Conclusions HFH transplanted in nude mice could survive for at least 6 months.

Home Fall Hazards Assessment in Raising the Awareness of HFH among the Elderly

居家环境致跌因素评估在提高老人对致跌危险因素的认识中的作用

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The wideband active signal detector is presented and simulation is given. The result proves this detector is efficient, and that non-rectangle enveloped HFM signal is the optimal detection signal.

给出了宽带主动信号检测器的形式，并进行了仿真研究，证明宽带检测器的有效性，同时验证了非矩形包络双曲调频信号为最佳检测信号。

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The finite element model of the HFM patients were set up, the mandibular distraction procedure was calculated, the path of distraction and stress distribution was simulated. 3.

建立了半侧颜面短小畸形患者下颌骨的有限元模型，并且模拟了下颌骨牵张成骨过程的运动轨迹和骨软组织应力分布情况。

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Objective To explore the efficacy of human fetal membranes ( HFM) pressing in combination with infrared irradiation ( II) in treating ulcer stage pressure sores.

目的探讨人胎膜敷贴联合红外线灯照射治疗溃疡期压疮的效果。

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Studies on Extraction and Mass Transfer of Samarium and Neodymium in Hollow Fiber Membrane ( HFM) with HEH/ EHP

HEH/EHP在中空纤维膜器中萃取钕、钐及传质研究

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This formula can integrate MSC and HFM with the optical model and can give self-consistent and uniform description for nuclear reaction.

这一公式将MSC和HFM与光学模型相联系，对核反应给出自洽和一致的描述。

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Therefore, in the study nonlinear phenomena in high energy collisions the HFM can be used only in combination with the cumulant variables.

因此，在高能碰撞非线性现象（间歇和分形）的研究中，只有采用了累积变量时，才能使用横向阶乘矩进行计算。

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The voltage-current double-closed-loop control is employed to regulate the QSS full-bridge HFL inverter.

针对全桥式准单级高频链逆变电路完成了电压电流双闭环控制。

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Introduced topology and principle of the half-bridge bi-directional current mode high-frequency link ( HFL) inverter, designed its control system based on DSP in detail.

分析了一种半桥双向电流源高频链逆变主电路的拓扑结构和工作原理，详细介绍了基于DSP的控制系统设计。

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Objective: To clone hFL gene, detect its transcription in Hela cells and the biological activity of hFL protein.

目的：克隆人Flt3配体（FL）基因，检测其在Hela细胞中转录及表达蛋白的活性。

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An original series-resonant current-mode high frequency link ( HFL) sine-wave inverter is presented in the paper.

提出一种新型的串联谐振电流源模式隔离的高频链正弦波逆变器拓扑结构，详细介绍了其工作原理。

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The cell proliferation effects of hFL and hGM-CSF were evaluated by MTT assay.

MTT法测定hFL和hGM-CSF刺激细胞增殖的生物学活性。

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The phase-shifted controlled voltage mode converters with HFL are deeply investigated.

本文深入研究了全桥移相控制电压源高频交流环节变换器。

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But the voltage mode HFL inverters often have performance and application in high power application.

但是在大功率场合，一般采用的还是电压源高频交流环节。

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Objective To evaluate the diagnostic role of high frequency ultrasonography ( HFU) and CDFI for breast carcinoma of the old female.

目的：探讨老年乳腺癌的高频超声图像和彩色多普勒表现。

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Results: Most of the small breast cancers appeared as median type on HFU while few ones looked like typical malignant characteristics.

结果：小乳腺癌的二维声像图特点大多属于中间型，少数表现为典型恶性特征；

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Methods: HFU and CDFI finding were compared with pathology study in 80 cases with breast hyperplasia.

方法：对80例乳腺增生症患者的高频声像图及彩色血流表现作详细观察记录，与病理学组织类型进行对比研究。

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Objective To investigate the applicability and clinical value of high frequency ultrasound ( HFU) in the abdominal check.

目的探讨高频超声在腹部检查中的适用性和临床价值。

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Methods HFU and CDFI findings were compared in 42 cases with confirmed breast masses.

方法42个乳腺肿块经手术及病理证实，对术前高频声像图特征与CDFI表现进行分析与比较。

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20-MHz HFU could show diffuse or nodular foci on skin and prominently increase the diagnostic accuracy of these lesions.

20MHz超高频超声可显示皮肤弥漫性或结节性病灶，明显提高病变诊断的准确性。

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