胎

Methods: The mesencephalon of rat with conceptus age of 13 days was taken out and dissociated into single cell suspension mechanically, and then cultured in serum-free medium. Fetal bovine serum was used to induce cell differentiation. The isolated cells and their progeny were observed by using immunofluorescence technique.

取孕14 d胎鼠大脑皮层，吸管吹打机械分离制成单细胞悬液，采用无血清培养和胎牛血清诱导分化，应用免疫荧光技术鉴定神经干细胞及其分化的子代细胞。

Measure tread depth with a gauge: New passenger-car tires start with about 10/32nds-inch tread, while SUV and truck tires vary from 11/32 to 15/32nds.

衡量胎面深度与衡量：新轿车轮胎开始与约10/32nds-inch胎面，而越野车和卡车轮胎不同11/32至

The matrix composites for diamond tools were tested with such modern testing instruments and equipments as DTA-7 differential thermal analyzer, JCXA-733 electronic probe and scanning electron microscope, JEM 2000 FX Ⅱ transmission electron microscope, eXL energy spectrometer, and humidity test instrument. The analysis, comparison, and induction of the testing results prove the enhancing effects of the rare earth on the matrix composites: degeneration, micro-alloying, purification, and catalytic activation. The comprehensive function of these effects leads to the decrease in the porosity of the matrix composites and to the increase in such actual indexes as the flexural strength, hardness, and impact ductility of the whole rare earth Fe-based diamond tool materials.

由DTA-7型差热分析仪、JCXA-733型电子探针及扫描电镜、JEM2000FXⅡ型透射电镜、eXL能谱仪以及莱茨2AP高温显微镜材料润湿性测试仪等现代测试仪器设备对金刚石工具材料进行了测试实验，对测试实验的结果进行了分析、比较和归纳，证实了稀土对胎体材料具有变性、微合金化、纯化和催化活化等四大强化作用机理，这些机理的综合作用导致了胎体材料孔隙率的降低和整个稀土Fe基金刚石工具材料抗弯强度、硬度及冲击韧性等实际使用性能的上升。

Primigravida with high float fetal head during labor is one of the signals to have dystocia.

结果 胎头高浮的发生率占头位分娩的16%，227例胎头高浮的初产妇仅15例顺产，其难产发生率为93.39%。

Shoulder dystocia, defined as failure of the shoulders to deliverfollowing the head, is an obstetric emergency.

肩难产是指胎头娩出后，胎肩无法随之娩出，为产科急症。

Shoulder dystocia, defined as failure of the shoulders to deliver following the head, is an obstetric emergency.

肩难产是指胎头娩出后，胎肩无法随之娩出，为产科急症。

Background— Fetuin-A is a multifunctional hepatic secretory protein that inhibits dystrophic vascular and valvular calcification.

背景---胎球蛋白A是具有多功能由肝脏分泌的蛋白质，它抑制了营养不良性血管和心瓣膜钙化的发生，较低的胎球蛋白A血清浓度和肾终末期疾病患者的心瓣膜钙化是相联系的。

By means of the self-designed equipment used for the interaction test of tread element with road surface, the contact behavior of tread element and the effects of the design parameters are studied for the first time in the domestic.

应用自行设计的胎面单元与路面相互作用试验装置，在国内首次研究了胎面单元的接地特性和设计参数对单元特性的影响，并以此对本文的数值研究结果作出验证。

The Wenzhou in the northern suburbs of the ceramics industry is quite well developed, of porcelain, xishanyao carelessabout elutriation gringing, raw materials and tread modified, Shan gubernacular bone hard, fine, fine exquisite restaurant is famous for its national evoluation.

温州北宋时期陶瓷业相当发达，市郊西山窑制瓷，讲究原料研磨、淘洗和胎面修饰，器物胎骨坚硬、细薄，以精致玲珑的造型闻名全国。

Load-carrying capacity of staging of should be calculate by special design,which is from common used single row or double rows falsework.

作为施工时的临时结构，计算方法应简便可靠的确定其承载能力同时保证经济合理。1胎架承载力计算分析1.1胎

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。