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Factory mainly produces high-grade ceramic grinding head grinding wheel, diamond grinding head, diamond file, diamond grinding wheel, high-precision wool grinding head, fiber oilstone, flexible rubber grinding head, grinding head, such as elastic sponge.

本厂主要生产高档陶瓷砂轮磨头，金刚石磨头，金刚石锉刀，金刚石砂轮，高精羊毛磨头，纤维油石，弹性橡胶磨头，弹性海绵磨头等。

Head life expectancy is limited, and frequently will speed up the read-write head and head arm motor wear and tear and frequent disk read and write and even make the area a regional temperature, magnetic medium will affect the stability of the area will lead to read and write errors, due to high temperature will make the area of hot pockets of serious head and facial disc closer under normal circumstances head and disc surface only a few microns, have a closer?

磁头寿命是有限的，频繁的读写会加快磁头臂及磁头电机的磨损，频繁的读写磁盘某个区域更会使该区温度升高，将影响该区磁介质的稳定性还会导至读写错误，高温还会使该区因热膨涨而使磁头和碟面更近了（正常情况下磁头和碟面只有几个微米，更近还得了？

Methods:Fifty paired embalmed cadaveric humeri (twenty-five pairs:fourteen from male donors and eleven from female donors) were scanned in medial-lateral and anterior-posterior position according to the humeral retroversion by CT. Images of the humeri in the transverse planes at the lowest border of neck,20mm and 40mm distal of LBN(LBN-20、LBN-40), isthmus, head-neck anterior-posteriorwere obtained. Sixty-one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head-shaft angle, head to tuberosity height, head thickness, curvature radius, articular surface arc, neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including LBN, LBN-20,LBN-40 and isthmus.

50根成对防腐肱骨(男14对，女11对)按肱骨头扭转角置于冠状位和矢状位，行肱骨全长，头颈矢状面，解剖颈下缘及其下20mm、40mm，髓腔狭窄部四平面CT扫描，由CT软件测量冠、矢状位髓腔内外参数共61项，包括头心—干轴距，头位置，头干角，头—结节高度差，头厚度，头半径，关节面张角，解剖颈直径，髓腔狭窄部位置，解剖颈下缘及其下20mm、40mm和狭窄部四个平面髓腔的最大冠、矢状径，皮质骨厚度等。

I sericite company's current products are: dry ore 100 heads -325 Head, dry winds elected head -1250 Head 400, 400 wet water elected head -1250 head.

我公司目前的绢云母产品有：干法原矿100目—325目，干法风选400目—1250目，湿法水选400目—1250目。

The head is slowly turned 90° toward the side where nystagmus is induced less intensely. Then the head is rotated 180° rapidly toward the opposite side. This article reports three cases of the ageotropic form of HC-BPPV that were cured by rapid head rotation. The three cases demonstrated that rapid head rotation was an effective maneuver to treat cupulolithiasis on the utricle side. It is recommended that rapid head rotation can be used for therapeutic diagnosis: If nystagmus subsides immediately after this maneuver, the diagnosis is cupulolithias is on utricle side. If nystagmus changes into the geotropic form, the diagnosis is cupulolithiasis on canal side or canalolithiasis in the anterior arm of horizontal semicircular canal. A repositioning maneuver for geotropic form can then be applied to treat these patients.

逆地眼振型水平半规管良性阵发位置性眩晕的3种耳石可能位置如下：水平半规管前臂的管耳石、管侧的顶帽沉石(canal side cupulo-lithias1s)与囊侧的顶帽沉石，本文报告3例以快速转头治疗逆地眼振型水平半规管良性阵发位置性眩晕成功的病例，显示快速转头法对囊侧的顶帽沉石具迅速有效的治疗效果，对於逆地眼振型水平半规管良性阵发位置性眩晕的治疗，作者建议先以快速转头作治疗性诊断，若病人马上复原，诊断为囊侧的顶帽沉石；若眼振转为向地型，则诊断为水平半规管前臂的管耳石或管侧的顶帽沉石，进一步再以向地型的耳石复位法治疗病人。

Abstract］ objective to explore the occupational stress status in head nurse.methods sixty one head nurses completed the osi-r.results there was occupational stress in head nurse.there was significant difference of occupational stress among head nurse with different age,educational background,job title,time to hold a post.conclusion head nurse is matrical leader,who plays important role.each medical treatment organization should be as far as possible to reduce occupational stress and relieve the occupational stress,in order to protect their spirit and body health.

职业紧张或称职业应激、工作紧张，一般是指在某种职业条件下，客观需求与主观反应之间失衡而出现的生理变化和心理压力，以及由于不能满足需求而引起相应的功能性紊乱［1］。21世纪，临床护理工作面临着新的挑战和更大的压力。护士长作为医院管理中最基层的领导者和组织者之一，扮演着重要的角色，护理管理水平的高低直接影响到医院管理质量的优劣和医疗水平。因此，了解护士长职业紧张现状，积极提出预防对策，以提高护理管理水平。

Other cause can be vibrations of the print head letting small air bobbles inside the print head preventing the ink head of firing one ore more nozzles, also change of cartridges can let a little bit of air inside the ink system, in case of missing nozzles it will look like white line within the print, then push the pump bottom for a few seconds, please have a JetMaster tissue in front of the head when using the pump, otherwise you are facing ink all over your machine, the ink can spray more than one meter out of the print head using this function, so please use it carefully.

喷印头的振动释放的小茸球在喷印头中阻塞喷头的一个或多个喷嘴的射击，同时和的变化会使一点空气进入油墨系统，避免喷嘴的缺失。然而当喷嘴丢失时，喷印看起来像白线，这时推动操作泵底部数秒。请在顶端前有Jet Master棉纸时，使用操作泵，否则油墨会溅到机器上，可溅出喷印头1米多。因此，请谨慎使用。

Im out of my head, out of my head, out of my head getem out of my head, out of my head getem out enoughs enough...!

im 从我的头，从我的头，从我的头 getem 从我的头，从我的头在外的 getem 充足充足。。。！

The feed container moving on conveyor belt are feed into an in-feed star wheel, bringing the container below the sealing head in the subsequent indexing part, mean while the rotating head pickup a cap from the cap star wheel which is receiving from delivery chute of cap filling bowl, where the body and the neck of the container are positioned below the rotating head, where the sealing head is performing perfect operation of sealing, rotating head is design to seal container according to pre-set torque

经传送带送入的进料容器被送到一个横向进给的星轮处，然后把容器带到封口头下，与此同时旋转的封口头从盖子星形轮处拾起一个盖子（盖子是经过盖斗的输送斜槽而被送到盖子星轮处的）。容器体和及其颈部被置于旋转的封口头下，而封口头在此处进行完美的封口操作。旋转的封口头是根据预先设置的转矩，进行设计用于对容器进行密封的。

Empty hearts 2-6 rivets and solid rivets and small self-tapping screw m2-m3 and non-standard, half-empty heart rivets; flat head mid-air heart rivets; large flat head mid-air heart rivets; ping cone half-empty heart rivets; heart-empty head rivets; ping spherical Cross; semicircle Cross; and semi-head Cross; Shen Tau Cross; Pan Head Cross, enterprises attach importance to product quality.

半空心铆钉和实心铆钉2-6和小型螺丝自攻m2-m3及非标，半圆半空心铆钉；平头半空心铆钉；大扁头半空心铆钉；平锥半空心铆钉；沉头半空心铆钉；平球面十字；半圆十字；半沉头十字；沉头十字；盘头十字，企业重视产品质量。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。