热表面      hot surface(5) hotmolding mica plate(0) hot-surface(1) hot surfaces(3)   hot surface      The first is that the automobile liquids are directly ignited by hot surface and the other one is that while contacting the hot surface the sufficient produced vapour of the automobile liquids is ignited by a spark nearby.      结果表明其火灾危险性主要分为两方面:一是液体接触热表面自发引燃,另一方面是液体泄漏后接触热表面挥发或者产生一定量的可燃蒸气和烟雾,并遇到车内电气的火花或者摩擦、静电火花而引燃。 短句来源      A HOT SURFACE IONIZATION DETECTOR      热表面电离探测计 短句来源      Ignition Capability of Friction Sparks and Hot Surface for Fire Risk      火灾中摩擦火花和热表面引燃能力的研究(英文) 短句来源      When analysis of breath sample gas is made using a general resi-dual gas mass spectrometer,a distortion in measurement of N_2 andCO_2 samples occured due to formation of CO and CO_2,which is cau-sed by the chemical reaction of the gases present at the filamentwith each other or with the materials on the hot surface of the emit-ter.      当使用一般的残气分析器进行呼吸样气分析时,由于CO 和CO_2气体的形成,在N_2和CO_2样品成份的测量上产生了失真。 测量失真是由于到达灯丝的被分析气体相互之间的或与发射体热表面材料之间的化学反应造成的。 短句来源      The calculation results indicate that the channel flow-field structure of the gas film-cooled flat plate with 45o ribs is relatively complicated. The surface average temperature of the flat plate is lower than that of the gas film-cooled flat plate without ribs. However, the cold and hot surface average heat exchange factor near the gas-film pore zone is higher than in the case when no ribs are provided.      计算结果表明,带45°肋的气膜冷却平板表面平均温度较无肋气膜冷却平板表面平均温度低,而近气膜孔区域冷、热表面平均换热系数较无肋时高,而且肋的存在对增大冷空气出流比有利。 短句来源   hot-surface      The research on fire hazard of hot-surface ignition of automobile liquids      汽车常用液体接触热表面火灾危险性的研究 短句来源   hot surfaces      A study on ignition of mechanical friction sparks and hot surfaces was carried out in an explosion vessel with a gringing wheel by using photograph and thermal couples.      用摄影和热点偶等方法在一个有磨削轮的容器中研究了机械摩擦火花和热表面的引燃能力。 短句来源      Besides fraition,impaction and hot surfaces from vibration, static electricity discharging can be a very important ignition source.      其引燃源除了机械振动产生的摩擦、冲击、热表面等因素以外 ,静电放电火花是一个重要原因 . 短句来源      inclined and vertical hot surfaces have similar thermal behavior whose heat fluxes have little impact on the height of thermocline, but only changes the temperature of upper part of the room.      倾斜和垂直的局部热表面表现出相同的热力行为 ,热流量的大小对温跃层高度无影响 ,只是改变上部区域空气的温度。 短句来源   “热表面”译为未确定词的双语例句      The best surface for heat transfer is P/H = 2.2, θ = 60° surface.      最佳的换热表面是P/H=2.2,θ=60°表面。 短句来源      Method and formulae for calculating the mean forced convection heat-transfer coefficient of the blade surface,as well as for the blade passage's bottom wall,are introduced.      介绍了汽轮机动叶片叶身平均对流换热表面传热系数和叶片流道下壁面对流换热表面传热系数的计算方法和计算公式。 短句来源      A method was studied for determining the ratio of 6 Li+, 7Li+ ion currents emitted from Li3PO4 as a material loaded by thermal surface ionization mass spec-trometry.      采用热表面电离质谱计,对以Li_3PO_4作为加载物的~6Li~+、~7Li~+锂离子流之比进行了测定。 短句来源      When measurement error reach 0.2℃, the computing error of conduction coefficient is only 3.36% and that of the covection coefficient is near 10%.      当测量误差达到0.2℃时,绝缘层导热系数的计算误差仅为3.36%,对流换热表面传热系数的计算误差也在10%左右。 短句来源      The urban thermal environment is dependent strongly on human activities,atmospheric condition and heat transmission etc,which make the urban thermal surface rather complex.      城市热环境是城市中建筑物的不断增加及人类活动、大气状况、地表热量传输等多种因素综合作用的结果,因此城市往往具有极为复杂的热表面。 短句来源 更多        查询“热表面”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   hot surface The temperature in the sample and the distance from the hot surface of the sample was strongly linearly correlated. 例句来源       The conditions of existence of vapor films on a hot surface and the characteristics of their collapse from the heating surface and transition to nucleate boiling are revealed, as well as the effects which accompany the vanishing of vapor film. 例句来源       The conditions of existence of vapor films on a hot surface and the characteristics of their collapse from the heating surface and transition to nucleate boiling are revealed, as well as the effects which accompany the vanishing of vapor film. 例句来源       The nano-coating could be sprayed directly onto the low carbon steel slab even though with hot surface as far as under 1000°C. 例句来源       Effect of orienting the hot surface with respect to the gravitational field on the critical nucleate boiling of a liquid 例句来源       更多             hot-surface Heat transfer in an unwetted zone in hot-surface cooling 例句来源       Hot-surface ignition of gases with allowance for diffusion and hydrodynamics 例句来源       Usually one wants to measure the thermal radiance emitted by a hot-surface at a wavelength as short as possible, since the uncertainty in the true temperature due to unknown emissivity decreases with decreasing wavelength. 例句来源         hot surfaces Calculations are performed of heat transfer by radiation under conditions of film boiling of water on hot surfaces of refractory metal and molten oxide. 例句来源       This could be attributed to the shorter time taken to reach the final temperature and the lack of hot surfaces in contact with the milk in the case of the microwave system. 例句来源       Jet impingement boiling is very efficient in cooling of hot surfaces as a part of the impinging liquid evaporates. 例句来源       Moreover, maximum heat transfer occurs at an Eckert number Ec ≈ 0.3, which is of great importance for the cooling of hot surfaces in a gas-flow. 例句来源       This paper presents the results of an experimental investigation, into the effect of water in diesel and kerosene emulsions, on the evaporation time of a single droplet, on hot surfaces (stainless-steel and aluminum). 例句来源       更多                    This paper presents the separation of boron in boron stainless steel tube ofdischarged fuel from fission product ~(60)Co and other elements,using methanol di-stillation method.The burnup of ~(10)B burnable poison was measured by thermionicsurface ionization method in CH_5 mass spectrometer.When the burnup level is80% or even greater,the relative standard deviation is better than 0.1%.             本文介绍了用甲醇蒸馏法将反应堆卸料硼钢管中的硼与裂变产物~(60)Co 及其他元素进行分离;用 CH_5质谱计、热表面电离法测定该硼钢管中可燃毒物~(10)B 的燃耗。燃耗深度在80%以上时,测定值的相对标准偏差小于0.1%。 文摘来源          A hot surface ionization detector is described in this paper. The hot surfaces in the detector are made of tungsten filaments and the ion collector is a tungsten wire grid around the hot filaments. To prevent alkali metal vapor from condensing on the wires, the tungsten wires are heated to 400℃. The insulator among 4 electrodes of the detector is inserted in a enclosed metal envelope. By means of a labyrinth packing, electric conducting layer can not form on the insulator. The detector has been applied to q...             本文描述的热表面电离探测计适用于碱金属蒸气流密度的快速测量。同时给出了探测计在超声速锂蒸气流靶中的实验结果。 文摘来源          A method of simultaneous determination of trace Sm, Gd and Eu in U3O8by isotope dilution mass spectrometry is studied. The quantity of sample is 1.5g U3O8, and 147Sm, 151Eu and 180Gd are used as spikes. Sm, Ga and Eu are separated from U by Dowex AG 508 cation resin and the residual U is removed on 201×7 anion resin. Then the ratios of 147Sm/ 148Sm, 151Eu/183Eu, 158Gd/190Gd are measured and the quantities of Sm, Gd and Eu in the sample are calculated. The detection limits (three times standard deviation of ...             本文以~(147)Sm、~(151)Eu和~(160)Gd作稀释剂,用热表面电离质谱同位素稀释法测定U_3O_8中痕量Sm、Gd和Eu。一次涂样在同一条样品灯丝上完成10~(-9)-10~(-10)克量级的三个元素测定。方法对Sm、Gd和Eu的检出限(空白值标准偏差的三倍)分别为2.76×10~(-10)g、1.41×10~(-9)g和8.70×10~(-10)g。用该法测定Sm、Gd、Eu的精密度分别为±9.1％、±25％和±5.1％。 文摘来源   << 更多相关文摘         相关查询: 表面热 表面热膜 热耗散表面 表面反应热 表面热负荷 热表面引燃 传导热表面 表面热稳定性 换热表面 表面换热 表面热沉 表面防热  对查询结果不满意

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