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But the network cable version you can sample locations to observe the master, while non-net site is rarely used instruments to its seriousness, adjusting the pressure by our own experience, as well as on non-net business card printing and membership card making products paid enough attention to, as long as the field without a saturated color deficiency, there you go, so adjust to stress that, in some cases this is a standard printing efficiency (probably as a result of ink, paper causes), the largening business card printing and membership card making pressure so that it reaches collesting burliness, color saturation, which in English means offsctdruckereien stress damage without, in particular affect printing quality.

但网线版可以堵住不不差样弛的网不面来查察把持,而无网实不天则好众用仪器去检测它的不弛辛,调动水平不常凭自己的教训,同时也不不差无网制卡和会员卡制作品不敷鄙薄,觉得只给印不入实不天不不收虚,色彩较饱和不离可以了,因此不不差不弛辛的调动也不离以此为尺量,有时印品成果不佳(不定是因油不朱、纸弛来因造不败),则拔取加不小制卡和会员卡制作不弛辛的办法,使之到达实不天单弱,色彩饱和的成果,殊不知胶印不弛辛功不小有百害而无一利,格外会感化印品格量。

The SOD and the LDH-1 activities and EST (R_f=0.17 and R_f=0.72) at 1℃weresignificantly higher than the values of the room temperature(P<0.05), but the total enzymeactivities of LDH, G6PDH and EST at room temperature and 1℃were similar(P>0.05).This showed well-developed anoxia tolerance of the Heilongjiang wood frog to maintainplasma viability when low temperature interrupts the delivery of oxygen and substrates. LDH-1rose significantly avoided the liver lactic acid accumulation that may created the liver to bewearied. EST (R_f=0.17 and R_f=0.72) rose may enhance the ester metabolism to offer muchenergy. These showed steady metabolic rate and relative stable organism environment of theHeilongjiang wood frog to survive under low temperature.Native PAGE separated proteins of liver tissue successfully on the better condition is 6%final gel concentration and there were 15~19 bands identified on this condition.

同功酶电泳图谱显示,1℃组与室温组黑龙江林蛙肝脏LDH酶活性差异不显著,均以LDH-5为主,但1℃组LDH-1显著高于室温组(P<0.05),推测黑龙江林蛙为适应低温低氧环境,增强LDH-1酶活性以较好的利用乳酸,避免因大量乳酸形成造成肝脏疲劳;而1℃组肝脏G6PDH酶活性无显著变化,进一步说明低温条件下葡萄糖戊糖途径和糖酵解作用的互相协调,维持机体代谢的稳定;1℃组和室温组EST总酶比活力无显著变化,但1℃组中R_f=0.17和R_f=0.72的EST同工酶显著升高(P<0.05),推测在低温条件下黑龙江林蛙可能通过选择性增强部分酯酶同功酶活性,增加肝脏酯类物质代谢,为机体提供维持生命必需的最低能量。

Changes lf hepatic pulmonary tuber-culotic patiersive stage of antituberculotic therapy [J].

抗结核治疗后肝功损害的发生无一定规律,多在治疗2mo内发生,本研究217例患者中66例出现肝功损害,其中治疗1mo内发生者21例,2mo内发生者45例。

PPAR γ agonist displayed obvious renoprotective action,the mechanism was complicated, it could improve the metabolism of glucose ang lipid, depress blood preasure, protect small vessels endothelium,improve the system activity of blood clotting and fibronolysis, antiinflammation, otherwise the action was more obvious with the time passed, at the early stage the effective was better,so encourage the patients to take the medicine earily; when the patients with the mediate reanl function failure, Avandia did not display significantly renoprotective action, side reaction had no difference compared to the control group,was not necessary to regulate the dose of Avandia.But because of the sample size was small, we needed a biger sample to confirm the results. We confirmed that Prol2Ala had no difference in control case,diabetic nephropathy group and diabete group,In diabetic group and diabetic nephropathy group, Ala carriers compared to noncarrier all kinds of biochemical indicators were not different,Prol2Ala did not have association with diabete and diabetic nephropathy. But because of the sample size was small, weneeded a biger sample to confirm the results.

PPARγ激动剂对糖尿病肾病具有明显的保护作用,保护作用的机制是多方面的,除了改善糖脂代谢,降低血压外,还具有保护小血管内皮,改善凝血和纤溶系统活性,抗炎症等多方面的作用,且作用随着用药时间的延长而日趋明显,在疾病的早期应用效果更佳,故提倡早期用药;对伴有慢性肾功不全的患者,罗格列酮对肾脏靶器官的保护作用显现的并不明显,但副作用与对照组无明显差异,不用根据肾功情况调整用药,但由于样本量较小,上述结论尚需大样本进行进一步证实;本实验研究得出Prol2Ala变异在健康对照组、糖尿病组及糖尿病肾病组均无显著差异,糖尿病组及糖尿病肾病组临床各生化指标与Prol2Ala变异亦无相关性,Prol2Ala与糖尿病及糖尿病肾病不相关。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法:根据PWM整流器网侧矢量关系,直观地描述了其四象限运行的基本原理及特征;定量分析了VSR、CSR的PWM换相过程及波形特征;引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性;提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法;并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法;在研究了VSR电流控制策略基础上,提出了影响VSR电流控制的几个要素,并进行了定量分析;根据VSR空间电压矢量的定义及分布,提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略,并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略,有效地改进了滞环PWM电流控制性能。

Through theoretic reckoning and simulating analyzing, several control strategies for shunt APF were compared and chose ip-iq arithmetic ofthe instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. Based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. Two topologies of main circuit were compared and chose the three-phase voltage-source converter with a split-capacitor as its main circuit structure. The numerical scales of the dc side capacitor and inductance of reactors were calculated. The high-pass filters were designed to eliminate effectively the highfrequency harmonics produced by APF.

通过理论计算和仿真分析,比较了并联型APF的几种控制策略的优点和缺点,从中选择瞬时无功理论控制策略i_p-i_q计算方式为指令电流产生的算法,并在此基础上增加了抑制系统谐振和平衡直流侧电容电压的控制;比较了并联型APF主电路的两种常见形式,从中选择了三相电压型变流器的主电路形式;算出适合该APF的直流侧电容和出线电感的参数;设计出能有效消除APF产生的高次谐波的高通滤波器。

In this paper a new contingency screening and ranking method is formed by combiningiterative filtering screening technology with continuation power flow analysis. Researchingpreventive control policy in reactive power compensation and load control when themargin of stability is serious, and reciprocal math model is given;through the exempleof IEEE39 typical system , the availability of the discussed methods in this dissertationwas approved. Aimed at the real grid, the contingency screening analysis and preventivecontrol policy based on Beijing power grid is discussed;the static voltage stabilityanalysis software based on figure draw of Beijing grid is realized, and the software hasthe junction to BPA .

论文提出了将迭代过滤筛选技术和连续潮流法相结合的事故筛选分析方法;从无功补偿控制和负荷控制两方面研究了系统裕度紧张时的预防控制策略,给出了相应的数学模型;采用IEEE39节点的标准系统算例,验证了本文提出的静态电压稳定事故筛选分析方法的可行性;针对实际电网讨论了基于北京电网的事故筛选分析和预防控制策略;通过与BPA接口实现了基于北京电网图形平台的静态电压稳定分析软件。

With the development of power electronics, nonlinear loads are widely used in power system, which bring about serious harmonics pollution and big current of reactive power. In the same time, the load including high-tech and high precision is developing rapidly, which ask for high quality power. In the other hand, the power net is becoming bigger, the disturbers between different parts of the power net becoming more serious.

随着电力电子技术的发展,越来越多的非线性负载投入电网中,谐波和无功对电网的污染越来越严重,同时,高精密负荷的比重迅速增大,对整个电网电能质量要求越来越高;另一方面,电网的并网规模越来越大,电网各部分之间的干扰也不断加重,这些都严重的威胁着用户电能质量和电网的运行安全。

The principle of the novel single-phase hybrid active power filter is described in detail. Based on the above analysis, Kalman filtering approach for estimation of harmonics is presented to improve the speed and precision of harmonic detection, and it also can avoid the influence made by voltage distortion on harmonic detection. A new current control strategy based on energy balance is presented to regulate the active part absorbing or releasing active power and control the inverter to produce current opposite to the harmonic current reflowing in injection branch, the above method combined with harmonic current tracking control that keeps the stabilization of dc-side voltage and improve the reliability of the system.

并详细分析了系统的滤波原理,提出了基于卡尔曼增益自调整的改进型动态谐波含量估计方法,能够快速准确的跟踪检测电网谐波电流,并且克服了电力机车等冲击性负荷引起的电网电压畸变对谐波检测精度的影响;提出了基于逆变器两侧能量平衡的电流控制方法使有源部分吸收或释放一定有功或无功功率及产生与注入支路回灌谐波电流相反的抑制电流,然后联合电网谐波电流跟踪控制以获得系统参考信号,保证了直流侧电压的稳定,提高了装置可靠性,增强了系统滤波性能。

As the field of microwave communications professional manufacturer of passive components, Bo Xiang Electronics since its inception is committed to research and development, production and marketing of power splitter, coupler, Combiner, diplexers, filters, power load, such as small and medium-sized 6 Series more than 100 kinds of products, widely used in GSM, CDMA, PHS and other communications networks a variety of distribution systems to low-loss, wideband, high reliability, waterproof dust characterized, its production, processing capability, stable performance , delivered quickly and cost-effective, at present is the biggest kind of passive components, one of professional supplier in 2005, output value of more than 6000 million.

作为微波通信领域的无源器件专业制造商,博翔电子自成立以来致力于研发、生产和销售功分器、耦合器、合路器、双工器、滤波器、中小功率负载等6个系列100多种产品,广泛应用于GSM、CDMA、小灵通等通讯网络的各种分布系统中,以低损耗、宽频带、高可靠性、防水防尘为特点,其生产、加工能力强、性能稳定、交付迅速、性价比高,目前是国内该类无源器件最大的专业供应商之一,2005年产值6000多万元。

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推荐网络例句

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷

Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。