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First, the S-CDMA-HFC system with integrated traffic is introduced and the method of traffic integration is given. Second, the upstream channel capacity of the S-CDMA-HFC system with integrated traffic that has the same rate is analyzed. The chronoff limit and Gaussian approximate equation of the upstream channel cutoff probability are derived. Third, the impact of the selection of the line transmission rate on the upstream channel capacity of the S-CDMA-HFC system with integrated traffic is discussed in detail. The cutoff probability and throughout equations of the upstream channel with different integrated traffic are derived. Fourth, the impact of the power control error on the capacity is discussed. Results show that the power control error will degrade the upstream channel capacity and have different influence on the different traffic. Finally, the capacity requirement of the initialization process is raised. Analytical results show that the initialization process will impact on the capacity slightly.

首先,简单介绍了综合业务S-CDMA-HFC系统,给出了业务综合的方法;然后,分析了具有相同码率的综合业务条件下的S-CDMA-HFC系统上行信道容量,导出上行信道中断概率的切尔诺夫上限和高斯近似公式;然后,详细讨论了基本传输速率的选择对综合业务S-CDMA-HFC系统上行信道容量的影响,导出了不同业务综合条件下上行信道的中断概率和吞吐量公式;然后,讨论了功率控制误差对综合业务S-CDMA-HFC系统上行信道容量的影响,结果表明功率控制误差会使上行信道容量下降,且对不同业务的影响程度是不同的;最后给出了初始接入的容量要求,分析结果表明初始接入将对综合业务S-CDMA-HFC系统上行容量带来影响,但不明显。

At the heavy metal concentration of 3-4ppm, our study on adsorption capacity, adsorption selectivity of montmorillonite, illite and kaolinite to Cu〓、 Pb〓、 Zn〓、 Cd〓、 Cr〓 shows that the adsorption capacity is mainly determined by the capacity of exchangeable cations and the adsorption capacity of the three clay minerals decreases in this sequence: montmorillonite >> illite>kaolinite. It is found that clay minerals have obvious adsorption selectivity to various heavy metals. Montmorillonite exhibits a stronger affinity to Cr〓 and Cu〓 while kaolinite and illite sorb Cr〓 and Pb〓 more effectively. At the same heavy metal concentration, adsorption amount of clay minerals to heavy metals increase with increasing pH value of the solution.

在痕量浓度下,研究了蒙脱石、伊利石、高岭石三种粘土矿物对Cu〓、Pb〓、Zn〓、Cd〓、Cr〓五种重金属离子的吸附容量、吸附选择性及其介质条件对吸附量的影响,结果表明,粘土矿物的阳离子交换容量越大,对重金属离子的吸附容量也越大,其大小顺序为蒙脱石>>伊利石>高岭石;同时,不同粘土矿物对重金属离子具有明显的吸附选择性,蒙脱石对Cr〓和Cu〓有较好的选择性,伊利石和高岭石则对Cr〓和Pb〓有较好的选择性;随着吸附溶液pH值的增大,其吸附量有增加的趋势。

Results show that acid value of carboxylic wood powder from alkaline hydrolysis is higher,but its yield is lower than that from acid hydrolysis. The adsorption capacity of carboxylic wood powder for basic pink dye increased with increase of the initial concentration of the adsorbate,and could be kept over 500mg/g after repeated use and regeneration for 4 times.

实验结果表明:(1)在适量引发剂(FeSO4 * 7H2O=1g)和适当温度(60℃)作用下,可得到较高接枝增量和接枝率的PANW;(2)在PANW的水解反应中,在碱性催化剂作用下,可得到羧基含量高的产物,但收率较低;而在酸性催化剂作用下,则得到羧基含量低的产物,但收率较高;(3)羧基木粉对阳离子型染料--碱性桃红的吸附容量与起始浓度有关,本实验中,羧基木粉对碱性桃红的吸附容量最高可达500mg/g,对Cu2+的吸附容量最高可达39mg/g;(4)经0.3mol/LHCl再生4次后,羧基木粉对碱性桃红的吸附容量保持在440mg/g以上,在含有多种金属离子的溶液中,羧基木粉优先吸附Fe3+等硬酸型离子。

Themorbidity and mortality were zero in group N.

随机以 10 头猪为治疗组,先予失血性休克、复苏再灌注和内毒素打击,方法同 MODS 组;在内毒素滴注完 1 小时后,即进行高容量血液滤过,超滤量为 3L/h,每天持续 12 小时,连续3天;每次更换滤器。7 天后杀死存活动物。

Longer life, to keep open the table cover, the replacement of batteries, will affect the form of sealing performance, therefore, require higher-capacity battery.

更长的寿命,保持打开表盖,更换电池,会影响密封性能的形式,因此需要更高容量的电池。

Li-Ion is rapidly becoming the chemistry of choice for portable applications because of its high capacity-to-size ratio and a low self discharge characteristic.

锂离子电池正迅速成为化学便携式应用的选择,因为它的高容量的大小比例和低自放电特性。

High-capacity universal joints are used in the drive line to accommodate the available power of the engines.

高容量万向节中使用的驱动器产品线,以适应发动机的可用功率。

The round also has a small diameter (it can almost be described as a scaled down .223 Remington ), allowing for high capacity in a very small magazine.

圆圆的,也有一小直径(几乎可以说是一个缩小0.223雷明顿),允许高容量,在一个很小的弹夹。

Jenny Craig is pushing Volumetrics, a high-volume, low-calorie strategy.And everyone gives a thumbs-down to processed and sugary carbohydrates, which cause insulin to spike and can lead to more fat and even diabetes.

珍妮克雷格正在推动一个高容量,低热量的体积光效果战略,每个人都反对熟的含糖的碳水化合物,他们这样做会导致胰岛素上升,并可能产生更多的脂肪,甚至引发糖尿病。

HHD is a better selection for hemodilution and is good for protection of lung. Lung water,extravascular;Kidney transplantation,Donor;Laparoscopy

不同的血液稀释状态对全麻腹腔镜活体肾移植供体围手术期血管外肺水产生不同的影响,静脉输注琥珀酰明胶20ml/时高容量血液稀释可产生良好的扩容效果,并且利于肺脏的保护。

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推荐网络例句

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

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。

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