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a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

In addition, the needs of the measurement accuracy are analyzed, which is used to confirm the digit of A/D.

对各参数的测量精度做了分析，并由此确定了相应的A/D转换位数。

acute of disease of lung of sex of 58 chronic block is aggravating period the patient is divided randomly for hydrochloric acid ammonia bromine alls alone remedial group and groovy treatment group each 29, two groups all give absorb oxygen, fight infection, smooth asthma, correct agent of spasmolysis of soda acid unbalance, bronchus and whole body or local application the convention such as coriaceous hormone treats candy integratedly, group of treatment of all alone of bromine of hydrochloric acid ammonia is added on groovy cure foundation all alone with bromine of hydrochloric acid ammonia drop of vein of inject fluid 30mg(100ml) is noted, 1 ～ 2 / D, period of treatment 7 ～ 14d.

方法58例慢性阻塞性肺疾病急性加重期患者随机分为盐酸氨溴索治疗组和常规治疗组各29例，两组均给予吸氧、抗感染、平喘、纠正酸碱失衡、支气管解痉剂及全身或局部应用糖皮质激素等常规综合治疗，盐酸氨溴索治疗组在常规治疗基础上加用盐酸氨溴索注射液30mg(100ml)静脉滴注，1～2次/d，疗程7～14d。

The highest H〓S loading of the process is 6500gS/(m〓 padding d), which is far more high than that of similar process that runs under the neutrophilic condition, and is about 2 to 3 times of that of trickling filter bed under acidophilic condition.

包埋固定化微生物滴滤床处理硫化氢的最大负荷为6500g/m〓填料·d，远高于中性运行的同类装置的负荷，也比同样为酸性环境下运行的生物膜滴滤床负荷高2～3倍。

OBJECTIVE To observe the effect of actinomycin D on persistent infection of encephalitis B virus.

目的：研究放线菌素D对持续感染乙脑病毒增殖活性的影响。

Actinomycin D is a clinically used antitumor drug, whose pharmacological action has been attributed to its ...

放线菌素D是一种临床有效的抗肿瘤药物，它的药理作用被归因于能够与双链DNA发生嵌入式结合作用。

Objective: To investigate the effect of PI3K/Akt signaling on actinomycin D induced apoptosis in hepatocytes.

目的 探讨放线菌素D诱导正常人HL7702肝细胞凋亡及PI3K/Akt信号通路对此过程的作用。

Objective: To investigate the effect of inhibitng C-myc expression by actinomycin D on intimal hy-perplasia in vein graft.

目的：观察放射菌素D对移植血管中C-myc基因表达及内膜增殖的影响。

That actinomycin D at certain concentrations could induce SL-1 cells apoptosis was studied.

研究了一定浓度的放线菌素D诱导SL-1细胞凋亡作用。

Actinomycin D could inhibit the effects of fibrogenic factor on type Ⅰ and Ⅲ collagen gene expression.

放线菌素D可抑制该因子对胶原基因表达的刺激作用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。