查询词典 high temperature
- 与 high temperature 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The shops sell professional-series of temperature control, high-temperature-series, electric products, the company is involved in: TDA series of temperature control instrumentation, TDW series of temperature control instrumentation, TEA series of temperature control instrumentation, XMT series of temperature control instrumentation, XMTA series of temperature control instrumentation , XMTD series of temperature control instruments, temperature control switches, temperature table, pressure gauge, double-metal thermometer, WRN thermocouple, WRE thermocouple, WRP thermocouple, WZP thermocouple, WRNK thermocouple, WREK thermocouple , WRCK thermocouple, WZPK thermocouple, sensors, Yahuang dual, dual screw, handheld digital thermometer, CU50 copper resistance, Pt100 ceramic platinum resistance, Pt100 stainless steel platinum resistance, Mica platinum resistance, high temperature wire, wire compensation , High temperature resistant fabrics, high temperature tape, yellow wax tube, since the income of resin, stainless steel tube of electric, electric carbon steel pipe tubes, electric heating of the brass, titanium tube electric tube, the single electric, electric water heaters use of, water, Pot use of electric heating, the sauna, explosion-proof electric heating pipe, iron core, Dianre Dai, box-type electric furnace, an electric stove, oven, the oven, melting furnace tin, nickel chromium resistance wire, iron wire chromium resistance, resistance zone, civilian Furnace wire, high-power industrial furnace silk, mica films, a variety of high temperature ceramic beads, ceramic pads, hairdryer batteries, electric furnace set, the furnace Church, outside the wire, stainless steel bolts, 2.60, 2.60, stainless steel bolts, stainless steel - Head bolt, the first half of stainless steel bolts, stainless steel pan head bolts, stainless steel expansion bolts, self-tapping stainless steel, stainless steel core pulling rivets, stainless steel jets hoop, stainless steel wire hoop, stainless steel plates, stainless steel bar, stainless steel flanges, stainless steel pipe, Stainless steel wire, a variety of metal hose bridge.
本门市部专业销售温控仪系列、高温线系列、电热系列产品,产品涉及:TDA系列温控仪表、TDW系列温控仪表、TEA系列温控仪表、XMT系列温控仪表、XMTA系列温控仪表、XMTD系列温控仪表、温控开关、水温表、压力表、双金属温度计、WRN热电偶、WRE热电偶、WRP热电偶、WZP热电偶、WRNK热电偶、WREK热电偶、WRCK热电偶、WZPK热电偶、传感器、压簧偶、螺钉偶、数显手持式温度计、CU50铜电阻、Pt100陶瓷铂电阻、Pt100不锈钢铂电阻、云母铂电阻,耐高温导线、补偿导线、耐高温布、耐高温胶带,黄腊管、树脂自息管、不锈钢管电热管、碳钢管电热管、铜管电热管、钛管电热管、单头电热管、热水器用电热管、电水壶用电热管、桑拿管、防爆电热管、电熨斗芯、电热带、箱式电炉、民用电炉、烘箱、烤箱、熔锡炉、镍铬电阻丝、铁铬电阻丝、电阻带、民用电炉丝、大功率工业电炉丝、云母片、各种规格的耐高温瓷珠、瓷垫片、吹风芯、电炉盘、炉堂、外丝管、不锈钢外六角螺栓、不锈钢内六角螺栓,不锈钢沉头螺栓、不锈钢半圆头螺栓、不锈钢盘头螺栓、不锈钢膨胀螺栓、不锈钢自攻丝、不锈钢抽芯铆钉、不锈钢喉箍、不锈钢钢丝箍、不锈钢板材、不锈钢棒材、不锈钢法兰、不锈钢管件、不锈钢丝、各种规格的金属软管、桥架。
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National free service hotline:400 880 2959 Salt Spray test chamber\ sulfur dioxide test chamber\ High temperature test chamber\ Low temperature test chamber\High and low temperature test chamber\ High and low temperature-humidity test chamber\ High and low temperature alternating temperature humidity test chamber\ Desktop constant temperature and humidity test chamber\ Constant temperature and humidity test chamber\ Precise drying test chamber\ Vacuum drying chamber\ High and low temperature shock test chamber\ Ultraviolet accelerated weatherometer\ Xeon lamp weather resistance test chamber\ Air ventilation climatic chamber\0zone climatic chamber\ Rustproof grease humidity test chamber\ Sand and dust test chamber\ Box rain test chamber\ Pipe rain test device\ Drip box\ Alternating mould test chamber\ Salt-mist corrosion laboratory\ Salt-mist corrosion laboratory\ Large high and low temperature stepping into laboratory\ Temperature aging room\ Vacuum UV aging test chamber\ Mechanical drop test bed\ Computer control vibrating table\ Temperature and humidity and vibrating combined testing machine\ Instantaneous temperature test chamber
全国免费服务热线:400 880 2959主营产品:盐雾腐蚀试验箱/二氧化硫试验箱/高温试验箱/低温试验箱/高低温试验箱/高低温湿热试验箱。/高低温交变湿热试验箱/台式恒温恒湿试验箱/恒温恒湿试验箱/精密干燥试验箱/真空干燥箱/高低温冲击试验箱/紫外光加速老化试验机/氙灯耐气候试验箱/换气式老化试验箱/臭氧老化试验箱/防锈油脂湿热试验箱/砂尘试验箱/箱式淋雨试验箱/摆管淋雨试验装置/滴水试验装置/霉菌交变试验箱/盐雾腐蚀试验室/大型高低温步入试验室/恒温恒湿试验室/盐雾恒温恒湿高温复合试验箱/温度老化室/真空紫外老化试验箱/机械式跌落试验台/电脑控制振动台/温湿度振动三综合试验机/温度快速变化试验箱
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It 's mainly used in steel tubes of high 's mainly used in steel tubes of high temperature superheaters with surface temperature temperature superheaters with surface temperature ≤625℃ and high ≤625℃ and high temperature reheaters with surface temperature temperature reheaters with surface temperature ≤650℃, and high ≤650℃, and high temperature headers and steam pipes with surface temperature temperature headers and steam pipes with surface temperature ≤600℃.
主要主要用于壁温≤625℃的高温过热器、壁温≤650℃的高温再热器钢管,以及壁温≤600℃的高温集箱温≤625℃的高温过热器、壁温≤650℃的高温再热器钢管,以及壁温≤600℃的高温集箱和蒸汽管道,国内外已逐步用该钢代替和蒸汽管道,国内外已逐步用该钢代替T22、F12、TP304L、TP347H等,但该钢焊接性能T22、F12、TP304L、TP347H等,但该钢焊接性能也比较差,容易产生焊接冷裂纹,所以同样要求有合适的预热温度和及时进行焊后回火处也比较差,容易产生焊接冷裂纹,所以同样要求有合适的预热温度和及时进行焊后回火处理。
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Liuzhou some synthetic oilName: Lithium Grease, molybdenum disulfide, high temperature grease, high temperature electrical fat, kiln cars fat, high-temperature extrusion fat, Jinniu grease, fat-specific aluminum alloy, high temperature high fat, high-temperatureanti-stick agent, high temperature chain oil, high and low temperature bearing grease, aviation fat, lowering device fat, thimble fat, very low-temperature extreme pressure grease, high-low temperature grease, piston ring seal fat, calcium complex, lithium complex, aluminum composite, the damping oil, urea-based grease, oil roller, plastic gear grease, dust, grease, toys, fat, fat gyro motors, conductive grease, thermal conductivity Silicone Grease, anti - irradiated lipid, dimethyl silicone oil, health-grade silicone, high vacuum silicone oil viscosity standard oil, instrument oil, top oil, optical silicone damping oil, bearing oil, watches oil, fuse oil, rust-proof resin, cathode electrophoresis fat, fat loose screws, wire rope surface fat, Ma core fat, anti-rust oil, insulating resin 73, from the type agent, release agent, insulation resins, sealants, insulating oil, high-phenyl silicone oil , photocopiers oil, pump oil, thread grease, gear grease, bit grease, allow water-based grease, gear lubricant spray, turbine vortex rod oil, gear oil, gear oil capacity waterborne, rail oil, Silicone Grease, oil pump, turbo molecular pump oil, synthetic compressor oil, refrigeration oil, heat-conducting oil, hydraulic oil, hydraulic oil temperature, anti-burning hydraulic oil, cycle oil, gear oil, transmission fluid, damping fluid, body Annex fat, fat joints, antifreeze, dedicated reducer fat, calcium-based resin, white resin specialty, food grease, Vaseline, cream-filled cables, the spread of oil, softening oil, white oil, knitting oil, split seed oil, spindle oil, sparks oil, diesel oil, quenching oil, forming oils,; Drawbead oil, cutting oil, aluminum rolling liquid, titanium cutting oil, oil tapping oil watchcase extrusion, die-casting pieces of cutting oils, stamping oils, shut up oil, Tensile oil, extreme pressure cutting oil, cutting oil, grinding oil, shaving arrow oil, volatile oil punching, multi-function processing oil, cable oil,; nut processing oil, cutting oil, platen oil, cleaning agents, micro-emulsified oil, copper and aluminum microemulsifying oil, emulsified oil, emulsified oil cooling, multi-effect emulsification oil, water-based tensile oil, synthetic water-based cutting fluid, copper wire drawing oils, extreme pressure emulsified oil, anti-rust Emulsified oil, rolling oil emulsion, thread cutting oil,; water-based cleaning agent, aqueous forming agents, mold release liquid aluminum alloy, magnesium alloy, such as mold release liquid.
特士龙部分合成油品名称:锂基脂、二硫化钼、高温润滑脂、高温电机脂、窑车脂、高温挤压脂、金牛油脂、铝合金专用脂、高温高速脂、高温丝扣防粘滑剂、高温链条油、高低温轴承脂、航空脂、降器脂、顶针脂、极低温极压脂、高低温脂、活塞环密封脂、复合钙、复合锂、复合铝、阻尼油、脲基脂、轧辊油、塑胶齿轮脂、防尘脂、玩具脂、陀螺马达脂、导电脂、导热硅脂、抗辐照脂、二甲基硅油、卫生级硅油、高真空硅油、粘度标准油、仪表油、陀螺油、光学硅油、阻尼油、轴承油、手表油、引信油、防锈脂、阴极电泳脂、螺丝松动脂、钢丝绳表面脂、麻芯脂、防锈油、绝缘脂73、离型剂、脱模剂、绝缘树脂、密封剂、绝缘油、高苯基硅油、复印机油、电泵油、螺纹脂、齿轮脂、钻头脂、容水性润滑脂、齿轮喷雾润滑剂、涡轮涡杆油、齿轮油、容水性齿轮油、导轨油、硅脂、真空泵油、涡轮分子泵油、合成压缩机油、冷冻机油、导热油、液压油、宽温液压油、抗燃液压油、循环油、排档油、传动液、减震液、车身附件脂、万向节脂、防冻液、减速机专用脂、钙基脂、白色特种脂、食品脂、凡士林、电缆填充膏、扩散油、软化油、白油、针织机油、绽子油、主轴油、火花机油、柴油机油、淬火油、成型油、拉延油、切削油、铝轧制液、钛合金切削油、表壳挤压油攻牙油、压铸件切削油、冲压油、收口油、拉伸油、极压切削油、精密切削油、研磨油、剃矢油、挥发冲剪油、多功能加工油、拉线油、螺帽加工油、快削油、压板油、清洗剂、微乳化油、铜铝微乳化油、乳化油、冷却乳化油、多效乳化油、水性拉伸油、合成水性切削液、铜拉丝油、极压乳化油、防锈乳化油、轧制乳化油、线切割油、水性清洗剂、水性成型剂、铝合金脱模液、镁合金脱模液等。
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It analyses the essential factors, structure, environment as well as functions of high-tech corporation system and compares the similarities and differences between high-tech corporation system and traditional corporation system; it analyses characteristics in each stage of high-tech corporation lifecycle as well as management roots which lead to the declination of high-tech corporation and researches into the similarities and differences between high-tech corporation lifecycle and other lifecycles, including traditional corporation lifecycle, industry lifecycle, product lifecycle and ecology lifecycle; it studies functional coupling in each stage of high-tech corporation lifecycle and puts forward ways to realize internal coupling of high-tech corporation system and external environment coupling; based on fundamental concepts of dissipative structure, it summarizes six inherent laws of system evolution and on the basis of those laws it advances six principles of high-tech corporation lifecycle management, it poses four sequential parameters of high-tech corporation system, analyses coordination and competition between them and then it advanced four principles of high-tech corporation management; it researches into various cycles in high-tech corporation and puts forward five measures of high-tech corporation management from the point of hypercycle theory; it studies the relations between carious innovation of high-tech corporation innovation system and sets up models of innovation motive forces and resistances, after that it analyses the alternation laws of innovation motive forces and resistances in each stage of high-tech corporation lifecycle, puts forward some measures to strengthen motive forces and lessen resistances and then from the angle of dissipative structure theory, it researches into relevant questions of high-tech corporation innovation management; it studies the location, identification, cultivation, cultivation and protection of high-tech corporation core competence and researches into the key elements of core competence management in each stage of lifecycle and then from the angle of synergetic, it discusses several questions of high-tech corporation core competence management; it studies seven common characteristics of successful high-tech corporation culture and puts forward the ways and measures to cultivate and innovate high-tech corporation culture after that it researches into the characteristics of corporation culture in each stage of lifecycle and discusses relevant questions of high-tech corporation culture management from the point of hypercycle theory; it studies interplay of high-tech corporation system and environment and researches into the development and management of high-tech corporation ecology system after that it analyses the construction and disintegration of high-tech corporation strategic alliance.
剖析了高新技术企业系统的要素、结构、环境与功能,比较了高新技术企业系统与一般企业系统的异同;剖析了高新技术企业在生命周期各阶段的特点及衰退的管理根源,探讨了高新技术企业生命周期与一般企业生命周期、产业生命周期,产品生命周期和生物生命周期的异同;研究了高新技术企业生命周期各阶段的功能耦合,提出了实现高新技术企业系统内部耦合及系统与外部环境耦合的途径;以耗散结构理论的基本概念为基础,总结归纳出系统演化的六大内在规律,据此提出了高新技术企业生命周期管理的六个原则;提出了高新技术企业系统的四个序参量,剖析了生命周期各阶段序参量的协同与竞争,进而提出了高新技术企业管理的四大原则;研究了高新技术企业中的各种循环,从超循环理论的角度提出了高新技术企业管理的五大措施;研究了高新技术企业创新系统中各种创新的关系,建立了创新动力和创新阻力模型,剖析了生命周期各阶段创新动力与阻力的变化规律,提出了增强创新动力与减小创新阻力的措施,从耗散结构理论的角度研究了高新技术企业创新管理的相关问题;研究了高新技术企业核心竞争力的定位、识别、培养及保护,剖析了生命周期各阶段核心竞争力管理的要点,从协同理论的角度研究了高新技术企业的核心竞争力管理的几个问题;剖析了成功的高新技术企业文化的七个共同特点,提出了培养和创新高新技术企业文化的途径及措施,研究了生命周期各阶段企业文化的特征,从超循环理论的角度探讨了高新技术企业文化管理的相关问题;研究了高新技术企业系统与环境的交互作用,探讨了高新技术企业生态系统的开拓与管理,剖析了高新技术企业战略联盟的组建与解体。
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Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.
分析了现有测试方法的优缺点,提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构,分析得到了推进剂传热的物理模型和数学模型,设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序,给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布,分析了温度场的分布规律和影响传热的主要因素,求出了推进剂质量加权平均温度和最大肉厚1/2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序,求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差,得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素,求出了推进剂质量加权平均温度和最大肉厚1/2处温度及两者之间的最大偏差与均方差,讨论并确定了能代表130和航90推进剂温度的特征点的位置。
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可为省内外客户办理运输;靠优质特价,我厂经销商和用户遍布全国各地;来电话即可告之最低价格;,超低价的优质产品种类:★专业生产:数千种色油漆,银粉漆,调合漆,醇酸油漆,硝基油漆,有机硅漆,丙烯酸漆,防锈漆,马路划线漆,耐热耐高温漆,工程用漆,快干油漆,白厚漆,铅油,过氯乙烯漆,环氧漆,聚氨酯漆,醇酸磁漆,沥青漆,过氯乙烯漆,环氧树脂漆,环氧有机硅高温漆,环氧煤沥青漆,环氧富锌底漆,有机硅高温防腐漆,亚光漆,无光漆,钢铁用漆,各色过氯乙烯防腐漆,速干银粉漆,快干银粉漆,银粉防锈磁漆,银浆防锈磁漆,银粉磁漆,银浆漆,铝银粉漆,铝银浆漆,铝粉漆,铝银浆,银粉,丙烯酸工程漆,丙烯酸机械漆,丙烯酸防腐漆,丙烯酸马路划线漆,快干防锈漆,带锈防锈漆,防锈底漆,黑防锈漆,白防锈漆,铁红防锈漆,中灰防锈漆,灰防锈漆,红丹防锈漆,底漆,面漆,磁漆,建筑工程用漆,钢铁工程用漆,地坪漆,路牙石标志漆,小区标志漆,小区划线漆,公路划线漆,硝基磁漆,硝基面漆,硝基底漆,硝基外用磁漆,硝基内用磁漆,硝基铁器漆,硝基木器漆,硝基清漆,耐高温银粉漆,耐高温防锈漆,有机硅耐高温漆,有机硅耐热漆,耐热耐高温油漆,钢结构漆,沥清漆,环氧煤沥清漆,环氧煤沥青防腐漆,醇酸调和油漆,醇酸调合油漆,醇酸快干油漆,醇酸磁漆,机械设备漆,玛钢漆,钢结构防火漆,钢结构防腐漆,过氯乙烯漆,环氧带锈防锈漆,,环氧地坪漆,丙烯酸漆,丙烯酸马路划线漆,快干马路划线漆,绝缘漆,自干绝缘漆,烟囱漆,烟囱防锈漆,烟囱防腐漆,油漆稀释剂,特种油漆稀释剂,本厂家价格低于其它厂1/2 ;数百种油漆质量第一,经久耐用,质优价廉,通过权威认证,质量全面达标,并提供产品说明书;一桶也可以最低价发货,一桶也可订做!
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Itanalyses the essential factors, structure, environment as well as functions of high-techcorporation system and compares the similarities and differences between high-tech corporationsystem and traditional corporation system; it analyses characteristics in each stage of-high-techcorporation lifecycle as well as management roots which lead to the declination of high-techcorporation and researches into the similarities and differences between high-tech corporationlifecycle and other lifecycles, including traditional corporation lifecycle, industry lifecycle,product lifecycle and ecology lifecycle; it studies functional coupling in each stage of high-techcorporation lifecycle and puts forward ways to realize internal coupling of high-tech corporationsystem and external environment coupling; based on fundamental concepts of dissipativestructure, it summarizes six inherent laws of system evolution and on the basis of those laws itadvances six principles of high-tech corporation lifecycle management; it poses four sequentialparameters of high-tech corporation system, analyses coordinfition and competition between themand then it advanced four principles of high-tech corporation management; it researches intovarious cycles in high-tech corporation and puts forward five measures of high-tech corporationmanagement from the point of hypercycle theory; it studies the relations between cariousinnovation of high-tech corporation innovation system and sets up models of innovation motiveforces and resistances, after that it analyses the alternation laws of innovation motive forces andresistances in each stage of high-tech corporation lifecycle, puts forward some measures tostrengthen motive forces and lessen resistances and then from the angle of dissipative structuretheory, it researches into relevant questions of high-tech corporation innovation management; itstudies the location, identification, cultivation, cultivation and protection of high-tech corporationcore competence and researches into the key elements of core competence management in eachstage of lifecycle and then from the angle of synergetic, it discusses several questions ofhigh-tech corporation core competence management; it studies seven common characteristics ofsuccessful high-tech corporation culture and puts forward the ways and measures to cultivate andinnovate high-tech corporation culture after that it researches into the characteristics ofcorporation culture in each stage of lifecycle and discusses relevant questions of high-techcorporation culture management from the point of hypercycle theory;' it studies interplay ofhigh-tech corporation system and environment and researches into the development andmanagement of high-tech corporation ecology system after that it analyses the construction anddisintegration of high4ech corporation strategic alliance.
剖析了高新技术企业系统的要素、结构、环境与功能,比较了高新技术企业系统与一般企业系统的异同;剖析了高新技术企业在生命周期各阶段的特点及衰退的管理根源,探讨了高新技术企业生命周期与一般企业生命周期、产业生命周期,产品生命周期和生物生命周期的异同;研究了高新技术企业生命周期各阶段的功能耦合,提出了实现高新技术企业系统内部耦合及系统与外部环境耦合的途径:以耗散结构理论的基本概念为基础,总结归纳出系统演化的六大内在规律,据此提出了高新技术企业生命周期管理的六个原则;提出了高新技术企业系统的四个序参量,剖析了生命周期各阶段序参量的协同与竞争,进而提出了高新技术企业管理的四大原则;研究了高新技术企业中的各种循环,从超循环理论的角度提出了高新技术企业管理的五大措施;研究了高新技术企业创新系统中各种创新的关系,建立了创新动力和创新阻力模型,剖析了生命周期各阶段创新动力与阻力的变化规律,提出了增强创新动力与减小创新阻力的措施,从耗散结构理论的角度研究了高新技术企业创新管理的相关问题;研究了高新技术企业核心竞争力的定位、识别、培养及保护,剖析了生命周期各阶段核心竞争力管理的要点,从协同理论的角度研究了高新技术企业的核心竞争力管理的几个问题;剖析了成功的高新技术企业文化的七个共同特点,提出了培养和创新高新技术企业文化的途径及措施,研究了生命周期各阶段企业文化的特征,从超循环理论的角度探讨了高新技术企业文化管理的相关问题;研究了高新技术企业系统与环境的交互作用,探讨了高新技术企业生态系统的开拓与管理,剖析了高新技术企业战略联盟的组建与解体。
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The invention discloses a double-temperature double-chamber light wave sterilizing cabinet, which comprises the following parts: box, low-temperature chamber and high-temperature chamber in the box and control device, wherein the upper baffle rack is set in the low-temperature chamber, one lower baffle rack is set in the high-temperature chamber, the screen and keyboard are set on the box, the low-temperature chamber possesses first door with drawer switch and the high-temperature chamber possesses second door with drawer switch, the knife and fork rack is set on the bottom of first door, whose extending direction is vertical the door, the rotary lamp rack of ultraviolet tube is set in the low-temperature chamber, the light wave generating device is set in the high-temperature to emit light wave.
一种双温双室光波消毒柜,包括一箱体、设置在箱体内的低温室和高温室、控制装置,该低温室中设有一上隔物架,该高温室中设有一下隔物架,在箱体的上部依次设有显示屏、按键;该低温室具有抽屉式开关的第一门体,该高温室具有抽屉式开关的第二门体;在第一门体的底部设有一拉伸方向与门体拉伸方向垂直的、可以从左右两侧拉出的刀叉架;在该低温室内设有一设置有紫外线灯管的旋转灯架,在该高温室内设有一用于发射光波的光波发生装置。本发明消毒柜,使用范围广泛,功能齐全,消毒效果好。
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In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.
本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。
- 相关中文对照歌词
- Temperature
- Higher Plane
- High
- Take My Temperature
- I Get High
- Stoner Girl
- Temperature
- High On Love
- Nothing To Fear (But Fear Itself)
- Check Yo Temperature
- 推荐网络例句
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There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.
那次早餐会期间,在表示过关心和寒暄以后,我们所有人坐了下来,我注意观察了一下,副总统切尼面无表情地吃着班尼迪克蛋(Eggs benedict,源自美国,以英式松饼、火腿、水煮蛋以及荷兰酱组合而成),卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机,我目睹了他所不为人知的一面。
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Talk Undelete failed; someone else may have undeleted the page first.
Talk 无法删除选定的页面或图像(它可能已经被其他人删除了)。
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When you leave a part of my life.
当你离开了,我只是希望你能幸福在以后的日子里。