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It indicates the distinct element method simulation model of charging of bell-less top blast furnace may replace the model experiment that takes very long time, and spends a great amount of both manpower and material resources to research the law of charging of bell-less top. The distinct element method simulation is made for opening furnace charging of reality bell-less top blast furnace. The result of simulation is also very identical with that of measuring.

本文在高炉无钟炉顶实验模型上进行了单环和多环布料实验研究，同时运用离散单元法模拟模型对实验进行了数值模拟，得到的炉料分布和料面形状的实验结果与模拟结果相当吻合，这证明了离散单元法在高炉无钟炉顶布料中的应用是可行的，并且表明运用高炉无钟炉顶布料离散单元法模拟模型可以替代费时、费钱、费力的物理模型实验，进行无钟炉顶布料规律研究。

This disquisition is about the general situation of the stuff load and distribution equipment on the blast furnace bell-less top, and expatiate on the design characteristics and the problems of the vital equipment such as sealed valve, flow control valve and stuff distribution facility in the two advanced type bell-less top equipment (parallel hopper type and series hopper type) in the world.

本文介绍了高炉无料钟炉顶装料布料装置的概况，重点阐述了世界上最先进的两种无钟炉顶设备(并列料罐式无钟炉顶装料布料装置和串列料罐式无钟炉顶装料布料装置)中的密封阀、料流调节阀和布料器等关键设备的设计特点及问题探讨。

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环运行器把传统的、繁琐的、多触点元件组成的起动装置去掉，采用无刷无环运行，操作简单，安装拆卸方便，可大大减少维修费用，其优点是：去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件，并可保持电机原有的运行特性。

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环起动器把传统的、繁琐的、多触点元件组成的起动装置去掉，采用无刷无环运行，操作简单，安装拆卸方便，可大大减少维修费用，其优点是：去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件，并可保持电机原有的运行特性。

Type of guide Loading method Ball retainer Ball Cage LaCS is available Ball 4-way Equal Load Type Yes None None Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value Dedicated cap for the LM rail mounting hole None None 3.90 UU C6 Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plumbing fixture type Preload grade None Grease lubrication, oil...

导轨型号负荷方式防止滚珠脱落用保持器球保持器与LaCS配用滚珠 4方向等负荷型有无无可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片 LM轨道安装孔专用防尘盖无无 3.90 UU C6 可配用QZ润滑装置润滑方式润滑脂品牌螺纹接口、配管接头型式预压等级无脂润滑，油润滑，其它。。。

Based on nonliner dynamic simulation model of BLDCM.simulation model of speed and double close loops of current are built in adjusting speed system for BLDCM.Through simulation the performance of BLDCM is researched,in the way PI adjustors of speed and current adopted,fuzzy control used in speed loop and PI adjustor used in current loop,which prepares theory base for controller design of high quality BLDCM.

在直流无刷电机非线性动态仿真模型基础上建立了转速、电流双闭环直流无刷电机调速系统仿真模型，对转速、电流环均采用PI调节器及转速环采用模糊控制器、电流环采用PI调节器的直流无刷电机性能分别进行了仿真研究，为高性能直流无刷电机控制器设计提供了理论依据。

Analysis of the relation between serotonin and its receptor in OFC and stress depression(n=8):(1) Microinjection of 5-HT into OFC significantly shortened immobility time, dejections have no great changes; though locomotor、 grooming activitives have little increased, they have no significant difference; rearing scores greatly reduced;(2)microinjection of pCPA into OFC significantly prolong immobility time, dejections have no great changes; locomotor、rearing activities are greatly reduced, but have no significant effect on grooming activity receding;(3)compared with the effect of 5-HT alone, microinjection of spiperone combined with 5-HT into OFC, significantly prolong immobility time and greatly reduced dejections; locomotor、 rearing、 grooming activities are all reduced, but have no significant differences.

眶额叶区5-羟色胺(5-hydroxytryptamine，5-HT)及其受体与应激性抑郁症的关系(n=8)：(1)注射5-HT后，大鼠FST不动时间明显降低(P＜0.05)，粪便数量变化不显著(p＞0.05)，OFT水平运动、修饰得分虽均有升高，但无显著性差异(P＞0.05)，垂直活动显著降低(P＜0.05)；(2)注射色氨酸羟化酶抑制剂-对氯苯丙氨酸后，FST不动时间明显增加(P＜0.01)，粪便数量无显著性变化(p＞0.05)，OFT水平、垂直运动显著减少(P＜0.05)，修饰降低但无显著差异(P＞0.05)；(3)与5-HT组比较，先注射5-HT_(1A)受体拮抗剂后再注射5-HT，FST中的不动时间明显增加(P＜0.01)，粪便数量显著减少(p＜0.01)，但OFT水平、垂直、修饰活动均有所减少，却无显著性差异(P＞0.05)。

Shadowless sword manual is the Massachusetts Institute of Technology successfully developed the world's most advanced technology, a high-pressure injection technology, at 0.01 seconds of time to quickly solve a variety of symptoms of aging nano trace elements, in order to fog-state in the form of fixed-point, quantitative, fixed layer, positioning, in order to fan-shaped form of the direct, accurate tire reaches the skin layer, 20-minute onset, 2 hours effective, and 48 hours markedly effective, non-invasive no side effects, can wipe out wrinkles, Sichuan word pattern, raised eyebrow, raised his eyes, his eyes cured pattern, eyes with a black eye, heal nasolabial fold, modified nose shape, face-lift, facial upgrade, double chin, carved facial contours, 7 days to eliminate fat, slim build remodeling , no recovery of cotton contour sculpture mm accuracy can be controlled, not only to solve the aging problem, had a beautiful face can be more delicate to maintain years.

无影刀说明书是美国麻省理工大学研制成功目前世界上最先进的技术，一种利用高压喷射技术，在0.01秒的时间内快速将能解决各种不同衰老症状的纳米微量元素，以雾态的形式定点、定量、定层、定位，以扇状的形直接、准确的到达皮肤中胎层，20分钟起效，2小时见效，48小时显效，无创无副作用，可祛除皱纹、川字纹、提眉、提眼角、祛眼角纹、眼带、黑眼圈、平复鼻唇沟、修饰鼻形、瘦脸、面部提升、双下巴、精雕面部轮廓，7天之内消除脂肪，重塑苗条身材，无恢复期，对棉布轮廓雕塑精准度可控制的毫米之间，不光是解决了衰老问题，可使原本漂亮的脸更加精致，维持之久。

Shadowless sword manual is the Massachusetts Institute of Technology successfully developed the world's most advanced technology, a high-pressure injection technology, at 0.01 seconds of time to quickly solve a variety of symptoms of aging nano trace elements, in order to fog-state in the form of fixed-point, quantitative, fixed layer, positioning, in order to fan-shaped form of the direct, accurate tire reaches the skin layer, 20-minute onset, 2 hours effective, and 48 hours markedly effective, non-invasive no side effects, can wipe out wrinkles, Sichuan word pattern, raised eyebrow, raised his eyes, his eyes cured pattern, eyes with a black eye, heal nasolabial fold, modified nose shape, face-lift, facial upgrade, double chin, carved facial contours, 7 days to eliminate fat, slim build remodeling , no recovery of cotton contour sculpture mm accuracy can be controlled, not only to solve the aging problem, had a beautiful face can be more delicate to maintain years.

去 美容美发保健品 IM互动商圈，与商家群聊发现更多商机。共有24条同类&美体器材&信息，请通过分页查看 12 3 4 5 无影刀说明书是美国麻省理工大学研制成功目前世界上最先进的技术，一种利用高压喷射技术，在0.01秒的时间内快速将能解决各种不同衰老症状的纳米微量元素，以雾态的形式定点、定量、定层、定位，以扇状的形直接、准确的到达皮肤中胎层，20分钟起效，2小时见效，48小时显效，无创无副作用，可祛除皱纹、川字纹、提眉、提眼角、祛眼角纹、眼带、黑眼圈、平复鼻唇沟、修饰鼻形、瘦脸、面部提升、双下巴、精雕面部轮廓，7天之内消除脂肪，重塑苗条身材，无恢复期，对棉布轮廓雕塑精准度可控制的毫米之间，不光是解决了衰老问题，可使原本漂亮的脸更加精致，维持之久。

Choose materials include the fuse block which content MgO within 5%~30%, magnesium material and other glaze material.

阐述了镁质无光釉配料的改进方案，用含5%～30%MgO的熔块与镁质原料和其他釉原料配料，制备无光釉可获得饰面状态良好、无针孔缺陷的无光釉面。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。