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On the basis of investigation on oscillometric technique for non-invasive blood pressure measurements, and combined the technique with pulse-wave theory, this paper designs a blood pressure and artery stiffness measuring apparatus, which not only can measure blood pressure and heart-beat-rate accurately, but can calculate the measurers arterial stiffness index and vascular compliance.
本论文在研究分析无创血压测量方法示波法的基础上,结合脉搏波理论,设计出一种准确高效的血压与血管硬度测量仪,该仪器不仅能够准确测量出受试者的血压与心率,还能够计算出受试者的动脉弹性指数和臂动脉顺应性,为医生判断患者的动脉硬化程度提供一种有效的检测手段。
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A model describing the relationship between recovery stress and temperature is developed based on the modified Clausius-Clapeyron equation. A composite model based on the Tanaka model is used to calculate the thermal expansion strain of composite, and the relationship between the martensitic fraction and temperature. Results show that this relationship is nonlinear, affected by prestrain and the heating-cooling history.
利用Tanaka模型以及在Tanaka模型基础上所建立的复合材料的模型,分析了TiNi合金丝/Al基复合材料的热收缩应变,以及复合材料中TiNi合金丝发生逆相变过程中马氏体分数与温度的关系,结果表明马氏体分数与温度之间的关系并非近似线性,而是随着预应变的不同、加热冷却过程的不同而变化的,在具体的使用时应根据不同的情况具体分析。
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Introduces oneself: My age did not calculate too big, has not passed an examination the undergraduate course in the past, retook courses also does not have anti-getting down on to look for on muddleheaded a school down, in the school three years, properly has not gone to school, the work was also ordinary, now is strives for the survival in the reality, occasionally also a little was small develops.
自我介绍一下:我岁数不算太大,当年没考上本科,复读也没抗的下来就稀里糊涂找了个学校上了下来,在学校三年,没正经上过学,工作也还是一般,现在是在现实中求生存,偶尔还有点小发展。
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Study the bioactivity of the n-HA/PA66 composite and the effects it would be to body's metabolism of calcium and phosphorus ion in vivo.(3) Study the osteo-conductivity and the ability to repair bone defect of the porous n-HA/PA66 composite and the feasibility use it as the scaffold of bone tissue engineering. Objects and Methods as follows: 1.To evaluate the biocompatability of nano-hydroxyapatite crystals and polyamide composite (n-HA/PA66) with the L929 cells.To proceed the morphological observation and take pictures of L929 cells after 1d,2d,4d,and 7d of co-cultured with extract of n-HA/PA66 ,and direct contact with n-HA/PA66.To determine light absorbtion value of every hole under 500 nm with enzyme linked immunity instrument after 1 d,2 d,4 d,and 7 d of contact of n-HA/PA66 extract with L929 cells,and direct contact with n-HA/PA66.In the meanwhile calculate the relative multiplication rate of cells,and evaluate them by six degree tests for cytotoxicity. To investigate the acute and chronic toxic reaction on the whole body induced by the new nano-hydroapatite crystals and polyamide composite(n-HA/PA66)after implanting in vivo and its effects on partial constitution of animal organs after implanting in vivo,and evaluate the potential and degree of subcuticular stimulation reaction.
本实验主要由以下三部分组成:一、n-HA/PA66 复合材料在动物体内、体外的生物相容性及生物安全性评价二、n-HA/PA66 复合材料植入动物体内的生物活性及近期对机体钙、磷代谢影响的实验研究三、网孔 n-HA/PA66 复合材料作为支架修复兔桡骨节段缺损的动物实验研究主要研究目标及方法如下:参照 GB/T16886.5-1997-ISO 10993-5:1992《医疗器械生物学评价细胞毒性试验体外法》之评价标准和要求,采用规定的 L929 细胞(小鼠结缔组织成纤维细胞),分别经直接接触和材料浸提液与细胞共培养等方式对 n-HA/PA66 复合材料进行细胞毒性测试,采用细胞形态观察法观察两种细胞各组在 24h、48h、72h、5 天后各时相点的细胞形态学变化,并在显微镜下照相,从而对细胞与材料的生物相容性进行定性评价;同时采用细胞生长抑制法,以酶标仪定量测定评价各组 1,2,4,7 天 L929 细胞的相对增殖率,以定量测定并判别材料对细胞的毒性程度。
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Considering non-spherical particles, starting from particle size distribution, the concept of the number of equivalent spherical particles was put forward, and the theory formula to calculate mass concentration of non spherical panicles was derived. The validity of the formula for non-spherical particles was verified. On this basis, aerosol mass concen-trations algorithm baaed on the number of equivalent spherical particles was proposed.
考虑非球形颗粒,从颗粒群粒度分布概念出发,提出了统计意义上的等效球形颗粒数概念,给出了非球形颗粒物质量浓度的理论公式,并利用该理论公式阐明了OPC测量非球形颗粒物质量浓度计算公式的合理性,进而给出了基于等效球形颗粒数的悬浮颗粒物的质量浓度算法。
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The envelope method of signal based on the Morlet wavelet as well as the relativity methods based on the curve of Gauss function and energy is used to analyze and calculate that the simulative exploration system of tiny terrain incepting the returning echo of ultrasonic,and the spacial position of echo headstream can be attained accurately.
利用Morlet小波信号包络和高斯函数曲线及能量相关性方法对拟设计的微地形探测系统接收到的超声波回波信号进行分析与计算,能准确获得回波源的空间位置。
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These two sets of neutron optical potential parameters have been ingathered in the Nuclear Parameter Data LIBRARY of China by Chinese Nuclear Data Center.Based on these neutron optical potential parameters, program DWUCK4 has been applied to calculate direct inelastic cross sections which are used in SUNF program as input data and then the SUNF program has been used for calculating all nuclear reaction data of neutron induced on 135Ba, 136Ba, 137Ba, 138Ba and 130Te in energy range from 0.01 to 20MeV, respectively.
在这两组中子光学势参数的基础上,应用程序DWUCK4计算了直接非弹截面,作为输入数据用于SUNF程序,用SUNF程序计算了中子入射~(135)Ba、~(136)Ba、~(137)Ba、~(138)Ba和~(130)Te五个核的反应全套数据。
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For connoisseurs of chicanery, I have attached as Appendix A on page 22 a previously unpublished satire on accounting practices written by Ben Graham in 1936. Alas, excesses similar to those he then lampooned have many times since found their way into the financial statements of major American corporations and been duly certified by big-name auditors. Clearly, investors must always keep their guard up and use accounting numbers as a beginning, not an end, in their attempts to calculate true "economic earnings" accruing to them.
有趣的企业会计并不是件新鲜事,对于企业诈骗的专家,我特别附上班哲明葛拉罕在 1936 年所写未经出版有关会计做帐的讽刺性文章,自此之后,我们可以发现这种葛拉罕所描写的方法散见于各大美国企业财务报表中,而且全部都经过各大会计师事务所签证背书,所以对此投资人必须特别提高警戒,要了解在计算一家公司的实质的经济盈余时,会计数字只不过是个出发点,而绝非是最后的结果。
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To confirm that you're not skimping on calories, use an online site to calculate your calorie requirements based on your height, build, and activity label then make sure you're getting them.
为确定你没有克扣卡路里,可以根据你的身高、体型及活动情况在一个在线网站上计算你的卡路里需求量--然后你的需求量得到满足。
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Based on the transient simulation program of stator winding internal faults in synchronous generator, this paper presents the effect of stator winding and damper bar resistance on transient and steady currents. It is very necessary to calculate precisely the resistance of stator winding and damper bar resistance in order to simulate fault correctly.
应用同步发电机故障暂态仿真程序分析了定子和转子回路的电阻对发电机故障暂态过程的影响,结果表明为了准确进行发电机内部故障暂态过程计算,应该全面考虑影响的各种因素,准确求取定子和转子回路的电阻。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。