。     

Design of Self-adjusting Planetary Gear Rotation Mechanism Based on Planetary Gear Structures Muster

Self-adjusting planetary gear rational mechanism can eliminate the influence of various uncertain errors in mechanism. Therefore ,it's method of self-adjusting designing is attented by machine designer. For seeking a simple, regular, and widely realizing self-adjusting designing way, this article uses approach of the follow text to design no over-constraint and self-adjusting mechanism. First, the article advances the conception of planetary gear structure muster and it's plotting basis, through using for reference the strategy and method of self-adjusting structure groups in planar linkage mechanism. Second, it designs the self-adjusting planetary gear structure muster, through analyzing the constraint and freedom of planetary gear structure muster. Third, it designs the self-adjusting mechanism, through adding aptitude rotational links outside of self-adjusting planetary gear structure muster. This mechanism can realizes the self-adjusting in the interior of muster and self-adapting in the exterior of muster. This designing plan possesses a series of excellence, such as, theoretical, simple, feasible, widely self-adjusting. Consequently, the mechanism can eliminate the working capability influence of various errors.     

FIR Digital Filter Design Based on Proximate Best Uniform Approximation Theory

After investigating into the design of classical FIR digital filter, a method of FIR filter design based on proximate best uniform approximation is proposed. The paper introduces the theoretical basis of the proximate best uniform approximation theory in detail, and applies it to the design of FIR digital filter. The procedure of designing a FIR filter with the proximate best uniform approximation method is given. The example shows that the filter designed by this method is of good performance in both pass band and eliminated band, and comparatively little calculation related, and hence it is of promising prospect to be applied.     

A Method of Calculating the Volumetric Flow Rate for Screw Refrigerating Compressor

It is two main factors that the refrigerant leakes and preheated in compress process for the discharging of the screw refrigeration compressor. The size of them directly is related to the form of the screw and the precision of the screw processed, and the screw cooled etc. Each compressor factory is different from others for designing and processing the screw. In the engineering design, it is difficult to calculate volumetric flow rate of the screw refrigeration compressor. The main factor of the volumetric flow rate is analyzed for the screw refrigeration compressor. A method of calculating the volumetric flow rate is inferred and checked. It can be for the use of engineering design