查询词典 damping-off

Secondly,some influence factors of damping adjustable multiple are analyzed to provide some ways for augmenting the damping adjustable multiple under the condition of keeping initial damping moment invariable.

Secondly ，一些影响因素的多重阻尼可调的分析提供一些途径增加阻尼可调多的条件下，维持最初的阻尼时刻invariable。

The damping composite structures with three-layered damping materials were prepared. The damping properties were studied with the finite element method.

随着现代科学技术的发展，人们对工作和生活环境的要求也越来越高，振动和噪声的控制日益成为一个复杂而迫切的问题。

The invention is a method for designing and preparing binary reinforced damping magnesium alloy having medium rigidity, medium strength, high-medium damping and medium raw material cost, the prepared alloy is beneficial for balancing required elements in practical application, including optimized rigid, wide frequency band, wide strain amplitude, wide temperature zone, strength, enough high-temperature-resistance, creep resistance, toughness, price, anticorrosion treatment and heat processing, and is beneficial for solving the problems in industry, such as lacking of variety of damping magnesium base alloy, selecting and using of rare-earth resource or drawback of substitution.

设计和制备中等刚度、中等强度、上中等阻尼性能和中等原料成本的二元增强阻尼镁基合金的方法，得到的该合金有利于平衡优化刚度、宽频段、宽的应变振幅、宽温度区间、强度、足够耐高温、抗蠕变、韧性、价格、利于防腐处理和利于热加工等实际应用中需求的要素，利于解决工业上可供选择的阻尼镁基合金品种不多以及稀土资源选择利用或替代利用性不足的问题。

In chapter three, the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically. In this chapter, the mechanical impedance of piezoelectric shunt damping system is analyzed, and the parameters of the RLC piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect.

第三章。研究了利用压电分流阻尼系统进行压电智能悬臂梁被动振动控制的方法，分析了压电分流阻尼系统的机械阻抗，并通过传递函数方法对RLC串联压电分流谐振电路元件的参数进行了优化，以使压电分流阻尼系统的阻尼效果达到最优。

It induced gene technology, the activation of plant disease resistance genes, with strong absorption,good, long duration of field crops, fruit trees, vegetables, turf and ornamental plants on a variety of real, bacterial diseases, mycophenolatedisease, disease, anthracnose, Fusarium wilt, bacterial angular leaf spot, leaf spot and rot, soft rot, seedling damping-off, or damping-off with the treatment and eradication of the role of the effect of HIV disease are also significant.

它采用基因诱导技术，激活植物抗病基因，内吸性强，速效性好，持效期长，对大田作物、果树、蔬菜、草皮及观赏植物上的多种真、细菌病害，如霜霉病、疫病、炭疽病、枯萎病、细菌性角斑病、叶斑病黑腐病、软腐病、幼苗猝倒病或立枯病具有治疗和铲除作用，对病毒病效果也比较显著。

Field experiment showed that coating agent with uniconazole (No2 uniconazole seed-coating agent) could significantly defend cucumber seedlings agaist damping-off, inhibit vertical growth and strengthen in thickness of young seedlings. It could blossom early, significantly increase fruit numbers per plant and yields of early stage and total yield. After coating cauliflower seeds by No2 uniconazole seed-coating agent, the uniconazole coating did not affect emergence rate, reduced damping-off disease incidence, increased stem diameter and fresh weight of seedling underground parts.

大田栽培试验发现：烯效唑包衣能显著防控黄瓜苗期猝倒病，抑制瓜苗纵向生长和促进幼苗加粗，使植株开花提早，包衣后黄瓜单株结瓜数提高，前期产量和总产量均显著提高；烯效唑包衣花椰菜使其出苗时间略有延长，但对出苗率无明显影响，包衣后的幼苗猝倒病发病率显著降低，叶色明显加深，幼苗茎粗和地下部鲜重显著增加，包衣的植株现蕾期提早，花球单重显著增加且表现出一定的增产效应，但试验的两品种间存在一定的差异。

On soil fungi, Fusarium root shell mold, Rhizoctonia, Pythium, Miao-rot fungus, Corticiumpathogens have a significant effect on the damping-off,diseases, damping-off, Fusarium wilt, Verticillium, Sclerotinia, Colletotrichum, disease, dry rot, scab, Sclerotinia rot, seedling blight, stem blight, leaf blight, steep root, even the special effects for the continuous cropping obstacles.

对土壤真菌、镰刀菌、根壳菌、丝核菌、腐霉菌、苗腐菌、伏革菌等病原菌都有显著的防治效对立枯病、烂秧病、猝倒病、枯萎病、黄萎病、菌核病、炭疽病、疫病、干腐病、黑星病、菌核软腐病、苗枯病、茎枯病、叶枯病、沤根、连作重茬障碍有特效。

In order to overcome the difficulty in estimating the ripple component on dc-side capacitor reference voltage, the modified control algorithm is proposed by ignoring the ripple component. Furthermore, the relation between control performance and damping coefficient is researched. In addition, the reasons of voltage source converter inner-loop control overmodulation are also analyzed. Based on the relation between control performance and VSC inner-loop input saturation, damping coefficient is adjusted on-line by fuzzy logic reasoning so that the trade-off between control accuracy and limitation of VSC inner-loop control overmodulation is solved preferably.

由于在线计算直流电容指令电压波动量十分困难，在控制方法的执行中忽略波动量的影响，简化了控制方法的实现；此外，该方法还研究了所注入的阻尼大小对控制效果的影响以及APF内层控制过调制产生的原因，针对无源性控制律跟踪精度的要求与内层控制过调制限幅条件间的矛盾，通过构造模糊逻辑推理环节实现阻尼系数的在线调整，在满足内层控制限幅条件下确保跟踪精度和补偿效果。

A couple jerseys Went from the sunny state to Jersey, puffin hershey Let off, get off, or get spin off spit off, set off, spun off the chest off the roof -- a hundred and seventy-eight proof of boost Gangster Daz and Kurupt let loose This is it, short change dip wit us Who ride wit us I'm tired of this I'm tired of that I'm bout to bust, fool where's the strap G fo' flow for sho', bounce galo' Up and down stairs beats everywhere I go Calico excursions, different diversions Homicidal resurgance, swerve and see my homey on the corner chippin the curb and any busta get close enough we servin Homey don't get nervous Beware, Daz Kurupt fool beware Rippin it up fool so you better beware of my crew, dre'd and blued up, get chewed up You and your all crap crew get bruised up I'm the one you love to hate so give me mine and pay dues and now I'm livin the life of crime Switched up, hit em up, blast or get em up Forty-five, Tec nines blast or hit em up Aww yeah

一对夫妇球衣从阳光普照的国家泽西岛，海雀赫尔希放，下车，还是分拆吐痰时，抵销，分拆的胸部从屋顶- 100和78的证据提高大佬Daz和Kurupt让松这是它的短期变化浸机智我们谁坐我们的智慧我已经厌倦了这我已经厌倦了的我比赛以破灭，傻瓜在哪里带 G的重力'流翔'，跳出加洛卡'上下楼梯节拍我去世界各地卡利科游览，不同改道杀人抬头，突然转向，并看到我家在一个拐角上的遏制和chippin任何布斯塔亲近足够我们servin 家庭不要紧张小心，小心Daz Kurupt傻瓜 Rippin它傻瓜，以便更好地为您提防我国船员， dre'd和blued行动，取得了咀嚼您和您的所有垃圾得到撞伤了船员我是一个你所爱的仇恨，以便给我排雷并支付会费和现在我的生活中生存犯罪开关行动，打击时间了，爆炸或者时间了有45个，科技99.999爆炸或袭击时间了 Aww是参考一下

After the airdrop experiments of the system of the projectile and speed-down parachute, the balance velocity obtained from the optics apparatus on the ground、the balance spinning speed obtained from the gyroscope on the projectile and the image obtained from the infrared detector on the projectile are all used to simulate the six-dimension exterior trajectory of the projectile and identify the roll damping moment derivatives, and the identification can safely come to a conclusion that the absolute value of roll damping moment derivatives from the engineering calculation are on the low side.

对卷弧尾翼弹与减速伞系统进行空投试验，由地面光测系统给出平衡落速、弹上陀螺给出平衡转速、弹上红外探测器拍摄地面图像判断弹的姿态。通过六自由度弹道模拟，对弹滚转阻尼导数进行参数辨识，得到工程估算所得滚转阻尼导数绝对值偏小的结论。 5。对空投试验中出现弹姿态摆动现象，从受力分析及红外图像分析两个方面进行探讨，给出合理解释，并根据分析对弹外形进行修改，在后来的试验中收到很好的效果。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。