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It was approved that the immobilized spherule had high biological activity, strength and mass transfer capability when PVA concentration was 9.0%, CA concentration was 1.0%,W/V was 1:1 and the cross linkage time was 24 hours.
在固定化实验中,通过正交实验对影响固定化细胞制备主要因素包埋剂、添加剂、包泥量以及交联时间进行条件分析,发现PVA作为固定化包埋剂的适宜包埋条件为:PVA浓度为9%、CA浓度为1.0%,包泥量为1:1、包埋时间为24h,包埋固定的小球具有较高的细菌活性,较好的强度及传质性能。
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Said she was special, because she was a blind; said she was special because she was able to use their own unique way, feel the breath of spring, touching the pulse of the spring, catch sight of spring; said she was special, because she is a bit blind, her own way of composing her own songs of life is!
说她特殊,是因为她是一位盲童;说她特殊,是因为她能够用自己独特的方式,感受春天的气息,触摸春天的脉搏,捕捉春天的踪影;说她特殊,因为她是一位盲童,她用自己的方式谱写着属于她自己的生命之歌!
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Results Defining the conditions of product technology:the temperature of killing germs was 121 ℃,the time of the killing germs was 30 minutes,the pH was 7.0 and the powder of stabling was Arab gum;and the contents of protein and vitamine E were higher and the content of fat was reasonable.
结果 确定了蚂蚁混悬液的稳定性最佳的工艺条件为:杀菌方式为121 ℃、30 min,pH值为7.0,悬浮稳定剂为阿拉伯胶,混悬液浓度为1.0%;此口服液中含有较高的蛋白质、维生素E,脂肪含量适中。
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According to structural characteristics of floating slab tracks, a track segment element was taken between two adjacent fasteners. For each element, rails were regarded as Euler beams supported by discrete viscoelastic supports. The fasteners and rubber supports were replaced by a linear spring and damp. So the vibration model of the floating slab track was established. In constructing vibration model of a metro train, each car of the metro train with two suspensions was modeled as a multi-rigid body system, in which rigid bodies were connected with each other by a linear spring and damp. Combining the potential energy of vertical vibration of the track with that of the metro train, the total potential energy of vertical vibration of the train and track was obtained. And then, the matrix equation of vertical vibration of the system was established using the principle of total potential energy with stationary value in elastic system dynamics and the "set-in-right-position" rule for formulating system matrices. The vibration responses of the system can be obtained by solving the matrix equation with the direct time integration such as Wilson-θ method.
摘 要:针对浮置板式轨道结构特点,取相邻2个扣件之间的轨道为1个轨段单元,钢轨视为连续弹性点支承Euler梁,浮置板视为弹性薄板,扣件系统及橡胶支座均模拟为线性弹簧及粘滞阻尼器,建立浮置板式轨道振动模型;将城轨列车中的车辆均离散为多刚体系统,各刚体之间通过线性弹簧及粘滞阻尼器相连,建立列车振动模型;将浮置板式轨道及列车振动势能叠加,得到系统竖向振动总势能;基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则,建立此系统竖向振动矩阵方程;采用Wilson-θ逐步积分法求解此矩阵方程,得出此系统竖向振动响应。
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Yellow-throated marten\'s relationship is between Stone marten and Fisher marten.Fisher marten is the first species who was divided from Martes.The second one were Yellow-throated marten and Stone marten.Based on the analysis of the fossil note,Martes came from Central Europe,Fisher marten,Yellow-throated marten and Stone marten belonged to a branch which evolved to temperate zone.Boreal forest martens was another branch which evolved to cold environment.It is suggested that Yellow-throated marten and Fisher martenwere ascertained genus separately.4、By contrasting and analyzing 11 complete mitochondrial control region gene sequences of Mustelidae,the extended termination associated sequence domain、the central domain and the conserved sequence block domain were identified.A extended termination associated sequence(ETAS1) and eight conserved sequence(CSB-F、E、D、C、B、1、2、3) was indicated,and sequence mode was presented.Different kind of short repeat sequences were found between CSB1 and CSB2.With wolf as the outgroup,the phylogenetic evolution relationship of Mustelidae was analyzed using the neighbor-joining method.
而基于鼬亚科动物线粒体DNA12种重链编码蛋白基因序列及石貂和渔貂线粒体ND2和cyt b全序列,以狼、狗獾和水獭为外类群,应用NJ、MP和ML法构分别构建貂属和貂熊的系统进化树,结果表明:紫貂与日本貂亲缘关系较美洲貂近,石貂与真貂亚属亲缘关系较近,黄喉貂介于石貂和渔貂之间;渔貂是最早从貂属分化出的种类,其次是黄喉貂和石貂;结合化石记录分析,貂属起源于中欧地区,渔貂、黄喉貂和石貂属于一个向温带进化的分支,而真貂亚属为另外一个向寒冷环境进化的分支,建议将黄喉貂和渔貂分别定为单独的属。4、比对并分析11种鼬科动物线粒体DNA控制区序列,识别出延长终止序列区、中央区和保守序列区3个区域,指出了一个终止相关序列ETAS1及8个保守序列(CSB-F、E、D、C、B、1、2和3),并给出了序列通式,在CSB1和CSB2之间发现具有不同形式的短串联重复序列。
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I remember The black sky streaking It was so cold, it was so cold, You held my hand, and said you loved me, I felt something, I felt something, I remember six years, It was a long time, it was a long time, I did not mind I was taken by you, I felt something, I felt something.
我记得黑色天空裸奔就这样冷,它是如此寒冷,你握着我的手,说你爱我,我觉得东西,我觉得,我记得六年,这是一个很长的时间,这是一个很长的时间,我真的不介意我被带到了你,我觉得东西,我觉得。
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The eco-physiological characteristics of drought endurance of Pinus sylvestris var.mongolica were studied under different climatic regions, soil water and leaf water condition.Furthemore,the response and adaptability of trees to water stress was done.The below showed the results. 1 The parameters of drought endurance of P. sylvestris var. mongolica was measure and studied by PV technology in the subhumid, semiarid and arid regions The results indicated the osmotic potentials at water saturation condition and at the initial loss turgor decreased as the climatic drought degree increased,and related linearly with the climatic moisture index.It was proved that the drought endurance of P. sylvetris var. mongolica was varible and the elevation of the osmotic adjust capability was a main way to the adaptation of trees to the drought climatic environment.
本文研究了樟子松(Pinus sylvestris var.mongolica)的主要耐旱生理生态特征在不同地区、不同土壤水分状况和叶水分状况下的变化,进而研究了樟子松对水分胁迫的反应和适应,结果如下: 1 应用 PV 技术对半湿润区、半干旱区和干旱区樟子松耐旱性指标测定研究指出,水饱和总体渗透势和初始失膨点总体渗透势随着气候干旱程度增加而增加,与气候湿度指标呈直线相关,证明了樟子松属于耐旱性可变的树种,渗透调节能力增加是其对干旱气候适应的主要途径。
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In order to design a scheme to quantify the observation and to get the fusion estimation from the received bits,the estimation fusion problem was changed into that of decision fusion.The interval was divided into subintervals,each subinterval was assigned a hypothesis,suitable cost coefficients of each hypothesis was selected to form the Bayes cost functional,and a mapping from estimation fusion to decision fusion was constructed.
采用将区间划分,每一区间形成一个假设,规定假设之间合适的损失系数,将估计融合问题化为决策融合问题,运用成熟的决策融合的方法,对于现在研究还不成熟的估计融合传感器量化问题设计了一个解决方案,将决策融合的决策结果作为最终的估计,从而在观测被量化的条件下达到较优的估计效果。
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The results show that the yield of compound 5 reached a maximum of 65% under the optimum reaction conditions, where the pH of the reaction medium was 3.8~4.0, the reaction temperature was 85~90 ℃, and the molar ratio of zinc powder to compound 1 was 2.6:1. The optimum oxidant for the selective oxidation of α-methyl on compound 5 was sulfuryl chloride, and the yield of the product was 52.5%.
结果表明,合成化合物5的最佳反应条件为:反应介质pH值为3.8~4.0,反应温度85~90℃,锌粉与反应物1之间的摩尔比2.6:1,产物收率达到65%;化合物5中α-甲基选择性氧化反应的最佳氧化剂为硫酰氯,产物收率达到52.5%。
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Data of tooth surface before and after wear were both obtained through laser scan system. The images were then reconstructed by SURFACER software.(2) C language program used of improved iterative closest point algorithms was developed to registrate imagines before and after wear. Standard plan was defined to the overlapped imagines after registration, then wear quantity was measured.¦ear was imitated by tooth brush machine which was made by STOMATOLOGY COLLEGE FORTH MILITARY MEDICAL UNIVERSITY.
应用三维激光扫描仪采集牙模型的表面数据,在计算机中用SURFACER逆向工程软件重建牙表面;②运用最近邻点迭代匹配算法加以改进,编制 C语言程序,配准磨耗前后的三维图像,在确定基准平面后,计算磨耗前后的体积变化量;③用口腔医院自制刷牙机进行模拟磨耗,用传统称重法,通过电子天平测试件的重量变化,用失水法计算测试材料的密度,换算成体积。
- 相关中文对照歌词
- When Everything Was What It Was
- Sun Was High (So Was I)
- Jesus Was Our Saviour And Cotton Was Our King
- Before There Was Atlanta, There Was Douglasville
- Phil Cosby (Before There Was Atlanta, There Was Douglasville)
- I Didn't Say I Was Powerful, I Said I Was A Wizard
- All I Was Looking For Was You
- Hò Bha Mi, Hé Bha Mi (Hò I Was, Hè I Was)
- The Moon Was Yellow (And The Night Was Young)
- Stella Was A Diver And She Was Always Down
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力