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To characterize the distribution of blood pressure, prevalence, and risk factors for hypertension in pediatric chronic kidney disease, we conducted a cross-sectional analysis of baseline BPs in 432 children (mean age 11 years; 60% male; mean glomerular filtration rate 44 mL/min per 1.73 m2) enrolled in the Chronic Kidney Disease in Children cohort study. BPs were obtained using an aneroid sphygmomanometer.

为了描绘血压的分布,流行和引儿童慢性肾功能不全引起的高血压的危险因子,我们对432名患有慢性肾功能不全的儿童的血压进行了一项有代表性的配伍研究(平均年龄为11岁,60%为男性,平均肾小球滤过率为44ml/min1.73m2)血压的测量是利用无水银血压计进行的,而肾小球滤过率则是根据碘海醇的清除率来测定。

The selection of geological prospecting in different stages(initial-prospecting, detailed-prospecting)(2)the selection of geological prospecting in the deep-laid and shallow-laid of tunnel project (3)the selection of geological prospecting of tunnel projecting in different geological conditions Finally, the author summed up main problems needing to be solved in tunnel engineering geological prospecting as follow:(1)differentiate stratum and find out the depth and thickness of different stratums in the tunnel section (2)find out geological structure and existence situation of fault, broken zone and weak plane (3)find out weathering level of bed rock to classify surrounding rock combining speed materials (4)differentiate stratum structure of the entrance of tunnel to judge the stability of it (5)find out existence situation and performance of ground water (6)situations of other harmful geological phenomenon In view of above problems and classification of surrounding rock, the author showed principles of rational choosing of methods in geological prospecting and counted disperse range of physical character parameter value in different petrosal character, getting achievements as follow:(1)summarization of effect, merits and demerits of different geological prospecting methods in the tunnel geological investigation (2)method selection and arrangement principle of tunnel engineering geological prospecting in different geological conditions and prospecting stages (3)According to previous experience and cases, the author concluded the物性parameters most in use ,and showed the basis of selecting geological prospecting methods in different geological conditions.

论文中用几个应用实例来说明:(1)不同勘察阶段物探工作的选用;(2)深埋、浅埋隧道工程物探工作的选用;(3)不同地质条件隧道工程物探工作的选用。最后总结归纳出隧道工程物探所需要解决的问题主要有:(1)划分地层,查明隧道通过剖面的各地层深度与厚度。(2)查明地质构造,隧道轴线段有无断层、破碎带、软弱层面等。(3)查明基岩风化程度,从而结合速度资料进行围岩分级。(4)划分洞口地层结构,判断洞口稳定性。(5)查明地下水赋存情况及其活动动态。(6)其他不良地质现象存在情况。针对上述需要查明的地质问题与计算围岩分级情况,论文提出合理选用物探方法的原则,并统计了物性参数值在不同岩性中的分布范围。得出以下研究成果:(1)总结出各物探方法在隧道地质调查中的作用和优缺点。(2)得出不同地质条件下和不同勘察阶段,隧道工程物探方法选择和布置的原则。(3)根据以往工作经验和事例,对常用的物性参数进行了归纳总结,同时介绍了不同地质条件下物探方法选择的依据。

On the basis of the kinetic equation of substrate reaction in the presence of urea or guanidine hydrochloride, all microscopic kinetic constants for the free enzyme and enzyme-substrate binary and ternary complexes have been determined. The results of the present studies indicate that:①In the presence of urea or guanidine hydrochloride, enzyme-substrate complexes lose their activity less rapidly than the free enzyme. Therefore, both substrates, NADPH and 7, 8-dihydrofolate, protect dihydrofolate reductase against inactivation.②The denaturation of dihydrofolate reductase by urea follows single-phase kinetics, and changes in enzyme activity and tertiary structure proceed simultaneously in the unfolding process, so it may be an"all or none"process.③The GdnHCl-induced unfolding of the dihydrofolate shows a biphasic transition, while the change in the enzyme activity is a single exponential process. The rate constant of inactivation is consistent with that of the fast conformational change. Therefore, the kinetic intermediate of protein unfolding should be a partially folded and inactive form.

我们根据在脲或盐酸胍存在下的底物反应动力学方程求得游离酶和酶底物二元、三元复合物的微观动力学常数,结果表明:①酶-底物二元、三元复合物的失活速度明显慢于游离酶,说明两个底物二氢叶酸和NADPH对酶的失活都具有一定程度的保护作用;②在脲作用下,酶的失活和构象变化均为单指数项过程,而且酶的活力丧失和三级结构变化是同时发生的,说明二氢叶酸还原酶的脲变性可能是一个"全或无"的两态过程;③在盐酸胍作用下,酶的构象变化为两相过程,而失活则是单指数项过程,酶分子构象变化的快相速度常数与失活速度常数基本一致,因此我们认为二氢叶酸还原酶的盐酸胍变性过程中存在一个没有活力、但仍具备一定空间结构的变性中间体。

Compared with 810S,the total photosynthetic pigment content of Biao 810S was aabout 50%lower;which was the main cause of the yellow green leaf.2、The spikelet numbers,stigma exsertion rate and flowering time of Biao 810S were same as that of 810S.There were no significant difference of the agronomic traits between the the cross combination which came from the maintainers D100 and R96-1 and the combination from 810S.3、The photosynthetic rate of Biao810S was higher than 810S under strong light and lower under weak light.

叶绿素含量下降是标810S叶片呈淡黄绿叶色的根本原因。2、标810S的颖花数、柱头外露率和开花时间与对照基本相当,与恢复系D100和R96-1配制的杂交组合农艺性状与用810S配制的相应推广组合无明显差异,表明标810S可替代810S应用于两系杂交水稻,其淡黄绿叶色性状可应用于杂交制种田的不育系群体除杂,同时可根据幼苗期淡黄绿叶色性状植株的比例用于鉴定杂交组合中不育系的混杂率。3、弱光条件下标810S的光合速率低于810S,强光条件下标810S光合速率比对照高,且标810S在光强2400μmol·m~(-2)·s~(-1)以下没有光饱和点和"午休"现象。

Designers at Inovaxion present the Woodstation:" human-sized French company, INOVAXION, and a high-quality Chinese factory, AEROTIME, When you get close to the WoodStation?, a movement sensor will detect you and will automatically the product's screen through the wood to give you information.… based on coloured luminous icons given through the wood screen and activated by a simple motion of the hand. In lighted mode, this powerful device will track fluctuations of barometric pressure, indoor relative temperature and indoor relative hygrometry data to provide you the weather forecast 12 to 24 hours in advance. The product also manages Hour, Calendar and Alarm clock functions. Big colored icons show sunny - partly cloudy - cloudy - rainy / snowy and stormy. Hour, Calendar, and Alarm clock are shown in red. This practical and useful product is suitable for both A/C Adaptor and batteries, which gives you the option to show it everywhere."

WoodStation有枫木和核桃木两种材质,额头上有一个探头,平时,它那拉长的马脸就像块木头疙瘩(当然,人家本身就是木头疙瘩……),面无表情,但是,一旦你用手在探头前晃一晃,那张脸马上就活跃了起来,包括时间、日历、温度和湿度等信息会魔法般瞬间浮现在木头上,而且即便是在太阳光直射的情况下,所有读数都清晰可见——根据一些未经证实的第三方资料,这种显示并不是在木头背后埋LED那么没有技术含量,而是某种特别的涂层,相当是马脸的面膜~更赞的是,这些数据不是为显示而显示,它还能分析这些数据,并用直观的图形化方式给出未来24小时的天气预报!

Due to the problems existing in simulation on physical model of fire, such as heavy calculation, high complexity and difficulty in real-time simulation, a new real-time simulation method was raised based on fluid model and GPU acceleration. This method, based on the physical characteristics of fire, such as incompressibility, low density and inviscid, used the fluid equations to calculate the properties of fire. Then by accelerating this method through GPU, the real-time simulation of fire was realized and a realistic effect was achieved.

针对目前基于物理模型模拟火焰的计算量大、复杂度高,很难进行实时模拟的问题,提出了一种基于流体模型和GPU加速的火焰实时模拟方法,该方法根据火焰的不可压缩、低密度、无粘性等特点,通过流体方程计算火焰的物理属性,并将其求解过程在GPU中并行加速,从而大幅度提高了算法的运算速度,实现了火焰的实时模拟,并取得了较真实的模拟效果。

By the distribution of petroleum by-products, the main species include: petroleum coke, asphalt, sulfur, paraffin, fuel oil, solvent oil, 90 # automotive unleaded gasoline, 180 # air scrubber Friends, 0 # diesel oil, since each type of product models many not to introduce them one by one (we can according to customer's specific requirements for ordering) to establish a stable market network is our goal, but also aims to target customers provide the necessary products, we will ensure ample supply and low prices.

石油焦 、沥青、硫磺、石蜡、燃料油、溶剂油、90#车用无铅汽油、180#航空洗涤友,0#柴油等,由于每类产品的型号众多,暂不一一介绍(我们完全可以根据客户的具体要求订购)建立稳定的市场网络是我们的目标,更旨在为目标客户提供所需的产品,我们将保证货源充足,价格低廉。

Fisrt of all , It introduces the matheds and steps of using MATLAB to solve algebra Riccati equation ; Secondly , It is the design of autopilot schemes of three channels ; And in the end , the most important is the simulation of control system making use of software Simulink of MATLAB , and according to the curves , this thesis compares the two working estates and judge the stabliziation of control system .

文章首先介绍了利用MATLAB软件求解代数Riccati方程的方法及步骤;然后分别设计了三个通道的自动驾驶仪;最后,利用MATLAB的Simulink对所设计的控制系统进行仿真,并根据所得到的曲线,对比有无自动驾驶仪两种工作状态下的系统稳定情况。

Statistical data of VEGF grading scores showed that its expression was not significantly related to the size and location of glioma, sex, and age of patients, but closely related to the glioma gradings. The expression of TF was positively correlated with that of VEGF, suggesting that TF might participate in the anigogenesis of gliomas, and provide proper environment for the growth of gliomas through its coagulant effect.

根据VEGF分级计数统计学分析,显示VEGF表达与肿瘤的大小、部位及患者性别、发病年龄等临床因素无显著相关性,而与肿瘤的组织学分级密切相关。3、胶质细胞瘤中TF与VEGF的表达正相关,TF可能参与了肿瘤血管的生成过程,并通过其促凝血活性作用为胶质瘤的生长创造适宜的内环境。

The design principle of the laser receiver with wide FOV for the laser command guidance and laser-beam riding guidance is introduced. A mathematic model of receiving light field is presented. The formula for the viewing angle of the detecting optical system was derived according to the diffraction light field of the oblique incidence parallel light. Taking a detecting optical system with the collecting objective for example, the design characteristic that the receiving optical system needs not only an extra large relative aperture but also an unvignetting receiving performance is discussed on the premise of meeting the requirement of 1064nm WFOV laser receiver.

介绍激光指令制导和激光驾束制导的大视场激光接收机的设计原理,给出接收光场的数学模型,由斜入射平行光的衍射光场推出探测光学系统的视场角公式,根据1064nm大视场激光接收机技术要求,以聚光物镜型探测光学系统为例,探讨接收光学系统既须具备特大相对孔径,又须具备无晕接收性能的设计特点,采用窄带干涉滤光镜进行光学滤波降噪。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

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The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.

中文摘要:几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher