全部评论(6条)
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- Syh1598 2012-12-05 00:00:00
- 应该拿去维修部
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- jinsihui0819 2012-12-05 00:00:00
- 请公司售后进行保养
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赞(10)
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- 小帅59108 2012-12-06 00:00:00
- 应该找厂家的专业人士进行检查保养,自己检查保养不全
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- mingzou_007 2012-12-05 00:00:00
- 这种设备尽量请专业技术人员来检查维修。
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- yajun74316 2012-12-05 00:00:00
- 请专业维修的来检查一下。
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- panbus0y 2012-12-05 00:00:00
- 目前国内干洗店设备维护与保养不同程度地存在着许多问题,甚至不安全因素。为减少事故发生,使设备运行在Z佳状态,提高工作效率,上海川岛洗涤设备提醒用户注意一下几点,仅供参考。 1.检查皮带张紧力时,用拇指垂直于两皮带轮切线的中点,按压皮带,皮带内陷15-20mm为正常。 2.定期清理蒸汽管和水管上安装的过滤器,检查疏水阀工作是否正常。 3.定期清理自动烘干控制器。 4.溶剂泵工作情况下不应将钮扣收集篮提起,防止异物进入管道卡住油泵叶轮。 5.锅炉上水泵如停机超过一周再投入工作,应先将电机风扇叶松后再启动,以防堵转,烧坏电机。 6.电热式干洗机、小锅炉冷却后压力表度数应为零,如大于零应将炉内压力排掉。 7.每半年打开空气道,将附着在冷、热盘管、风扇叶轮和气流通道内的纤毛彻底清理,以提高烘干效率,减少污物对机器的腐蚀。 8.洗衣房内所有蒸汽管道保温材料完好,定期更换蒸汽软管,以减少热能损失和防止烫伤。 9.将压力表压力控制器、安全阀送有关部门核检,不合格必须更换同规格配件后才能投入运行。
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热门问答
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- 谁能帮我翻译一下这段英文文献啊
- Fig. 1 shows that diamond particles are dispersed in the copper matrix. Since the diamond particles are easy to be stripped off during mechanical polishing, small pits are left on the surface of samples. When the samples were analyzed b... Fig. 1 shows that diamond particles are dispersed in the copper matrix. Since the diamond particles are easy to be stripped off during mechanical polishing, small pits are left on the surface of samples. When the samples were analyzed by electron probe for carbon, the particles displayed high carbon peaks, as shown in Fig. 2. Fig. 3 exhibits the analyzed result for extracted product of the copper–diamond composite by X-ray diffraction (XRD) analysis. It is shown that three dif- fraction peaks exist, shown as A, B and C, respectively. The interplanar distances corresponding to the three peaks and standard ones for diamond are compared in Table 1. The measured values of the interplanar distances are in good agreement with the standard ones, demon- strating that the extracted product should be the carbon in diamond state. Fig. 4(a) gives a TEM micrograph showing distribution and morphology of diamond particles (indicated as A, B, and C) in the copper–diamond composite. The calibration of interplanar distance for diffraction rings in Fig. 4(b) was given in Table 2. Compared to Table 1, it is also demon- strated that the calibrated interplanar distances for the diffraction rings conform to the standard ones of diamond. Therefore, it is believed that the graphitization of diamond particles hardly occurs after sintering at 1150–1220 K in the copper–diamond composite. Although diamond is a metastable allotropic modifica- tion of carbon, the graphitization of diamond particles in the copper–diamond composite did not occur, or the degree of graphitization was too small to be found. It is believed that the beginning temperature of graphi- tization would be associated with the purity of diamond powders. The impurities such as some metallic elements reduce the beginning temperature of diamond graphitiza- tion. When diamond is fabricated by the static synthesis method, Fe and Ni are often used as catalysts and are present in diamond as impurities to decrease the beginning temperature of graphitization [6]. It is understandable that both for the graphitization and its reverse reactions, their activation energies can be decreased by catalytic agents. Compared with the diamond fabricated by static synthesis, the diamond powders prepared by explosion method do not contain metallic impurities, thus leading to an obvious increase in the beginning temperature of graphitization. Hence, the detonation synthetic diamond might be more resistant to graphitization and probably suitable for the electric contact materials. 展开
2011-03-22 08:43:56
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- Z近皮肤感觉好干啊,该怎么保养啊,推荐下拉
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2007-10-13 14:30:57
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- 请翻译一下这段英文1,谢谢
- Materials For the present study, the matrix was ABS supplied by Formosa Co. The reinforcements were polyacrylonitrile based high strength CFs. The properties of materials used were given in Table 1. Carbon fibre surface treatment Carbon fi... Materials For the present study, the matrix was ABS supplied by Formosa Co. The reinforcements were polyacrylonitrile based high strength CFs. The properties of materials used were given in Table 1. Carbon fibre surface treatment Carbon fibres were oxidised by boiling in HNO3 under reflux for 5 h (T5120uC). Afterwards, the nitric acid oxidised fibres were washed with distilled water to neutral pH. Fibre surface composition The fibres were characterised by X-ray photoelectron spectroscopy (ESCA 300, Scienta, Sweden) to determine the level of functionalisation of the modified fibres. An initial survey scan was performed to determine the detectable elements, followed by high resolution scans. The entire X-ray photoelectron spectrum was energy referenced to the C1s peak of graphite (bending energy5284?5 eV). Composite preparation Before processing, ABS pellets and CFs were dried in a vacuum oven for 4 h at 80uC. Composites containing 0, 5, 10, 15, 20, 25 and 30 wt-% SCF were prepared by melt mixing in a co-rotating twin screw extruder (Thermoprism TSE 16 TC, L/D:24). The ABS pellets and CFs were fed from the main and side feeders respectively. The molten composite obtained from the die of the extruder was water cooled and pelletised. The extrusion conditions were arranged, as shown in Table 2. The viscosity of the melt containing CFs depends on the viscosity of the polymer matrix as well as the processing temperature. To avoid unfavourable shearing conditions, the melt temperature is kept as high as possible regarding thermal degradation. Before PA6 was blended to promote interfacial adhesion, vacuum drying of the ABS and PA6 pellets was carried out at 80uC for 4 and 12 h respectively. The 0, 10, 20 and 30 wt-% PA6 containing batches were fed through the main feeder to the twin screw extruder. The extrudate was water cooled and chopped into small pellets. The produced ABS/PA6 pellets were vacuum dried again at 80uC for 12 h. To prepare the SCF reinforced ABS/PA6 composites, the blend was introduced into the twin screw extruder from the main feeder, and SCFs were fed from the side feeder. The twin screw extruder was operated at the same processing conditions used during the blend preparation. The extrudate was again water cooled and chopped into small pellets. The extrusion grades of resin were used to make the extrudate form fully. The specimens for the mechanical characterisation experiments were moulded using a laboratory scale injection moulding machine (microinjector, model 1998; Daca Instruments) at a barrel temperature of 230uC and mould temperature of 80uC. The injection moulding machine used in this study was a laboratory type microinjector. The principle of the operation is that the preweighed (,2?5 g) raw material is loaded into the cylindrical barrel and allowed to melt at a preset barrel temperature for 1 min.Then the molten plastic is pushed through an injection tip by a piston. 展开
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