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However, operating of the high current, the output power, gain, and efficiency of gyro-TWT will be degraded where the absolute instability, gyrotron backward oscillation and reflective oscillation occur to cause mode competition. Stability issues comprise the key factors limiting the performance of the gyro-TWT.

对於高电流的影响，磁旋行波放大器将有可能引发绝对不稳定、磁旋返波振荡(gyrotron backward oscillation；gyro-BWO)及反射振荡，造成模式竞争而抑制原先操作模式的放大波，进而影响其输出功率、增益及效率。

However, operating of the high current, the output power, gain, and efficiency of gyro-TWT will be degraded where the absolute instability, gyrotron backward oscillation and reflective oscillation occur to cause mode competition. Stability issues comprise the key factors limiting the performance of the gyro-TWT, therefore physical origins of spontaneous oscillations in the gyro-TWT are analyzed and characterized.

然而受限於操作高电流，磁旋行波放大器可能引发绝对不稳定性、磁旋返波振荡(gyrotron backward oscillation；gyro-BWO)及反射振荡，造成模式竞争而抑制原先操作模式的放大波，进而影响其输出功率、增益及效率。

Suffice it to say that the unusually high boiling point of acetic acid.

只要谈一下醋酸的不寻常的高沸点就行。

Theoretical and experimental investigation on the evolution of the atomic system with gaussian velocity distribution in a laser plane wave, in which the theoretical predications is in good agrement with the experimental results.

3在理论上和实验上系统地研究了高斯速度分布原子系统在激光行波场中的演化过程及其和激光光强、失谐、作用时间等物理参量的关系。理论和实验结果基本一致。

The XM8008 estate vehicle the front windshield uses the great size landscape doubling glass the automobile body chamberpot the chair uses the integrated manufacture succinctly the modelling sprightly motor car chassis technology structure reliable durable; Uses the sign to match the 6V/19OAh battery the electrical machinery working efficiency is high continues the course 70-1OO kilometer the driving system establishment advance the back-draft two automatic files imports the controller stably reliable the driving convenience is easy to understand; The automobile sound may dispose the visor curtain or the transparent rain curtain all-weather uses.

8座电动观光车森博科技销售热线：611XM8008型楼盘车，前风挡采用大尺寸景观夹胶玻璃，车身坐桶、座椅采用一体化制作，造型简洁明快，汽车底盘技术，结构可靠耐用；采用标配6V/19OAh电池，电机工作效率高，续。。。XM8008型楼盘车，前风挡采用大尺寸景观夹胶玻璃，车身坐桶、座椅采用一体化制作，造型简洁明快，汽车底盘技术，结构可靠耐用；采用标配6V/19OAh电池，电机工作效率高，续行里程70-1OO公里，驱动系统设置前进，倒车两个自动档，进口控制器稳定可靠，驾驶方便易懂；汽车音响，可配置遮阳帘或者透明雨帘，全天侯使用。

300 Surplus ( Includes qigong, fanzeng, guangshangyue, likuchang,jinshanyi a lot of master works); Original creates oil painting 800 surplus; Withs fabricate factory, Equips with advanced mount machine 3, High volume production travels draw, Fresco, Boxes drawing, Carries on hotel, Unit waits for all sorts of order; High-quality 's seek, High-quality 's service, Becomes promote you career successful ambition cooperate partner.

300余幅（包括启功、范曾、关山月、李苦禅、靳尚谊等众多大师作品）；原创油画800余幅；设有制作工厂，配备先进装裱机3台，大量生产行画、壁画、画框，承接酒店、单位等各种订单；高质量的追求、高质量的服务，成为促您事业成功的理想合作伙伴。

The occurrence frequency of upflows increases with geomagnetic activity.

在400km高度以上，高速行离子流发生率随MLT的分布呈现出晨昏不对称性；平静时发生在黄昏扇区的频次较高，而扰动时则在凌晨扇区的发生率较高。

The compatibility of both Gvirens and B.firmus was researched. The fermentation filtrate of Gvirens , under the concentration of 70%, had not distinct inhibitory activity to B.firmus, the biomass of B.firmus would decrease with above the 70% filtrate of Gvirens, but the fermentation filtrate of B.firmus had not inhibitive role to Gvirens. 7, The cooperation control of both Gvirens and B.firm to the pine needle blight was explored:(1) Pathogen inoculation happened prior to the bio-control treatment for 7 days, however, the disease index and control effect had not distinct differences in any treatments even if combination of the two antagonists, but the susceptibility for different kind of pine were different.(2)when antagonist and pathogen were inoculated at the same time, some control effect to the pine needle blight, including certain extent cooperation control of both Gvirens and B.firm were proved, but it wasn't distinct when two antagonists used separately, and the change of the antagonist concentration had little effect to the control effect.

G.virens与B.firmus对松赤枯病的协同控制显示：(1)预先接种病菌后(7天)再进行生物防治处理，不管那种情况，感病指数和防治效果在处理间差异不明显，浓度影响无显著差异，即使是两种生防制剂联合作用也未显著提高其防效，但不同树种间的感病性有明显差异；(2)领抗菌与病原菌同时接种，对松赤枯病有一定防治效果，两菌联合有一定的协同作用，两菌分别单独施用防效差异不显著，浓度变化对防效影响不大；(3)预先接种颇抗菌能显著提高防治效果，两菌联合处理防效更优，感病树种的感病指数可降至13一15，抗病树种的感病指数可控制在3%左右；在同一浓度下B.f1'r功US、叹叮厂即s间无显著差异，在同一领抗菌下，浓度愈高，防效愈高：松，(4)三种生防接种方式的平均效果分析表明，叹F行ens最高平均防效49.5%黑 B。

As a result of a However, as a result of nuclear reactions (which might be caused by the bombardment of atoms by protons, neutrons or other light particles), nuclei can be produced in an excited or unstable condition in which one or a number of nucleons are raised to an excited state.

运 行过程中，二氧化铀芯块需要承受结构变化，主要是由于高的运行温度和高温度梯度造成的，同时也是长期受到辐照的结果。

PCI of octogenarians with ACS was effective with high procedure success rate and low in-hospital mortality and low MACCE during long-term follow up.

高龄ACS患者行PCI术手术操作成功率高，住院期间病死率和随访期间MACCE发生率较低，但患者病变重，并发症尤其是造影剂肾病发生率相对较高。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。