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The lumped kinetic model of monoterpene, abietic type resin acid, pimaric acid type resin acid, p-cymene, hydro-monoterpene, dehydro-abietic acid, hydro-abietic type resin acid, and hydro-pimaric acid type resin acid was established based on the structural groups and approximate reaction kinetic theory according to the fundamental principles of the lumped method.

在消除内、外扩散影响的条件下,在线跟踪反应产物并用气相色谱法测定反应体系组成随时间的变化,构造了Pd/C催化剂上松脂分子间氢转移集总反应网络,建立了包含单萜烯、枞酸型树脂酸、海松酸型树脂酸、对伞花烃、氢化单萜烯、脱氢枞酸、氢化枞酸型树脂酸和氢化海松酸型树脂酸等复杂反应体系的集总动力学模型,并估算了模型参数。

5 Compared stability of tannase in RM with that of free tannase in aqueous, tannase is more stable in RM than in aqueous.

2.5 比较反胶束体系中单宁酶的稳定性和水相游离酶的稳定性试验结果说明:反胶束体系有利于单宁酶的稳定。

The hydrophobic monomers such as glycidyl octyl dimethylammonium chloride, glycidyl dodecyl dimethylammonium chloride, glycidyl tetradecyl dimethylammonium chloride was applied to the hydrophobic modification of two kinds of sodium cellulose sulfate in isopropyl alcohol under 65℃.The success of synthesis of a kind of novel amphoteric surfactant by FT-IR and NMR. 3. By the measuring surface tension of all kinds of amphoteric polymeric surfactants based on cellulose, the critic micelle concentration was obtained such as 0.4wt%、0.3wt%、0.25wt% and corresponding surface tension was about 30mN/m

通过动态接触角测量仪确定了各种纤维素表面活性剂的表面张力和临界胶束浓度,结果表明该类表面活性剂可与小分子表面活性剂的降低表面张力的能力相媲美,最低可达28.41 mN/m,随着疏水基中碳链的增长,降低表面张力的能力下降,而临界胶束浓度从0.4wt%相应降低0.25wt%;应用环境扫描电镜确定其不同浓度胶束形态,结果表明在较低浓度下形成棒状单分子胶束,随着浓度的升高,单分子胶束逐渐聚集成树枝状胶束,进一步提高浓度,则聚集成网状结构;此外,采用了高级流变仪对其溶液的流变性质进行了研究,结果表明其溶液属于剪切变稀流体,是高分子溶液特有的性质。

Thederivatives of 5 kinds of monosaccharides Xyl, Ara, Man, Glc, Gal were detected anddetermined respectively by GC-MS. The influences of several factors, such asreductive time, reductive temperature, acetylating temperature and acetylating time,on recovery of monosaccharides were studied by orthogonal experiments. The resultsshowed that the reductive temp.

利用气相色谱—质谱联用技术检测五种常见单糖(木糖、阿拉伯糖、甘露糖、葡萄糖、半乳糖)的乙酰化产物含量,采用正交试验综合考察了还原时间、还原温度、乙酰化温度、乙酰化时间等因素对单糖回收率的影响及规律。

This paper using the FEM software Marc, for the 50 and 60 degree V groove of flat plate butt joint simulate the one-layer and three layers welding, finish each welding and cooling it down to room-temperature then start the next welding true represent process and get the temperature field, residual deformation and welding residual stress, according to the theory analysis and empirical equation verified the temperature field and residual deformation all correct, comparison with experiment verified the welding residual stress regularity and correctly.

本文利用有限元软件Marc,对开60°和50°V型坡口的平板对接接头,动态的模拟了单层单道打底焊,焊完一道后让试件冷却到室温以及单层单道满焊,每焊完一道后让试件冷却,然后再焊下一焊道,道间温度≤200℃,在以此为初始边界条件下开始下一道的焊接,真实的再现了焊接过程,得出了温度场,残余变形和残余应力场的分布规律,根据理论分析及经验公式验证了温度场以及残余变形的正确性,角变形的大小,这些结果与数值计算相吻合。通过与实验测得的残余应力进行比较,验证了焊接残余应力的分布规律及模拟的正确性。

In the recent years, the company has successively developed the fully servo control extra-fine metallic wire drawing machine without tension bar, stainless steel fine wire drawing and annealing machine, the true meaning constant tension and constant line rate and fully-automatic single-head and single-control annealing wire coiling machine, fully-automatic active wire laying device and inductive and constant annealing extra-fine copper wire drawing machine and other new products, which have basically solved the defects of the finished product wires manufactured by ordinary equipment that tension inequality, disordered wire arranging, incapability for anti-drawing intensity and extension rate control and low finished product rate, etc and have improved the product quality to a higher grade.

近年来,本公司相继开发出全伺服控制无张力杆的贵金属极细线拉线机,不锈钢微丝拉丝退火一体机,真正意义上的恒张力,恒线速,全自动的单头单控退火线绕线机,全自动主动放线装置以及带感应式连续退火的极细铜线拉线机等新产品,根本解决了普通设备生产出的成品线内外松紧不一,排线不整齐,抗拉强度和延伸率无法控制,成品率低等缺陷,使产品质量更上了一个档次,设备的外观,制造精度和技术性能可以与进口设备相媲美,完全能够满足客户国外订单的高品质要求。

Therefore, the study is significant both theoretically and practically. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. In this paper, the OpenGL virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the MMG mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. In the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the MMG module mathematical model and serial experimental result. After compiling the program, the calculation results are compared with the experimental data, the coherence between them validate the mathematical model.

在系统开发过程中,首先采用MMG分离式数学模型及相关的系列化试验结果,建立单桨单舵海洋运输船舶在静水中的船舶操纵运动方程,并编制计算程序,经与试验结果比较,证实了计算结果的正确性;为了解MMG数学模型中模型参数变化对操纵性指数的影响程度,作者在上述已有程序基础上,对有关模型参数进行偏移修正,探讨了相应参数变化后的操纵性指数,对船舶操纵性指数对模型参数的灵敏度进行了详细的分析与探讨,所得结论与工程实际相吻合,具有实际应用价值,并为进一步提高船舶操纵性预报的精度打下了基础;然后,在已有的船舶静水操纵运动模型基础上,考虑双桨双舵的影响,建立了内河双桨双舵船舶的操纵运动模型;最后,综合考虑风浪流作用力的影响,进行了船舶的操纵运动仿真计算。

During ictal SPECT studies, 18 showed hyper-perfusion in solitary lobe, multi-hyper-perfusion foci in 10 patients. Compared the two examinations, 26(86.7%) were accorded with each other in 30 patients. Of the 12 patients with multiple and diffuse hypometabolism in interictal PET, 6 patients showed foci changed to solitary focal hyper-perfusion in ictal SPECT.

发作期SPECT显像18例为单叶局限性高灌注,10例为多处高灌注灶。30例患者中26例(86.7%)两项检查结果相符合,12例PET发作间期呈多病灶或弥漫性改变者,6例于发作期转化为单叶局限性病灶。

Sowe selected the colchicine optimum parameters were 0.6μg/ml and 6 hour culturedduration.The second, there were no significantly differences between the four groupsin 2 hour groups; and there were significantly differences between 0.2μg/ml groups and other three groups in 4 hour groups; and there were no significantlydifferences between the four groups in 6 hour groups; and there were significantlydifferences between 0.4μg/ml groups and other three groups in 8 hour groups onthe metaphases (P<0.05), in the experiment of the effect on the mouse 8-cellembryo stage single blastomere of colchicine with different concentrations andduration by x~2 statistical analysis.

根据实验的实际情况,适宜制备小鼠4-细胞期胚胎单卵裂球染色体标本的秋水仙素的处理浓度和时间是0.6μg/ml和6小时。2、在确定秋水仙素不同处理浓度和时间对小鼠8-细胞期胚胎单卵裂球中期分裂相数影响的实验中,经统计分析,阻断培养2小时组中四个浓度组差异均不显著;阻断培养4小时组中0.2μg/ml浓度组与其他三组差异显著;阻断培养6小时组中四个浓度组差异均不显著;阻断培养8小时组中0.4μg/ml浓度组与其他三组差异显著(P<0.05)。

So we selected thevinblastine optimum parameters were 0.1μg/ml and 8 hour cultured duration.The fourth, there were significantly differences percent between 10 hourgroups and other three groups in 0.1μg/ml groups; and there were no significantlydifferences between 8 hour groups and 10 hour groups, but they had significantlydifferences among other two groups in 0.3μg/ml groups; and there weresignificantly differences between 10 hour groups and other three hour groups in0.5μg/ml groups; and there were significantly differences between 10 hour groupsand other three groups in 0.7μg/ml groups on the metaphases (P<0.05), in theexperiment of the effect on the mouse 8- cell embryo stage single blastomere ofvinblastine with different concentrations and duration, by x~2 statistical analysis.

根据实验的实际情况,适宜制备小鼠4-细胞期胚胎单卵裂球染色体标本的长春花碱的处理浓度和时间是0.1μg/ml和8小时。4、在确定长春花碱不同处理浓度和时间对小鼠8-细胞期胚胎单卵裂球中期分裂相数影响的实验中,经统计分析,阻断培养0.1μg/ml浓度组中10小时组与其他三组差异显著;阻断培养0.3μg/ml浓度组中8小时组和10小时组间差异不显著,但与其他两组差异显著;阻断培养0.5μg/ml浓度组中10小时组与其他三组差异显著;阻断培养0.7μg/ml浓度组中10小时组与其他三组差异显著(P<0.05)。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。