The synthesis of DPC by transesterification is a novel method substituted for conventional phosgene method. 碳酸二苯酯是替代光气法的新型绿色合成工艺。
Chemical regulation of morphogenesis in peanuts using DPC and NaHSO_3 缩节胺和亚硫酸氢钠对花生的化学调控效应
Effects of DPC on the Drought Resistance of Cotton Seedlings 缩节安对无毒棉和抗虫棉抗旱性生理效应研究
Data possession checking ( DPC) is used in networked archival storage to check in real time if the remote server holds a file intact before the actual access to the file occurs. 在网络归档存储中,数据持有性检查(DPC)用来在实际文件访问发生之前实时地检测远端服务器是否仍然完好地持有文件。
Shunt Active Power Filter Based on DPC 基于直接功率控制的并联有源电力滤波器
Research into The Countermeasure of Surface Ship Confronting Anti-radiation UAV Effects of DPC on the Drought Resistance of Cotton Seedlings 水面舰艇对抗反辐射无人机对策研究缩节安对无毒棉和抗虫棉抗旱性生理效应研究
In this paper, the direct power control method ( DPC) on the variable speed constant frequency ( VSCF) wind power generation system was investigated. 本文对变速恒频发电系统的直接功率控制策略进行了研究与仿真。
Study on the Effect of MET and DPC on the Morphology and Physiology of Wheat 多效唑和缩节胺对小麦形态及生理效应的研究
Conclusion: The results suggested that RNA interference could inhibit AR in DPCs, and it might be significant for the androgenic alopecia gene therapy. 结论:AR的RNA干扰质粒能抑制DPC内AR的表达,该实验为雄激素性脱发的基因治疗的进一步研究提供了必要的基础。
The article introduces the direct power control ( DPC) principle and constitution for three-phase boost-type PWM rectifiers and analyses switching table. 介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理,分析了开关表的形成机理。
Through analysis of classical DPC, a new switch table can be deduced which promote the efficiency of reactive power control of PWM rectifier. 通过对传统直接功率控制的分析,推导出一个新的开关表,可以显著地改进PWM整流器的无功功率控制性能。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power. 针对直接功率控制中开关频率变化问题,通过对PWM整流器瞬时功率分析推导,提出一种内环直接采用电流控制的新型准定频直接功率控制策略。
The principle of work and proportional regulation characteristics of differential pressure controller ( DPC) are analyzed. 分析了压差控制器的工作原理和比例调节特性。
Used with systemic and demonstrative method, the choice of growth strategy for DPC is analyzed. 采用系统与实证的方法从整体上分析独山子石化公司的成长战略选择;
The SCCP translates this number into a Destination Point Code ( DPC) and a sub-system number ( SSN). SCCP将这个号码转换为一个目的地点码(DPC)和一个子系统号(SSN)。
The DPC is a proportional control device and can realize dynamic balance of variable flow heat-supply system. 探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
Your interrupt routine does a little bit of work, schedules a DPC, and returns. 你的中断程序完成一些工作,确定一个延迟程序调用(的时间),并返回。
The catalyst system and technics for oxidative carbonylation of phenol to diphenyl carbonate ( DPC) has been studied. 针对苯酚氧化羰基化合成碳酸二苯酯(DPC)洁净化工过程用催化剂和工艺条件进行了较系统的研究。
Objective To study the effect of formaldehyde inducing DNA-protein crosslinks ( DPC) and DNA damages in mice lung. 目的研究甲醛致小鼠肺DNA-蛋白质的交联(DNA-proteincrosslinks,DPC)和致DNA的断裂作用。
So DPC need further development and research. 因此,DPC系统值得进一步开发和研究。
In dark, electron flow from H_2O to DCIP and from DPC to DCIP was not affected by sulfite. 在黑暗条件下H2O→DCIP和DPC→DCIP的电子传递均不受影响。
These values indicated that the reaction of transesterification of DMC with phenol to DPC was endothermic and thermodynamically unfavorable. 计算出的热力学性质表明,DMC和苯酚酯交换合成DPC反应是吸热的,并且在热力学上是不利的。
DPC yield is 3.37% over PbO-ZnO/ SiO2 catalyst prepared by impregnation. 等体积浸渍法制备的PbO-ZnO/SiO2催化剂上DPC产率为3.37%。
Three methods including phosgenation, transesterification and oxidative carbonylation for synthesizing DPC were introduced. 主要介绍了碳酸二苯酯的三种合成方法,即光气法、酯交换法和氧化羰基化法,其中对酯交换法和氧化羰基化法进行了详细的阐述。
Effects of soaking seeds with DPC on the physiological functions of root system and leaf of peanut seedlings DPC浸种对花生幼苗根系和叶片生理功能的影响
An innovative control called direct power control ( DPC) is also investigated. 首先研究了一种被称为直接功率控制技术的控制方法。
DPC also had good effects on Aphis Gossypii inhibition. 同时缩节胺对棉蚜种群有较好的抑制作用。
According to the purpose and characteristic of grid-side, DPC strategy and instantaneous power theory is analysed. 针对网侧的控制目标和特点,详细分析了直接功率控制和瞬时功率理论。