VPD

The system can be made use of in the application of VPD for new product development in enterprises .

对VPD在企业进行新产品开发的应用具有普遍的借鉴意义。

Application of VPD technique in electro optic product design

VPD技术在光电产品总体设计中的应用

The key functions of VPD are analyzed and a three keys and four levels framework is introduced .

分析了基于仿真的虚拟产品设计应该实现的核心功能，提出“三核心四层次”的虚拟产品设计框架。

The influence of net radiation and VPD on leaf temperature of cucumber grown in greenhouse was studied .

针对温室的小气候条件，以生长期的黄瓜作为测试对象，分析了太阳净辐射（Rv）和水汽饱和差（VPD）对叶片温度的影响。

No matter what was the age of leaf , all the net photosynthetic rate decreased with increasing VPD .

荔枝各个叶龄叶片之净光合成速率均随著蒸气压差的变大而降低。

Tall fescue turf canopy-air temperature difference significant in with RH and VPD correlation .

高羊茅草坪冠气温差值全天与RH和VPD显著相关。

Tr was controlled by humidity , temperature and light intensity which affected Cond and VPD .

蒸腾速率主要是由温度、湿度、光强通过影响气孔导度和叶面水气压亏缺来调控的；

The experiment environment showed that Virtual Experiment Environment for Programmable Devices with VPD model fulfilled the requirement of teaching experiment and fitted distance education experiments

实验表明，利用该模型设计的可编程设备虚拟实验环境完全可以满足教学实验的要求，尤其适合远程教育实验.如果进一步研究，还可以设计出虚拟教师

The engine test result validates the feasibility and validity of VPD . The road tests compare the fuel consumption of different power displacement .

台架试验验证了所设计的VPD模式的可行性和有效性；道路试验对比了全排量与变排量运转的燃油消耗。

In addition , the diurnal CO2 flux and the air temperature or VPD fitted a quadratic curve model . 4 .

此外，白天CO2通量对气温及空气饱和差的响应均拟合了二次曲线模型。

SFD was highly correlated to water vapor pressure deficit ( VPD ) of ambient air near the canopy layer ;

林冠层的VPD（空气饱和差）对SFD有显著影响；

The oscillation intensity was found to be significantly correlated with VPD and root resistance , but not with the respiration rate .

气孔振荡强度与VPD和根阻力显著相关，但与呼吸速率无明显相关。

The basic thought of VPD technique is that people simulate and predict the product feature , performance and manufacturability through the computer with the virtual model .

VPD技术的基本思想就是通过计算机内的虚拟模型来模拟和预测产品功能、性能及可制造性等。

The clinical effects of thalidomide combined with VPD program therapy in refractory and relapsed multiple myeloma and the change of serum VEGF levels

反应停联合VPD方案治疗难治及复发性多发性骨髓瘤疗效及VEGF水平变化

Photosynthetic Diurnal Courses and Gs - VPD Responses of the Four New Carica papaya Linn . Genotypes

4种木瓜新品种光合作用日变化以及气孔导度-VPD响应

According to the functions , VM can be fallen into two categories : Virtual Product Development ( VPD ) and Virtual Product Manufacturing ( VPM ) .

对虚拟制造进行了不同层次的划分：按功能，将虚拟制造分为虚拟产品设计和虚拟产品制造；

The time lag between Js and VPD was significantly related to nighttime water recharge in dry season , but reversed in wet season .

干季树干液流与水汽压亏缺之间的时滞效应与夜间水分补充量显著相关，湿季则相反。

This paper mainly presents product assembly model under VPD environment , describes the data structure of the product assembly model , define all structural modules and their functions of the product assembly model system .

描述了VPD环境下的产品装配模型，建立了产品装配模型的数据结构，定义了产品装配模型系统的结构组成及模块功能；

With modern tandem strip cold mill as an object of study and using VPD technology , a software system has been structured , together with a brief description of the key technology used .

以现代板带冷连轧机为对象，采用虚拟产品开发（VPD）技术，构造了软件系统的体系结构，并对所用的关键技术进行了简单说明。

Vapor pressure deficiency ( VPD ) and photo fluid density ( PFD ) were dominantly influencing factors of net photosynthesis rate as shown multiple stepwise regression analyses .

采用逐步回归分析表明，水汽饱和差（VPD）和光量子通量密度（PFD）是影响光合速率的主导因子。

If Oracle database is chosen , 2 ways of database-level security are supported : FGA ( Fine Grained Access ) and VPD ( Virtual Private Database ) .

如果采用的是Oracle公司的数据库产品，则可以有两个可供选择的产品，用以控制数据库级的存取安全：FGA（FineGrainedAccess）技术和VPD（VirtualPrivateDatabase）技术。

The RDP and modeling for runner of turbine based on VM , 3D flow numerical simulation inside runner , and optimization design of the blade of runner based on VPD are discussed detailedly in this paper .

并详细讨论了基于VM的水轮机叶轮研制流程、基于VM的叶轮建模、叶轮内部的三维流场数值仿真和基于VPD的叶片优化设计。

A baseline equation of Tc - Ta with VPD was established to calculate the Tc - Ta under non-water-stressed condition for the purpose of calculation of crop water stress index ( CWSI ) .

据此建立了充分供水条件下冠气温差与饱和水汽压差的关系方程，作为基线方程，计算不同灌水处理的冬小麦旺盛生长期间水分胁迫指数（CWSI）。

Visual product virtual assembly and virtual work under VPD environment are realized , through the virtual assembling examples of a plasticator and the light bus , and virtual working simulation of a piston valve gear and a engine .

结合挤塑模和轻型客车的虚拟装配、活塞连杆机构及发动机的运动过程，实现了基于真实动画感的VPD环境下的产品虚拟装配及虚拟工作过程仿真。

Under natural conditions , the use of vapor pressure deficit between mesophyll cell surface and ambient air ( VPD s ) instead of atmospheric humidity factors in some stomatal models may markedly promote the applicability of stomatal models .

在自然条件下，用气孔下腔与叶面间的水汽压差（VPDs）取代原有气孔模型中的大气湿度因子，可以明显提高气孔模型在自然条件下的适用性。

Virtual Product Development ( VPD ), which is considered as an effective approach to supporting product innovation and improving running environment of an enterprise , can be used to imagine , design , manufacture , test and analyze a product in virtual status .

虚拟产品开发（VPD）能够在虚拟状态下构思、设计、制造、测试和分析产品以解决TQCS诸方面存在的重大问题，是支持产品创新设计与开发和改善企业经营环境的有效途径。

The related concepts about Virtual Product Development ( VPD ) are explored and analyzed the modeling characteristics of VPD in view of methodology . The design environment model ( DEM ) based on holographic modeling method ( HMM ) is presented .

深入地探讨了虚拟产品开发技术相关的基本概念，从方法学的角度分析了虚拟产品开发技术的建模特点，研究并提出了全息建模方法中的设计环境模型的概念和组成结构。

Virtual Product Design Technology ( VPD ) is based on the computer simulation and the model of product life circle . It includes Computer Graphics , Artificial Intelligence , Concurrent Engineering , network technologies , multimedia technologies and Virtual Reality ( VR ) .

虚拟产品设计技术是以计算机仿真和产品生命周期建模为基础，集计算机图形学、人工智能、并行工程、网络技术、多媒体技术和虚拟现实技术为一体的综合技术。

It has been pointed out from theoretical analysis that the expression of the responses of stomatal conductance to VPD s is equivalent to the expression of responses of stomatal conductance to water loss of transpiration in stomatal models .

理论分析指出，在气孔模型中，用VPDs表达气孔导度对湿度的响应与用蒸腾速率表达气孔导度对蒸腾失水的响应是等价的。

The correlation coefficients between canopy-air differences , VPD , atmospheric humidity , air temperature and radiant intensity were - 0 . 65 , 0 . 58 , - 0 . 53 , - 0 . 35 , respectively .

冠气温差与空气饱和差、大气湿度、气温和辐射的相关系数分别为-0.65、0.58、-0.53、-0.35；