trv

We report that either by syringe-infiltrating the TRV-vector into the surface , stem or carpopodium of a tomato fruit attached to the plant or by vacuum-infiltrating into a tomato fruit detached from the plant , TRV can efficiently spread and replicate in the tomato fruit .

通过离体番茄果实的真空渗透，活体果实的果实表面，果柄和果茎注射等方式侵染番茄果实，烟草脆裂病毒在番茄果实中能有效的复制和转移。

Analysis of Two-parameter TRV and Calculation of Circuit Parameters in Short - circuit Test

断流容量试验回路中二参数瞬态恢复电压的分析及回路参数的计算

Study on Transient Recovery Voltage ( TRV ) of Filter DC Breaker in HVDC Converter Station

换流站滤波器断路器暂态恢复电压的研究

Therefore testing circuits are more flexible for different TRV requirements , especially for special test conditions required by the utilities .

这样，就可使试验回路对不同的TRV要求，特别是电力部门提出的特殊试验条件更为灵活。

The Failure Rate Function of Weibull Distribution in Progressive Stress Life Testing for the TFR , TRV and CE Models

TFR、TRV和CE模型序加试验下WEIBULL分布产品的失效分布

Calculation of Four-Parameter TRV in High-power Testing Circuits

断流容量试验回路中四参数瞬态恢复电压的计算

In regions with certain isolates of TRV , spraining is more prominent .

在具有TRV某些分离物的地区，坏死是比较显著的。

Prospective TRV is analyzed in this paper , and it is determined by the parameters of TRV adjusting circuit only .

研究对象为仅由回路参数决定的TRV，即预期TRV。

The different waveforms of transient recovery voltage ( TRV ) causing by earthing faults near a circuit breaker terminal are studied .

本文研究断路器端部故障时瞬态恢复电压（TRV）波形的变化情况。

The main changes about TRV in new IEC and GB standards are four parameters values , so four parameters TRV adjusting circuits are studied in the paper .

因新的IEC标准及GB中对TRV的要求变化主要为用四参数表示的标准值，故仅研究四参数TRV调节线路。

This paper presents a method for analysis and calculation of 4-parameter trasient recovery voltage ( TRV ) and its adjustment limitation in 4 kinds of testing circuits used in high-power laboratories .

本文提出一种利用回路无量纲参数分析和计算四参数瞬态恢复电压（TRV）的方法和大容量实验室中所用的四种试验回路的TRV调节限度。

The result shows that ascorbate biosynthesis gene silenced plants have less ability to resist high temperature and light stress compared with TRV plants for their electric conductivity increases and excess ROS accumulation .

研究了高温强光胁迫处理下抗坏血酸沉默植株与TRV相比都表现出较弱的抗性例如电导率的上升和活性氧的过量积累。

This TRV adjusting circuit is simulated by ATP program and is validated by low voltage simulation tests . The results indicate that these parameters of actual TRV adjusting circuit can satisfy the new standards .

利用ATP软件仿真了所设计的合成试验TRV调节线路的波形，并且用低压模拟的方法进行了验证，得出了实际试验运行时采用的TRV调节线路参数，满足了新标准要求。

The TRV characteristics of 500 kV circuit breakers in Northern China Power System Grid are summarized for 10 % and 30 % , and possibly 60 % , of the interrupting rating short circuit capacities .

总结了华北电网500kV断路器在10%、30%断流容量情况下的恢复电压特性，井研究了可能出现的60%断流容量下的恢复电压特性。

In transient recovery voltage ( TRV ) adjusting circuit of synthetic test of high-voltage alternating-current circuit-breakers , the frequency-modulation capacitors work in special conditions and the endurance test must be performed under actual load .

在高压交流断路器合成试验的瞬态恢复电压（TRV）调节回路中，其调频电容的工作条件有特殊的要求，必须按其实际运行工作负荷进行特殊的耐久性试验。

The result of detecting is 3 kinds of virus particles in potato tissue cultural seedlings of free-virus : PVX 、 PVY and a kind of short-straight particle that is similar to Tobacco Rattle Virus ( TRV ) .

在组培苗中检测到3种病毒粒体：PVX、PVY及类似烟草脆裂病毒（TRV）的短样杆状粒体。

In addition , for the parametric setting where the life distribution under the progressive stress is two parameter Weibull distribution , the tampered coefficient is investigated and the survival function of its life length is also derived for the tampered random variable ( TRV ) model .

另外针对TRV模型，在序加试验下就两参数Weibull分布给出了损伤系数，同时给出了产品寿命的残存函数。

Based on the creation of testing-circuit sensitivity calculation with the adjoint network of testing circuit , an optimization method , which could search out the suitable coeffients of testing - circuit differential equation system according to the requirement of TRV automatically , is presented in this paper .

本文介绍一种按TRV要求自动搜索试验回路的微分方程组中合适系数的优化方法，这种方法是用试验回路的伴随网络来计算试验回路的灵敏度。

During the breaking-capacity testing ot HV , especially EHV , circuit-breakers , it is a quite difficult task to reproduce a variety of suitable transient recovery voltages ( TRV ), complying with IEC or national standards , in testing circuits .

在进行高压，特别是超高压断路器开断能力试验时，在试验回路中产生各种满足国际电工委员会（IEC）和国家标准的瞬态恢复电压（TRV）是一项相当困难的任务。

On the basis of analysing error and a study of precision experiment from TRV function . This paper proposes that TRV function arrives at precision and grade in urban survey , cadastral survey and engineering survey . The suitable condition of TRV function is also discussed in the paper .

本文从TRV功能的误差理论分析和精度实验研究入手，提出了TRV功能在城市测量、地籍测量和工程测量中所能达到的精度和等级，探讨了TRV功能的适用条件。