DKK1 was initially identified as an inducer of head formation in Xenopus embryos (7) and plays an important role in the regulation of bone mass (8-10).
DKK1最开始被确定为蟾蜍胚胎头部形成诱导因子[7]。对骨骼质量调节有重要作用[8 - 10]。
This paper introduces the disk projection formation and its burnishing technique, the discussion centres on the design static characteristics for burnishing head and its experimental research.
阐述了磁盘高点的形成及其铲刮技术，并着重论述了铲刮头的静特性设计和实验研究。
When monitoring formation pressure by read-out electronic gauge, it is a technical problem to settle that the sealing condition of signal line at well head is not good.
在用直读式电子压力计监测地层压力时，信号电缆线在井口的密封不良，一直是个难以解决的技术问题。
This paper considers that formation, borehole and well head constitute a connective system restricting and influencing each other.
本文将地层、井筒、井口考虑成一个相互制约，相互影响的连通体系。
The main reason of leakage in cylinder block and head was analyzed, and the formation mechanism and influencing factor of shrinkage was revealed.
分析了目前发动机缸体、缸盖渗漏缺陷的主要原因，缩松的形成及影响因素。
A method of manufacturing a thermal print head includes a conductor layer formation step, a first measurement step, a conductor layer splitting step and a second measurement step.
热敏打印头的制造方法，包括导电体膜形成工序、第一测定工序、导电体膜分割工序和第二测定工序。
At the same time, the modeled head ship experts and decision-makers group achieve to the central control and hierarchical management of ship formation electromagnetic spectrum.
设立旗舰专家决策智能体群，实现舰船编队电磁频谱的集中控制与分级管理。
In such conditions a shear head wave is generated, so that standard techniques based on monopole transducers can be used to measure formation shear velocity.
在这种情况下会产生横波首波，因此可以使用基于单极子传感器的标准技术测量地层横波。
Head of a bed, tail block: Uses a ABS high quality engineering plastics formation, the contour is artistic, the color is gentle.
床头、床尾：采用ABS优质工程塑料一次成型，外形美观，颜色柔和。
The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied.
本文分析了气门挺杆端面气孔、裂纹形成原因。
Square shape to reduce twisting of the ropes and formation of a lark's head knot.
四方的形状可避免绳子的缠绕以及形成雀头结的风险。
The formation of its flavor is a complicated chemical and physical process, and all kinds of its factors interact, thus creating a special flavor of the lion's head (the meatball) in Yangzhou style.
它的风味形成是一个复杂的物理和化学的过程，并且各种因素之间进一步互相影响，相辅相成，从而最终形成淮扬名菜—扬州狮子头独特的风味。
Several calculation cases proved the flow rules of gas resulted from formation pressure and well-head pressure.
对几口井数据的数值模拟结果验证了地层温度与井口压力对井筒气体流动参数的影响规律。
The variation of rice kernels moisture content is the most important factor which Causes fissures formation and affects head rice yield.
稻米水分含量变化是引起籽粒裂纹发生和影响整米率的主要因素。
The variation of rice moisture content is the most important factor that causes the formation of fissures in rice kernels and affects head rice yield.
稻米水分含量的变化是引起籽粒裂纹发生，影响整米率的主要因素。
The concept of UCL, the configuration of large scale parallel broadcast system, data packet format and UCL in-formation packet format in the head-end system are described in this paper.
简要介绍了UCL的概念和大规模并播系统的组成、前端的数据包格式和UCL信息包格式；讲解了数据接收端的软件设计方案和各个模块的功能；并概括地描述了UCL的应用前景。
The concept of UCL, the configuration of large scale parallel broadcast system, data packet format and UCL in-formation packet format in the head-end system are described in this paper.
简要介绍了UCL的概念和大规模并播系统的组成、前端的数据包格式和UCL信息包格式；讲解了数据接收端的软件设计方案和各个模块的功能；并概括地描述了UCL的应用前景。
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