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Result] It could be concluded through analyzing the model that both the mass uncertainties of quinoline phosphomolybdate precipitates and tested samples were from the resolving power and precision of balance and its maximum tolerance in assay certificate; the uncertainty brought in by volumetric flask was from the permissible error of 250 ml volumetric flask, the operation of increasing the volume to scale of volumetric flask while diluting solution and the difference between experimental temperature and the temperature at the time when the volumetric flask was calibrated; the uncertainty brought in by pipette was from the permissible error of itself, the operation of increasing the volume to intake scale while taking solution and the difference between experimental temperature and the temperature at the time when the pipette was calibrated.

结果]磷钼酸喹啉沉淀和试样质量的不确定度均来自天平的分辨力、精确度、鉴定证书上天平的最大允差,容量瓶引入的不确定度来自250 ml容量瓶本身的允许误差、稀释溶液时将体积增加到容量瓶刻度的操作和试验温度与容量瓶校准时温度的差异,吸量管引入的不确定度来自于吸量管本身的允许误差、吸取溶液时将体积增加到吸取刻度时的操作和试验温度与吸量管校准时温度的差异。

A class of fast-scale bifurcations appearing around the maximum value of the input voltage is discovered for the first time by experiment. Then the influence of the fast-scale bifurcations on the performance of the PFC converters is discussed. Whether the fast-scale bifurcations will appear and how wide the bifurcation region depend on the characteristics of the current loop output. Therefore, the main factors that affect the current loop output are analyzed, including the current loop parameters, inductance, and root-mean-square value of the input voltage.

通过实验,该文首次发现了一类在输入电压最大值附近发生的快时标分岔;详细讨论了快时标分岔对PFC变换器性能的影响;由于电流环输出的特点决定了变换器是否会出现快时标分岔以及分岔区域的大小,该文分析了影响电流环输出的主要因素,包括电流环参数、电感值和输入电压有效值。

Based on this idea, the author has chosen two typical loess sections of Luochuan, and Xifeng for this study, collected the successive loess columns; To probe the conditional experiments of BeO sample preparation and measurement, and improve the existing method; On the basis of the technology improvement, the author has finished 402 samples' BeO preparation and AMS measurement; Also at the same time, to separate quartz from samples at 1 cm interval for both Luochuan and Xifeng sections systematically, to carry out measurements of quartz grain-size, SUS, grey scale, carbonate content and bulk sample density; By using the grain size model, the author has set up the chronological framework for both Luochuan, and Xifeng sections and the time sequence of millennial scale abrupt climate events recorded in loess strata, and reconstructed the East Asian monsoon history over 130ka by using multi proxies; Finally, to discuss the possible mechanisms of palaeoclimatic changes tentatively.

详细地球科学的发展离不开高精度和高分辨率的研究。运用长寿命核素如〓Be作为环境过程的示踪,已成为不可替代的有效工具。本论文选择洛川、西峰两个典型的黄土剖面,连续采集柱状样;探索了BeO样品制备、测量的条件实验,改进了原有的方法,完成了402个BeO样品的制备和AMS测量;同时还系统地分离洛川、西峰剖面高分辨率(1cm)黄土、古土壤样品中的碎屑石英,测量了碎屑石英粒度,以及全样的磁化率、灰度、碳酸盐含量和容重等古气候代用指标;采用粒度年代模式建立了洛川剖面和西峰剖面的年代标尺,建立了黄土地层记录的千年尺度的气候突变事件的时间序列,多指标重建了最近130ka东亚季风变迁史;初步讨论了古气候变迁的可能机制。

The literature review is used to build research framework. Afterward, there are 213 valid subjects, selected by convenient sampling from the full-time workers in the north, the midland , and the southern part of Taiwan, including Taipei City, Taoyuan County, Hsinchu County, Changhua County, Tainan City and County, Kaohsiung City and County, and Pingtung City and County. Individual Traditionality Scale, Individual Modernity Scale, Organizational Relationship Scale and Chinese Happiness Inventory were used in this study.

本研究经由相关文献建立研究架构,以便利抽样台湾北部、中部、南部三区之11个县市(台北市、桃园县、新竹县、云林县、彰化县、台南县市、高雄县市、屏东县市)全职工作者进行问卷调查研究,共计施测回收213位有效样本,使用「多元心理传统性量表」、「多元心理现代性表」、「关系品质表」及「中国人幸福感表」为研究工具,进统计分析。

The biological hydrogen is very important to solute the energy crisis and the environmental pollution. Our country works out the organic waste water zymotechnics biological hydrogen technology by the tired of oxygen active sludge and the organic waste water as produces raw material. It is proved by the experiment in HIT. This research was discovered first in our country and foreign and realized the experimental scale non-fossilization mold mushroom spawn for a long time to continue producing the biological hydrogen technology. It also realized the experimental scale continue to produce the hydrogen for a long time. It was a domain significant breakthrough in biological hydrogen.

生物制氢对于解决能源危机和环境污染都具有十分重要的意义,我国以厌氧活性污泥和有机质废水为生产原料的有机废水发酵法生物制氢技术在哈工大通过实验研究验证,该项研究在国内外首创并实现了中试规模连续非固定化菌种长期持续生物制氢技术,并实现了中试规模连续流长期持续产氢,是生物制氢领域的一项重大突破。

In fact, if the stabilization fund of funds big enough scale, such as the above-mentioned report says the 6-800000000000 yuan scale, at the same time, there is similar to "request the lifting of the ban state-holding enterprises, and now shares repurchased shares, in 3 years can not be the reduction below 1500; funds, social security, insurance, investment funds in 1500 can not reduce below,砸盘"supporting policies such as the convoy, then the stock market stabilization fund may be A shares for A shares to work together to build the security of the bottom line is urgently needed in order to effectively prevent the A shares fell further at the same time, and gradually restore market confidence.

事实上,如果资金稳定基金规模足够大的说,如上述报告6-800000000000元规模的同时,也有类似的&请求解除禁令国有控股企业,现在的股票回购股份,在3年内不能低于1500的减少,资金,社会保障,保险,投资基金在1500年不能低于减少,砸盘&支持,如车队的政策,那么股市稳定基金,可A股A股共同努力,以建立安全的底线,迫切需要以有效防止A股进一步下跌的同时,逐步恢复市场信心。

Scale-wavelet energy of the scale spectrum in a specific scale-time region and the total signal energy for heroin druggers is generally higher than that of healthy persons.

发现吸毒者脉象信号在特定尺度与时间区域内的尺度谱之和和该信号总能量的比值明显高于正常人。

Relying on both dynamic and static analysis methods,both microstructure and macrostructure analysis methods,both on-line and off-line analysis methods,as well as both along-line sampling and die sampling techniques,the author of this thesis studied and developed an on-line microscopic system,the on-line rheometers and the on-line samplers which are used in single screw extruding process for the first time. Based on the analyses of a plenty of experimental results, the thesis mainly discussed following several questions: solid-bed break-up phenomenon on macroscopic scale,melting and deforming mechanism of a solid particle on small particle scale,and polymer morphology on microscopic scale.

本文作者通过把动态和静态分析相结合、微观和宏观分析相结合、在线和非在线分析相结合、沿程取样和机头出口样品分析相结合的方法,在单螺杆挤出过程的在线显微观察与摄影、在线流变测试、在线取样的大量实验分析的基础上,针对挤出过程中从宏观尺度范围的固体床破碎现象、到较小的颗粒尺度范围的固体粒子的熔融与变形、以至微观尺度范围的聚合物材料的形态结构的变化情况等有关几个的问题进行研究讨论。

Thesis is divided into five parts, the main contents include: a long beam and truss repair and strength calculation, Liang Lu-board repair, the following box and wing rib repair, box rib injury at the time of small-scale repairs, large-scale box rib injury at the time of repair and a new frame, the positioning rib installation.

论文共分5个部分,主要内容包括:梁和长桁的修理及强度的计算、梁履板的修理、隔框和翼肋的修理、框肋小范围损伤时的修理、框肋大范围损伤时的修理及新框、肋的定位安装等。

Based on the time-frequency analysis (continuous wavelet transform and short time Fourier transform), the arithmetic uses the modulus maximum characteristic on the phase scale and carry frequency scale to recognize phase modulation rule of signal. So without whole wavelet coefficient the signal mathematics model can be obtained quickly. It provides well condition for application of arithmetic in practice.

该算法基于信号的时频分析(小波分析和短时傅里叶变换),利用小波变换的相位尺度和载波尺度的模极大值特征辨识信号的相位调制规律,因而在无需计算全部小波系数的情况下,可快速地获得信号的数学模型,为算法在实际中的应用提供了良好的条件。

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In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

Very pretty, but the airport looks more fascinating The other party wisecracked.

很漂亮,不过停机坪更迷人。那人俏皮地答道。