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This study was aimed to investigate the relation of qualities between raw fish and the frozen fillet, in order to found the certification index. At first, tilapia was scarified and the round fish was stored in ice or at 25°C for due time intervals, and then provided for the comparison of changes in freshness and the other quality indices.
为了了解台湾鲷原料鱼的鲜度与冷冻鱼片产品品质的关系,藉以建立其品质的验证指标,本研究先将台湾鲷即杀鱼分别以冰藏或於25℃贮藏不同时间后,分析鱼肉的鲜度及各项品质指标的变化。
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3D-CTM (Coupled Thermo-Mechanical Forming Simulation) software for precision forging process of aero-engine blade was developed. The key technologies of 3D coupled rigid-viscoplastic thermo-mechanical FEM simulation of blade forging process were studied systematically. By using the remeshing method of contracting from the boundary to the inner, new mesh system from old distorted mesh system can be obtained. A method of modifying the position of nodes touching on the die according to its original normal was proposed to avoid "dead lock" problem due to uncontinuity of normal of scatted die meshes. The pseudo-static iterative algorithm was used to simplify the coupled thermo-mechanical computation. In particular, formulations to determine relaxation factor β was established for rigid viscoplastic FEM adopting penalty function method, and an improved cubic factor rapid algorithm derived from these formulations was proposed by combining with the advantage of advance and retreat search method.
采用基于边界构形的内缩法,实现了三维畸变网格的重新划分;提出了初矢修正法对触模节点的位置进行修正,解决了由于离散的模具网格的法矢不连续造成的&死锁&问题;采用准静态迭代法简化了速度场和温度场耦合计算过程;特别是针对减速因子β的选取,建立了适用于三维复杂成形过程刚粘塑性罚函数法有限元三次因子法的计算公式,并结合进退搜索法提出了改进的三次因子快速算法,提高了模拟计算效率和稳定性,在此基础之上,开发了面向叶片精锻过程的三维刚粘塑性热力耦合有限元模拟分析系统(3D-CTM),系统的可靠性得到了圆柱体镦粗的验证。
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Due to the simplicities of the current signal processing and events detection methods, the CPU is idled for substantial amount of time. Thus, in the future, more advanced techniques such as adaptive filtering and wavelet analysis can be implemented for event detection to increase the accuracy and reliability.
本系统目前并未利用数位讯号处理单晶片的全部能力,往后若能将自适性滤波器及小波等更先进的讯号处理方式实现於系统中,将能更进一步增强讯号侦测的能力,同时提高本系统的可靠性。
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Based on the theory of two-phase fluids dynamics, the general governing equation is established, which is applied to the fields of seepage, consolidation and deposit. For the first time, the mechanics properties of the soil affected by seepage are studied by the means of experiment. The problems of the modified indexes of mechanics and constitutive relation are solved due to the formulations obtained of mechanics parameter under seepage condition. Applied fuzzy theory and modern project design method, the fuzzy probability model for stability analysis is stetted up; Considered variation of mechanics parameter and curtain effect, the deformation patterns of deep execution are systematically analyzed.
基于两相流理论,推导了适用于渗流、固结和沉积的统一形式的控制方程;试验研究了渗流作用下土的力学性质的变化规律,经综合分析得到力学指标的定量表达式,为工程设计和数值计算中力学参数的确定提供了参考;基于模糊理论和现代工程设计方法,建立了基坑失稳的模糊概率模型,为基坑稳定性预测提供了新的方法;对基坑变形规律作了系统分析,考虑了土性变化和帷幕防渗效果对支护结构变形的影响,得到了较满意的结果。
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The results show that the influence for the antenna pattern due to truncation of the missile body is very small,thus the truncating handle for the missile body is entirely possible in the antenna measurements.
结果表明,弹体截断对弹载天线辐射特性的影响很小,完全可以在弹载天线的测量中对弹体进行截断处理。
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Due to the features of the project exhibiting "long distance,large diame- ter,and high water pressure",this article probes into the design of cutterdisc,main bear- ing seals,and shield tail in the aspects of its safety,and reliability for the benefits of pro- viding reference for similar projects hence forth.
由于工程具有&长距离、大直径、高水压&的特点,重点对盾构机的刀盘、主轴承密封和盾尾等安全和可靠性设计方面进行了探讨,便于同类工程借鉴。
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For some time she had been doing the worst thing possible for me - standing still. She headed nearly due south , yawing, of course, all the time.
有一会儿,帆船干着对我来说最糟糕的事——它呆在原地不动,船首几乎总是对着正南方。
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Zinc oxide can also act as a sensor for detecting changes in electric current due to absorption of gas molecules and so be used for gas leak warning devices.
氧化锌也可以作为一种检测传感器电流的变化,由于气体分子吸收,所以要对煤气泄漏报警装置使用。
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Model records are a type of vinyl LP but with white paper and are used for testing sound before the formal production of a record. This is called a "white board album", and is not for sale. Due to its high quality and rarity it is a very valuable collectors' item.
有一种唱片的片芯是白纸,所示内容为水笔手写,这样的唱片是唱片正式生产前测试时压制的示范片,通常称之为&白板片&,白板片属非卖品,品质极高,数量奇少,有很高的收藏价值。
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Due to FC nature of the repeater, FC repeater uses twice as much frequency as the conventional CS, PS, or amplifiers. Thus, one must pay special attention not to let the signal leaks out to the un-intended coverage area, especially areas under noticeable frequency blockage. When used for outdoor application, it should only be used for low traffic areas.
由于变频直放机的工作需要占用比一般设备(基站、手机、基站放大器等)多一倍的频率资源,所以在应用中要注意:用于室内覆盖时避免直放机与手机通信时的信号泄漏到话务量很高的室外引起频率阻塞;用于室外覆盖时,应该使用在基站稀疏,话务量低的区域。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。