查询词典 stem

The thrust compensator consists of a spring loaded stem nut that will absorb any expansion or contraction caused by temperature fluctuations without affecting the position of the closed valve stem.

这个推力补偿器有一个弹簧支撑的阀杆螺母，可以来吸收因为温度波动造成的收缩和膨胀，而不影响阀门的关闭位置。

The Plant tissue raise is the plant sterile culture technology, has the totipotency theory according to the vegetable cell, the use plant body exsomatize organ (for example root, stem, leaf, stem point, flower, fruit and so on), the organization (for example cambium, epidermis, cerebral cortex, marrow department cell, endosperm and so on) or the cell (for example big spore, small spore, somatic cell and so on) as well as the protoplast, in aseptic and suitable artificial culture medium and illumination, temperature and so on under artificial condition, can induce injuries the organization, not to decide the bud, the adventitious root, finally forms the complete adult plant the discipline.

植物组织培养即植物无菌培养技术，是根据植物细胞具有全能性的理论，利用植物体离体的器官(如根、茎、叶、茎尖、花、果实等)、组织（如形成层、表皮、皮层、髓部细胞、胚乳等）或细胞（如大孢子、小孢子、体细胞等）以及原生质体，在无菌和适宜的人工培养基及光照、温度等人工条件下，能诱导出愈伤组织、不定芽、不定根，最后形成完整的植株的学科。

A doctor in Spain once took stem cell from paralysis patient's deep bridge of nose and then transplanted to the broken place of his spine. The stem cell is helpful in connecting the broken nerve and recover a part function of spine.

西班牙有一位医师，他在瘫痪病人上鼻梁深处取得之干细胞，移植到病人的脊椎断裂处后，有连接断裂神经，使其恢复部分功能的效果。

A doctor in Spain once took stem cell from paralysis patient's deep bridge of nose and then transplanted to the broken place of his spine. The stem cell is helpful in connecting the broken nerve and recovering a part function of spine.

西班牙有一位医师，他在瘫痪病人上鼻梁深处取得之干细胞，将之移植到病人的脊椎断裂处后，有连接断裂神经，使其恢复部分功能的效果。

Which the lower stem or spindle connects to the upper stem via a slip joint.

下阀杆或轴通过伸缩接头同上阀杆连接在一起。

Silver grass is weakly acidic, pH value is between 5.53 and 6.49, alkali buffer capacity is between 0.89ml and 3.31ml and acid buffer capacity is between 11.52ml and 17.38ml; To the wet ability of silver grass, the under-parts of stem are better than upsides, the inner surface of stem is better than surface, the wet ability of leaf is between surface and inner surface; compare with wood and wheat straw, the wet ability of silver grass is worse than that of wood but better than that of wheat straw.

荻草的化学成分主要是由纤维素、半纤维素、和木质素以及抽提物组成，在不同部位，各个化学成分的含量也不相同；荻草呈弱酸性，pH值在5.53～6.49之间，荻草的碱缓冲容量在0.89ml～3.31ml之间，酸缓冲容量在11.52ml～17.38ml之间；荻草茎秆下部的润湿性好于上部，荻草茎秆内表面的润湿性要好于外表面，荻草叶子的润湿性介于内外表面之间，与木材相比，荻草的润湿性不如木材，但要好于麦草；荻草茎秆下部的纵向抗拉强度要高于其上部，热处理15分钟后，茎秆下部的强度有所下降，茎秆上部有所提高，并没有表现出水热处理后荻草单元强度突然骤降的结果

Cast bronze body and end pieces, blowout proof silicon bronze stem are standard. 316 Stainless Ball and Stem are optional (66 trim).

标准配置是铸青铜阀体和连接端口，防吹出硅青铜阀杆。316不锈钢球体和阀杆是选配件(66阀内件)。

Cast bronze body and end piece, blowout proof silicon bronze stem or 316 stainless steel ball and stem are optional(66 Trim) NPT threaded ends are standard.

铸青铜阀体和连接端口，防吹出硅青铜阀杆或316不锈钢球体和阀杆为选配件（66阀内件）。标准配置是NPT连接端口。

QB Series Knife Gate Valve absorb the advantages of technology and structure both at home and aboard to exclude other knife gate valves' shortcomings when using . This knife gate valve is made up withe body 、disc、stem、stem nut、sealing ring and operation parts.

QB型系列刀闸阀吸取了国内外先进技术和结构优点，排除了其他厂家所产刀闸阀在使用中存在的问题，此阀门主要由阀体、闸板、阀杆、阀杆螺母、密封圈、操作件组成。

3 Open the regulator and the nozzle ring ring screw fixation screws; 1.3.4 release and remove the valve cover nut; 1.3.5 screw bolts with rings at the stem, from the valve assembly of the upper part of the body perpendicular to bring devices; when the upper part of unit from the valve body will be raised when the stem or any part not allowed to have any sway movements, any shaking could damage to the valve seat.

1.3.3 拆开调节环固定螺丝和喷咀环固定螺丝； 1.3.4 松开并拆下阀盖螺母； 1.3.5 用吊环螺栓拧在阀杆上，从阀体内垂直提起组装的上部装置；当从阀体内将上部装置提出来时，不允许阀杆或任何部件有任何的摇摆动作，任何摇动都可能损坏阀座。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。