Determination of Metallographic Cooling Rate of Meteorites and Study of Thermal History of Their Parent Bodies
Fundamental Study of a New Cooling Technique Based on Thermally Driven Theory
Research on Insulation and Heat-transfer System of Stator in Evaporative Cooling Horizontal Electrical Machine
Simulation and Study on the Effect of Pipe Cooling for Concrete Dam
混凝土坝 冷却水管 冷却效果仿真计算研究
Experiment and Simulation of System Combining Displacement Ventilation with Cooling Ceiling with High Long Wave Transimitance Film
It is found that the sample is cooled from ambient temperature(300 K) to 275.7 K,267.4 K and 259.1 K when the incident laser power are 3 W,4 W and 5 W respectively.
结果表明,入射激光功率分别为3 W、4 W5、W时,样品可以分别从室温(300 K)被 冷却到275.7 K、267.4 K、259.1 K。
The scale composition is strongly influenced by cooling condition: the ratio Fe_2O_3: Fe_3O_4: FeO in scale on as hot coiled strip is 6.8: 33.4: 59.8. However the scale on cooled coil consists mainly of magnetite, and there is no FeO, the ratio Fe_2O_3: Fe_3O_4 is 3.6: 96.4, and.
The Microstructure and Wear Resistance of HMn59-2-1-0.5 Influenced by Various Cooled Techniques
ROTATIONAL ANALYSES OF LASER INDUCED FLUORESCENCE EXCITATION SPECTRA OF THE SUPERSONIC JET COOLED SO 2( 1A 2? ? 1A 1) SYSTEM
The Yun-mengshan granite of the west Yanshan Mountains intruded in about 143 Ma and cooled fast in 106 - 103. 95 Ma and 20-0. 0 Ma at the rate of 31. 80℃/Ma and 4. 45℃/Ma, corresponding to rapid uplift at the rate of 1. 06 mm/a and 0. 15 mm/a respectively.
A proposal for RVA procedure of sweet potato samples is: at least 1 min at 50℃, heat to 95℃ for 4 min, hold at 95℃ for 5. 5 min, cool to 50℃ for 4 min, and hold at 50℃ for 4 min.
而且随着终结温度降低，最终粘度表现递增。 建议甘薯样品的RVA分析程序为：50℃保持1min，4min内加热至95℃，95℃保温5.5min，同样4min内 冷却至50℃，并最终在50℃保持4min。
The Effects of Microelements on the Critical Annealing Cool Speed of Al-7. 5 Mg-0. 5 Mn Alloy
A proposal for RVA procedure ofsweet potato samples is: to hold at least 1min at 50℃, to heat to 95℃ for 4min, to hold at 95℃ for 5.5min, to cool to 50℃ for4min, and to hold at 50℃ for 4min.
而且随着结束温度降低,最终粘度表现递增。 建议甘薯样品的RVA分析程序为:50℃保持1min,4min内加热至95℃,95℃保温5.5min,同样4min内 冷却至50℃,并最终在50℃保持4min。
Studied the casting technology of 2A70 aluminium alloy quadrate ingot in melt purity,cast temperature,cast speed and cool speed etc,and determined the casting technotogy parameters of 2A70 aluminium alloy quadrate ingot.
The first,the dehydrolysis of polyether was carried out at 94 kPa and 120 ℃～130 ℃,the TDI was added when cool to 40 ℃ and then reacted for 2.0 h ～ 2.5 h at 80 ℃～85 ℃, the urethane prepolymer containg NCO 4%～5% was obtained,namely A composition.
第一步 ,在 94kPa ,12 0℃～ 130℃条件下对聚醚进行脱水处理 , 冷却至 40℃时加入TDI,在 80℃～ 85℃条件下反应 2 0h～ 2 .5h ,制得 NCO含量为 4%～ 5 %的聚氨酯预聚体 ,即甲组份。
The(results) showed that for the conventional chilling method,T_(45min) was correlated(p<0.01) with pH_(45min)(-0.37),L~*((0.45)) and color score((-0.39)) and color score was most significantly correlated(p<(0.01)) with(L~*(-0.80));
结果表明,常规 冷却工艺 冷却猪肉的T45m in与pH45m in、L*、肉色分值呈极显著性相关(p<0.01),相关系数分别为-0.37,0.45,-0.39; L*与肉色分值呈最大的负相关,相关系数达-0.80;
Effects of Vibrating the Chilling Path on the Solidifying Microstructure of Sn-15%Pb Alloy
At 0d and 3d,sarcomere length of delaying chilling treatment is longer than sarcomere longth of conventional chilling significantly (P<0.05),but the significance disappeared at 7d,10d.
延迟 冷却组在预冷24h和3d时的肌节长度明显大于对照组(P<0.05),因而延迟 冷却处理同样有利于牛肉嫩度的改善并能加快牛肉的成熟,到成熟7d、10d时与对照组肌节长度相比无明显差异(P>0.05);
HACCP and the Processing Technology on Chilling Meat
The results showed that delay chilling had significant effect on pH and temperature decline(P<0.05).
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Compound 3 exhibited the enchased texture of a smectic liquid crystal from 209.4°C to 219.5°C on heating, while 2 exhibited a liquid crystalline phase from 87.4 to 83.2°C on cooling.
The model adopted two exponential equations to calculate the martensite fractions for cooling and heating, respectively.
In this paper, the technical method of cooling quench medium with air-cooler in the process of bearing quenching is introduced.
In the application of knife-edge technique, the temperature of atoms through laser cooling was measured.
Results indicate that, after atoms are emitted from an atomic oven, the longer the atoms move, the worse the distribution of the atomic beam shows, regardless the laser cooling is taken or not.
Studies on advanced water- cooled reactors beyond generation III for power generation
The paper discusses some main criteria for the selection of future water- cooled reactors by considering the specific Chinese situation.
Based on the suggested selection criteria, two new types of water- cooled reactors are recommended for future Chinese nuclear power generation.
The supercritical water- cooled reactor has favorable features in economics, sustainability and technology availability.
A new supercritical water- cooled reactor (SCWR) core structure (the mixed reactor core) and a new fuel assembly design (two-rows FA) are proposed.
The climate changed from moderate-dry to cool-wet, and then to warm-wet in turn, and the lake level rose accordingly, showing the characteristic of a high lake level.
Investigation of the Effect of Electric Field on the Characteristics of Heat Transfer in a Combustion Chamber with a Porous Cool
A device is described that allows one to cool the sensitive element of a vacuum photoemissive device to the liquid-nitrogen temperature, thus improving the device resolution.
To cool it below room temperature, the unit uses thermoelectric converters based on the Peltier effect.
The refrigerators are designed to cool photodetectors or samples in experiments that do not require a high refrigerating capacity.
The development rate of embryos reconstructed with skin fibroblasts of different passage number and somatic cells of different chilling durations showed no significant difference.
Mechanical damage of the cuticle, treatment with deltamethrin, and chilling of the caterpillars induced similar changes in the hemolymph pattern of esterase activity.
The involvement of acyl-lipid Δ9-desaturase in the development of chilling tolerance of sensitive plants
Nanocrystalline Iron Particles Synthesized without Chilling by Chemical Vapor Condensation
Iron nanoparticles were synthesized without a chilling device in a condensation system of gases vaporized from iron pentacarbonyls as starting precursors.