查询词典 low-temperature

We Investigated the species of diseases and insect pests, species of natural enemies, distribution and dominant species in export vegetable bases in Shandong Province. Dynamics of main diseases and insect pests were studied.2. We investigated the main control technologies for diseases and insect pests, types and application methods of pesticides.3. Effects of crop varieties, fertilities and cultivation on diseases and insect pests, production and pesticide residues were examined.4. Control effects and application technologies of frequency trembler grid lamps, greenhouse ozone machine and insect-proof net were tested.5. By research, seven biological preparations and twelve chemical pesticides with high activity, low toxicity and low residue were screened.

主要结果如下：1查清了山东省出口蔬菜基地蔬菜病虫害发生种类，天敌种类、分布、并评价上风种；探明了主要病虫发生消长规律。2查清了山东省出口蔬菜基地目前病虫害防治的主要应用技术、施药种类及主要施药方式。3明确了作物品种、肥力、栽培方式等农业措施对病虫发生、产量和农残的影响。4明确了频振式杀虫灯、温室病害臭氧防治机、防虫网等物理措施防治效果及其应用技术。5通过实验，筛选出7种生物制剂和12种安全有效低毒低残留化学农药品种。

Results Cardiac functions recover to grade Ⅰ in 25 cases,grade Ⅱ in 6 cases,postoperative low-grade reflux of mitral valve in 12 cases,low-grade reflux of tricuspid ...

结果25病人心功能恢复到I级，6例II级。12例病人术后二尖瓣轻度返流，4例三尖瓣轻度返流，1例二尖瓣中重度返流。

The low voltage breaker is composed of electric conducted system,extinguish-arc room, heat tripper and electric magnetism wink-moved mechanism.The functions of move mechanism directly impact the reliability of breaker's move. This topic is imported by using the exchange module of multibody dynamics simulation software automatic dynamic analysis of mechanical system,and then its movement was simulated by applying ADAMS,with the design and the optimization of DW16 Low-voltage breaker's ususal mechanical movement.

摘 要：低压断路器由导电系统、灭弧室、热脱扣器和电磁式瞬动机构组成，其中操动机构的性能直接关系断路器动作的可靠性，本课题利用Pro/E对操动机构进行三维实体造型，然后将利用多体动力学仿真软件ADAMS进行仿真，完成对DW16型低压断路器的常用操动机构的设计和优化。

Spoken Poetry article from the network of morphological characteristics, the causes of oral sex, and oral performance, the ultimate meaning and limitations of folk poetry and network position, low-poem "waist" to explain the two major aspects of the language require the trivialization of poetry Poetry and its network is now moving toward the development of a civil position of stability and low-poem "waist" of the boom.

文章从网络诗歌口语性形态特征、口语性的成因、及其口语化的表现、最终的意义与局限和网络诗歌的民间立场、低诗"下半身"走向两个大方面阐释出诗歌语言的庸常化及其现在网络诗歌的一种发展走向，民间立场的稳定和低诗"下半身"的热潮。

The MPC870CZT66 provides a high output voltage swing and low distortion required for low turns ratio ADSL upstream driver applications.

1第1页，本页显示记录1-11，共11条记录分1页显示该MPC870CZT66提供高输出电压摆幅，低失真低匝数比ADSL的上游驱动应用所需。

Since AirAsia introduced its low fare, no frills concept in December 2001, the airline now flies to over 48 destinations in Malaysia, Thailand, Indonesia, Macau, China, Philippines, Cambodia, Vietnam and Myanmar, formed 2 successful joint ventures in Thailand through Thai AirAsia, and Indonesia through Indonesia AirAsia, expanded its fleet from the original two to twenty eight, and revolutionized air travel in these country by offering incredibly low fares through its innovative sales channels.

自亚航2001年12月引入廉价、只提供基本服务的理念以来，航线已超过48条，包括马来群岛、泰国、印尼、澳门、中国、菲律宾、柬埔寨、越南和缅甸，并成立了泰国亚航公司和印尼亚航公司两家合资公司，其飞机机队规模由最初的2架发展为现在的28架。公司通过其创新的销售渠道以极其低廉的价格引发了这些国家空中运输的革命。

Twink - A low level character who has been made more powerful by higher level characters, usually by getting stronger armor and weapons than the character would normally have at such a low level

Twink－一个被高级别玩家强化的低级别玩家，通常是得到比普通的低级玩家更好的装甲和武器。

Styling / Convenience Engine Trim Black powder-coated with Wrinkle-Black treatment Exhaust System Chrome, staggered shorty duals Foot Supports and Controls Mid-mounted rider footpegs with brake and shift levers; standard passenger footpegs Handlebars Stainless steel, wide, dirt-track inspired Seat One-piece, two-up Sportster classic Instruments Electronic speedometer with odometer, time-of-day clock on odometer, dual resettable tripmeter, fuel gauge with low fuel warning light, low oil pressure indicator light, diagnostics readout, LED lights, tachometer Hazard Warning Integrated into turn signal controls Smart Security System Optional, next-generation hands-free security fob; operates based on proximity to vehicle

称呼/便利引擎修剪黑色粉末上漆与皱痕黑治疗排气系统镀铬物，摇摆的shorty 双倍脚支持和控制中间登上的车手footpegs 与闸和转移杠杆；标准乘客footpegs 把手不锈钢，宽，土轨道启发了位子单件， two-up Sportster 经典仪器电子车速表与测路器， time-of-day 时钟在测路器，双重resettable tripmeter，燃料测量仪以低燃料警告灯，低油压显示灯，诊断读出， LED 点燃，车头表危险警告集成轮信号控制聪明的保安系统任意，下一代没有雇工的安全fob；操作根据与车的接近度

Buck and Boost topology switching power conversion circuits as the core of this system, ultra low power MSP430F1222 microcontroller-based controller, microcontroller produced by the PWM pulse width modulation signals, respectively, two-way control switch voltage conversion circuit the turn-on and turn-off in order to achieve the above two kinds of topology switching power conversion circuit, and then to draw power from the flow of electrical energy has been filled into the rechargeable battery, and using microcontroller A / D input voltage implementation of the monitoring, according to the input voltage switching buck - circuit at a lower cost to achieve a highly efficient energy transfer, and the circuit is simple, the parameter to determine easy, self-low power consumption,to achieve full-featured.

本系统以Buck降压和Boost升压拓扑结构开关电源变换电路为核心，以超低功耗单片机MSP430F1222为主控器，由单片机产生PWM脉宽调制信号，分别控制两路电压变换电路中开关管的导通与关断从而实现以上两种拓扑结构开关电源变换电路，进而从一直流电源中吸取电能充入可充电电池，并利用单片机A/D对输入电压实施监测，根据输入电压切换升降压电路，以较低的成本实现了高效率的电能转移，并且电路简单、参数确定容易，自身功耗低，实现功能完整。

This paper presents a low voltage, low power RF/analog front-end circuit for passive ultra high frequency radio frequency identification tags.

提出了一种适用于无源超高频射频识别标签的低电压低功耗射频／模拟前端电路。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。