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29 C · Pyxis planicauda - these tortoises may experience temperatures ranging from 48 F (9 C) to 102 F (39 C) in their natural range.

扁尾陆龟----这些龟可以承受自然温度范围从48 F (9 C)到102 F (39 C)。

In the fist part, considering the game theoretical aspect of generalized Cohen's forcing C in dependence of ideal / on ω, Generalized a result of Sharp in Combinatorics on Ideals and Axiom A(The Journal of Symbolic Logic,1994), we argue that if J is a regular p*-ideal then C do not satisfy Axiom A.

第一部分通过讨论ω上的理想J的广义Cohen's力迫C的博弈论性质，我们推广了Sharp在论文Combinatorics on Ideals and Axiom A(The Journal of Symbolic Logic，1994)中的一个主要结果——如果U是一个超滤，则其对偶理想J=U~*所作成的广义Cohen's力迫C不满足力迫公理A，我们进一步证明了如果J是一个正则的p~*-ideal则C不满足力迫公理A。

The expressions of C/EBP β mRNA in the sebaceous gland showed the different expression pattern, it maintains low level in all of developmental stages.

体外培养的皮脂腺细胞有C/EBPα和C/EBPβ的表达结论： 1.C/EBPα和C/EBPβ在皮脂腺生长分化中表达，且主要表达在低分化的皮脂腺细胞中。

The introduction deals with these pieces composed before Beethoven so as to get the conclusion about the historical background of how specific color of C minor came into being. Chapter One studies three C minor piano pieces composed by Beethoven (Sonata No.5, Sonata No.8, Piano Concerto No.3), analyzes these first movements in detail from the perspective of the binary conflict, dotted rhythm, diminished seventh chord and the use of repeat notes. Chapter Two focuses on the similar backgrounds concerning compositions, general idea, theme design, heroic characters, etc. All of these characters could explain that how Beethoven understood and used the to...更多nality of C minor.

随后选择贝多芬1800年之前创作的三部C小调钢琴作品(《第五钢琴奏鸣曲》、《第八钢琴奏鸣曲》、《第三钢琴协奏曲》)进行研究，并着重第一乐章，从二元冲突、附点节奏、减七和弦、重复音的运用等方面进行具体分析，归纳三部作品在创作背景、总体构思、主题设计、英雄性格等方面的相似之处，从而解释贝多芬对C小调调性的理解与运用以及这三部作品对贝多芬英雄主义风格形成的影响。

In chapter 4, basing theories and methods of scientific visualization, and artificial neural network BP algorithm, we integrate the Visual C++, OpenGL graphics library and Excel VBA technique to develop the program of artificial neural network and to make the BP algorithm visually, this program works can be divided into four parts: Using C language to develop program about BP algorithm; Using Visual C++, develop the GUI Interface, make input parameter visually; Using OpenGL graphic technique to display the training sample point in three dimension; at last using Excel DDE technique display the error graphic tables in Excel system In chapter 5, on the view of engineering application, we establish new method of surface reconstruction basing artificial neural network, develop interface program between module and commercial CAD/CAM system, meantime deeply discuss some key problems, for example, setting up the base plane, using the API technique, cutting and editing surface boundary, and also discuss the more compliant problem: how to intersect surface, at end we finish the work of translation from our surface reconstruction module to commercial CAD/CAM system, then make reverse engineering system basing artificial neural network more useful.

第四章基于科学计算可视化理论，依据人工神经网络BP算法理论模型，综合Visual C++，OpenGL图形库以及Excel VBA等多项软件开发技术，编制了人工神经网络程序，实现了BP算法的可视化映射。具体工作分为四部分：利用C语言实现人工神经网络BP算法；利用VisualC++的GUI技术开发图形用户界面，实现参数设置可视化；利用OpenGL图形技术进行三维映射，显示学习样本及训练样本点；利用微软电子表格DDE动态数据交换技术，在Excel上动态显示学习误差曲线图。第五章从工程应用的角度出发，提出了一种新的基于人工神经网络算法的曲面裁剪重构方法，完成了曲面重建模块与通用CAD/CAM系统的接口设计工作，对其中的若干关键问题进行了深入讨论，例如基平面设定、API技术的应用、边界裁剪等问题，同时，对曲面计算中较为困难的曲面相交问题也进行的专门探讨，最终完成了曲面重建模块向CAD/CAM系统的数据传输工作，使人工神经网络逆向工程系统趋向实用。

On the other hand,the solubility parameters of the uncured EP,CE and PEK-C calculated by the group contribution methods were 20.29 MPa~(1/2), 22.32 MPa~(1/2),19.09 MPa~(1/2),respectively.Thus,the miscibility between the epoxy and PEK-C was higher than that between the cyanate ester and PEK-C.

另一方面，采用基团贡献法计算出固化前液态EP、CE、PEK-C的溶度参数分别为20.29 MPa~(1/2)、22.32 MPa~(1/2)、19.09 MPa~(1/2)，显然，PEK-C在液体EP中的溶解性要明显优于其在CE中的溶解性。

The motor is provided with a thermal motor protector (a protective device that is sensitive to both temperature and current) that prevents the temperature of the motor windings from becoming more than 125°(257°) under the maximum load C F under which the motor runs without causing the protector to cycle, and from becoming more than 150°(302° with the rotor of the motor locked; or C F) 4 The motor complies with the requirements for impedance-protected motors; b Under wiring, unless the wiring complies with the VW-1 (Vertical-Specimen) Flame Test in the Reference Standard for Electrical Wires, Cables, and Flexible Cords, UL 1581; c Under an unenclosed switch, transformer, relay, solenoid, and the like, unless it 7 舞台灯标准 can be shown that malfunction of the component does not result in a fire; or d Under field- and factory-made splices and overload and overcurrent protection devices.

F C F 4 发动机符合阻抗保护发动机的要求； b 配线，除非电线符合VW-1及参考UL 1581标准的有关电线，电缆及线芯灵活性的焰火测试。 c 未封装的开关，变呀器，继电器，螺线管及与其相似的，除非它可显示元件的故障不会引起火灾。 d 在户外和生产工厂接合过载和过流保护装置。

The results show that there were no significant differences among the four forage rations in rumen pH, the concentrations of total volatile fatty acids, acetate, propionate, the ratios of acetate to propionate, butyrate, isobutyrate and valerate（P﹥0.05）. Only in 11:30, the concentrations of isovalerate caused by ration A and B were significantly higher than the other two rations(P﹤0.05).The milk yield caused by the ration C was significantly lower than the others (P﹤0.05). However, there were also no significantly differences among these four rations in the DM, fat, sugar, protein and scc of the milk. The milk fat and sugar of ration B and C were higher than ration A and D in number as well.

试验结果显示：各粗料组合日粮对各个时间点的瘤胃发酵指标：pH、TVFA、乙酸、丙酸、乙酸/丙酸、丁酸、异丁酸、戊酸浓度均无显著差异（P﹥0.05），只在11：30时，日粮A、B的异戊酸浓度显著低于日粮C、D (P﹤0.05)；日粮C的产奶量显著低于其它三个日粮，而在乳干物质、乳脂、乳糖、乳蛋白、体细胞数上，各日粮均无显著差异，从数值上看，日粮B、C的乳脂和乳糖高于A、D。

When there is plenty of rope available, the following method illustrated in Figure 20-3 is most secure. The best river man goes first belayed by the second best who goes last. When A gets across, he moves upstream and sets up a belay opposite B. and the next wader ties in at B. Then C pendulums across taking about the same path as A.

水性最好的A首先过溪，由水性次佳，同时也是最后一个过溪的B负责确保工作，当A到达对岸之后，走到B的正对岸做好确保，下一个渡溪者C在B点套入胸部绳圈确保，C的渡溪路径与A相同，当C渡溪时B要给出绳子而A要将绳子收紧，如果C失足被冲掉，会被冲到对岸

Analysis based on the experimental results demonstrated the plausible reaction mechanism is that vit C first converts Cu(superscript 2+) to its reduced state and vit C becomes vit C radical itself, thereby stimulating the formation of peroxyl and alkoxyl radicals, and bimolecular reaction of peroxyl radicals results in (superscript 1)O2 production in the systems studied.

根据实验观察的结果，分析了这一体系中(上标 1)O2形成的可能途迳，认为首先是维生素C将Cu(上标 2+)转变为还原态，而自身失去一个电子转变为维生素C自由基，从而刺激了过氧自由基和烷氧自由基的形成，过氧自由基的双分子反应很可能就是体系内(上标 1)O2产生的反应机制。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。