The improved DDST intelligence examination was done on 67 cases of endemic cretinism in Qinghai through random sampling and had got developmental quotient ( DQ).

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And the performance of TDM, ST and DDST is compared by training sequence selection, channel estimation MSE, data detection BER and system throughput.

论文从训练序列选择，信道估计性能，信道容量以及信号检测误码率和系统吞吐率等方面比较了TDM，ST和DDST的性能。

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Both groups were given NBNA examination before and after treatment ( mean interval was 12 days), also given DDST examination for follow-up.

两组治疗前后行NBNA检查（平均间隔12d），并用丹佛发育筛查法进行随访。

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3、

The results showed that the DDST abnormal rate of severe iodine deficiency group was obviously higher than that mild and control group;

卡方值检验表明，在P＝0.05水平上，重度缺碘组的DDST可疑和异常比率都显著高于轻度缺碘组和正常组；

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The use of DDST in china: Retrospect and Prospect

丹佛智能发育筛选检查（DDST）在国内的应用：回顾与瞻望

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DDST results and analysis of 397 children in IDD area

397名碘缺乏病区儿童DDST测试结果分析

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Application of DDST in assessing development of infants

应用丹佛发育筛查法评价婴幼儿发育状况

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Deciduous Chinese shrub or small tree with often trilobed leaves grown for its pink-white flowers.

中国种每年落叶灌木或小型树种，三裂片树叶，粉红到白色花冠。

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The operation condition of a series feedback type of de-Q circuit is analysed in detail and the main design formula is deduced. The new practical circuit, the solid state scheme of the parallel feedback type de-Q circuit for high voltage and high power is also presented.

本文详细地分析了串联反馈型de-Q电路的工作状态，推导出主要的设计公式，给出了新的实用电路，提出了高压大功率的并联反馈型de-Q电路的固态化方案。

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The advantage of PIN low impedance with assembly method is proposed, and an improved method for de-Q circuit design is also presented.

提出了采用组合式调制器达到PFN低阻抗的优点，对de－Q电路设计也提出了改进意见。

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10、

A Solid-state Feedback de-Q Charging Technology of High Power and High Voltage Line Type Pulse Modulator

大功率调制器的固态反馈型de-Q充电技术

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Internal thread tapping is one of the most demanding machining operations.

内螺纹加工在机械加工中占有重要地位。

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Radial Extrusion Mould for the Internal Thread Spline

内螺旋花键径向挤压模

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Parallel pins with internal thread

GB/T120-1986内螺纹圆柱销

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An Experimental Exploring on Machining Internal Thread of Hardened Steel by EDM

电火花加工淬火钢螺纹孔的实验探讨

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Compressed Internal Thread and Its Application in Electronic Products

挤压内螺纹在电子产品中的应用研究

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Study on Processing Method for Cold Extrusion in Internal Thread of Knuckle Axis

挂钩轴内螺纹冷挤压成形方法研究

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The CAT System Software Design for Internal Thread of Joint

油套管接头螺纹CAT系统软件的设计与开发

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The practice shows the measurement is efficient on overcoming the defect of internal thread.

生产实践证明，相应的纠正措施对克服内螺纹缺陷起到明显的效果。

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Component parts with bore such as pin valve, internal thread, oil pipe take up a large proportion in the oil industry, chemical industry and modern manufacturing industry.

孔类零件如针阀体、内螺纹、油管等在石油、化工和现代制造业中占有相当大的比重。

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Design of the Injection Mould with Eject Plate& Screw Rod Structure for Auto_demoulding of Internal Thread

推板螺杆式自动脱内螺纹注射模设计

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