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环境温度

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34C02M8/LM8 Pinout: Short Circuit Current Output Current Transition Time Maximum Transmission Rate 1,000 RS-422 RECEIVER Common Mode Range Differential Input Differential Input Threshold-0.2 Input Voltage Hysteresis30 Input Resistance3 TTL Output Level V V2.4 Maximum Receiving Rate1,000 Short Circuit Output Current POWER REQUIREMENTS V =+12V, 10% V =+5V, 10% V =-12V, 10% ENVIRONMENTAL Operating Temperature -CS0 -MR-55 Storage Temperature-65

34C02M8/LM8引脚说明:短路电流输出电流过渡时期的最大传输速率1000的RS - 422接收器差分输入共模范围差分输入阈值0.2输入电压Hysteresis30输入Resistance3 TTL输出等级V 2.4版本的最大接收Rate1,000短路输出电流电源要求ν= 12五,10%的V =+5 V的,10%的V =- 12V的,10%,环境工作温度- CS0 -议员- 55存储温度- 65

By experiment it was found that the production of oxygen of Elodea nuttallii's telome through photosynthesis had curved correlation with the temperature and illumination, while negative linear correlation with pH.

本文研究了温度、pH值、光照三种环境因子对伊乐藻光合作用的影响,实验得出伊乐藻顶枝光合作用的产氧量与温度、光照呈曲线相关,与pH值呈线性负相关。

Zone is the range of enmironmental temperatures in which an endotherm has only to exert a minimum metabolic effort in order to maintain a constant body temperature.

热中性区是环境的温度范围,在这个温度范围内,内温动物仅使用一个最小的代谢率以维持恒定的体温。

The thermoneutral zone is the range of enmironmental temperatures in which an endotherm has only to exert a minimum metabolic effort in order to maintain a constant body temperature.

热中性区是环境的温度范围,在这个温度范围内,内温动物仅使用一个最小的代谢率以维持恒定的体温。

Until the instrument reaches equilibrium with ambient temperature the point of focus will change.

只有仪器的温度与环境的温度达到平衡之后,焦点才不会发生变化。

The effects of different temperature and initial gasses ratio in Si-rubberbag on celery storage were studied,quality parameters including weight loss rate,etiolation rate,decay rate,respiration rate,changes of the concentration of oxygen and carbon dioxide in Si-rubberbag,cell membrane permeability and coarse-fiber contents were mensurated.

研究了不同温度以及硅窗袋内不同初始气体浓度比例对芹菜贮藏效果的影响,测定了芹菜贮藏过程中失重率、黄化率、腐烂率、呼吸强度、袋内O2、CO2含量、细胞膜透性、粗纤维含量等指标的变化,结果表明:温度对芹菜贮藏效果影响显著,但15℃与5℃环境下芹菜贮藏效果相差不大。

By use of the Fischer-Tropsch reaction in a C-H-O system, we discussed the relationships between inorganic CO〓 and some physical chemistry conditions, such as Oxygen flee degree , temperature, pressure, other objects consistency and catalyzer. a when T=200K~2000K, if f〓>0, the reaction of generating CO〓 will be dominant, CH〓 hardily exists; b when T>1000K, CH〓 is not propitious to exist, carbon in system almost exists in form of CO〓; c the more pressure, the more CO〓 is propitious to exist; d the more consistency of CO, O〓 and H〓O, the more CO〓 is propitious to exist, the more consistency of H〓, the more CH〓 is propitious to exist.

依据C-H-O体系费托反应的简化模型,讨论了氧逸度、温度、压强、其它物质浓度、催化剂等物理化学条件对无机成因CO〓生成的影响,从理论上讨论了在地质环境中,无机成因CO〓存在的物理化学条件:1在T=200K~2000K的温度范围内,体系中一旦氧逸度>0,生成CO〓的反应将占绝对优势,CH〓几乎不可能存在;2T>1000K时,不利于CH〓形成,使体系中的碳主要以CO〓的形式存在;3体系压强越大,越有利于CO〓的形成;4反应物CO、O〓、H〓O的浓度越高,越有利与CO〓的存在,H〓的浓度高有利于CH〓的形成。5地质成藏作用可以经历很长的地质年代,这足以补偿矿物岩石中的Ni、Mo、Fe、Co、Ru等催化性能的降低及其它动力学条件的不足,使得费托反应可能发生,从而生成无机成因的CO〓和烃类。

Company Profile Beijing Xinyu win equipment limited liability company operating mainly in the production and domestic and international advanced testing equipment, instrumentation, and diagnostic tools, as well as introduce advanced test, measurement of new technology for operating purposes. A: electrical fire, building fire detection and public safety facilities, equipment detectors B: lightning protection, lightning protection device detection equipment, mine detection device safety box C: Fire Fire Safety Inspection and Testing equipment, and investigate the cause of the fire equipment, police station fire alarm Services and equipment D: fire inspection and fire investigation equipment boxes, fire investigation kits, fire detection equipment to determine the scene Product E: Fire Engineering Detect boxes, cartons Detect building fire service installations, fire detection electrical box F: Airport Fire fire inspection equipment, subway Fire Safety Detect Box G: boilers, pressure vessels and special equipment, elevator equipment Detect H: Victoria seized power telecommunications equipment boxes, mechanical state patrol boxes I: Detect safety boxes, traffic accident investigation boxes, property management Detected me J: Public environmental hygiene Detect boxes, boxes of food safety at the scene detection, occupational health care at the scene Detect boxes, cartons Detect Radiological Protection at the scene, the situation of sanitation and disinfection Detected me, health production supervisor at the scene seized me K: Ultrasonic leak detector, ultrasonic spectrum analyzer, ultrasonic full-function fault detection system L: fire using infra-red thermal imaging, infrared imaging system for industrial use, the security-type infra-red thermal imaging M: Energy Conservation Supervision and Testing Instruments instrument N: Private Product: 3 1/2- 8 1 / 2 handheld / desktop Digital Multimeter, cross-DC clamp level pressure ammeter, temperature gauges, tachometer, digital megohm table, grounding resistance tester, desktop multimeter, digital frequency meter smart, figure synthesis / function signal generator, desktop digital electric bridge, oscilloscopes, infrared thermometer, vibrometer, digital DC regulated power supply, 5 1 / 2 hand-held multi-function calibrator field process instrumentation. O: agent Products:, infrared thermometer, infrared, ultrasonic full-function fault leakage / discharge detection device, flammable / toxic gas detector, harmonic power quality analyzer, portable ultrasonic flowmeter, insulation / Ground Resistance Tester, temperature, current / voltage, the process of signal, thermal resistance / thermocouple, pressure, loop calibrator, such as electronics, telecommunications, electricity, petroleum chemical industry, safety inspection, steel smelting, public environmental protection, fire detection Secret rescue, fire detection equipment, special equipment testing, military field equipment dedicated monitoring equipment and tools.

公司简介北京新宇胜利仪器有限责任公司主要以生产和经营国际,国内先进的检测仪器仪表和设备诊断工具以及介绍先进的测试,测量新技术为经营宗旨。A:消防电气、建筑消防设施检测和公共安全侦检仪器设备B:防雷、避雷装置检测仪器设备、防雷装置安全检测箱C:消防防火监督检测装备、火灾原因调查装备、公安派出所消防警务装备D:防火检查与火灾勘查仪器箱、火灾勘查工具箱、消防产品现场判定检测仪器E:消防工程检测箱、建筑消防设施检测箱、消防电气检测箱F:机场消防防火检查仪器设备、地铁消防安全检测箱G:锅炉、压力容器和特种设备、电梯检测仪器H:电信电源维检仪器箱、机械状态巡检箱I:交通安全检测箱、交通事故勘查箱、物业管理检测箱J:公共卫生环境检测箱、食品安全现场检测箱、职业健康监护现场检测箱、放射防护现场检测箱、卫生消毒状况检测箱、健康品生产现场监检箱K:超声波泄漏检测仪、超声波频谱分析仪、超声波全功能故障检测系统L:消防用红外热像仪、工业用红外热像仪、本安型红外热像仪M:节能监督检测仪器仪表工具N :自有产品:3 1/2-8 1/2位手持/台式数字多用表,交、直流钳形高低、压电流表,温度仪表,转速表,数字兆欧表,接地电阻测试仪,台式多用表,数字智能频率计,数字合成/函数信号发生器,台式数字电桥,示波器,红外测温仪,测振仪,数字直流稳压电源,5 1/2位手持式多功能现场过程仪表校验仪。O:代理产品:,红外测温仪,红外热像仪,超声波全功能故障泄漏/放电侦测仪,可燃/有毒气体检测仪,电力质量谐波分析仪,便携式超声波流量计,绝缘/接地电阻测试仪,温度、电流/电压、过程信号、热电阻/热电偶、压力、回路校验仪等电子、通讯、电力、石油化工、安全检查、钢冶、公共环保、消防特勤侦检救援、消防检测设备、特种设备检测、军事领域的专用仪器监测设备与工具。

The experimental results showed that the developed system can lower down the temperature from 47℃ to 30℃ within 5.1min while the relative humidify was risen up from 15% to 70%.

模拟结果显示,当模拟环境的温度在47℃以上和湿度15%以下,系统采取第三段喷雾处理,并在5.1分钟内温度降至30℃及湿度提高至70%。

The results show that the atmosphere has a big influence on the thermal stability of C_(60).C_(60) begins to decompose at 423.5℃in the air,the deomposed peak temperature is 668.5℃,but very stable in the helium atmosphere,only sublimate,the crystal shape of C_(60) has a certain influence to its thermal stability.The synthesized nine kinds of nitro-fullerene derivatives all have good thermal stability and their decomposed peak temperatures all exceed 350℃.The thermal explosion temperature for 5 seconds delay of product 4 is 253℃.The category,number and position of nitryl group in nitro-fullerene derivatives all have influence on their thermal stability.

利用差热分析仪和DSC-TG综合热分析仪对C_(60)及其硝基衍生物的热稳定性进行了研究,结果表明,环境气氛对C_(60)热稳定性影响很大,C_(60)在空气中423.5℃开始分解,放热峰值温度为668.5℃,在氦气中很稳定,仅表现为升华,C_(60)的晶型对其热稳定性也有一定的影响;合成得到的九种硝基富勒烯衍生物都具有较好的热稳定性,分解峰值温度均高于350℃;产物4的5秒爆发点测试结果为253℃。

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

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