In this paper, the SEIR model with this saturating contact rate is studied.
在这个文件中,这个饱和接触率的SEIR模型进行了研究。
A code distribution model is proposed in this paper for Delay Tolerant Mobile Sensor Network (DT-MSN) with variable contact rate.
提出一种不等接触率容延迟移动传感器网络(DT - MSN)的代码分发模型。
In the first section, the SEI epidemic model with a general contact rate and infectious force in the latent period is investigated.
第一部分研究了具有一般形式接触率潜伏期有传染力的SEI模型。
The dynamic behavior of a kind of SIR epidemiological model with general nonlinear saturated contact rate is considered under vaccination.
研究了一类预防接种情况下具有一般非线性饱和接触率SIR流行病模型动力学性态。
After 6 weeks of implantation, the implant bone contact rate and bone density in the LV-LRP5 group were lower than those in the blank group.
种植体植入6周后,空白组种植体与新骨之间的接触较广泛,而LV- LRP5组种植体与新骨之间的接触较局限。
We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
But the Columbian Exchange, like a biological Internet, has put every part of the natural world in contact with every other, refashioning it, for better or worse, at a staggering rate.
但是哥伦布交换就像一张生物互联网一样,不管结果好坏,都会以一种难以置信的速度让自然世界的每一部分与其它的部分接触并获得新生。
The low rate of transmission to persons with casual contact suggests that aerosol transmission via the respiratory tract is not efficient, if it occurs at all.
偶然接触者的低传播率表明,如果确实发生,经过呼吸道的空气传播是无效的。
Now, scientists report that they've created a contact lens that can deliver a high concentration of antibiotic at a constant rate for more than 30 days.
目前,科学家报告称他们已经创造出了一种隐形镜片,它能以固定速度持续释放高浓度抗生素超过30天。
His heart rate soars - it may even stop - and his body swells if he comes into contact with the chemical, known as polyethylene glycol.
只要一接触到聚乙二醇这样的化学物质,他就会出现心跳加速——甚至都要停止的地步,而且还有全身肿胀的现象。
The battery-maker's dilemma is that the recharging rate depends on the area of contact between electrolyte and electrode.
让蓄电池制造商左右为难的是,充电的速度取决于电解质与电极之间接触的面积。
Reading material more, lexical repetition rate is higher, so that each contact time, mind memory is more deepen one, at the same time, to learn the vocabulary and language phenomena have been met.
阅读的材料越多,词汇的复现率就越高,这样每多接触一次,脑子里的记忆就多加深一层,同时,对未学过的词汇和语言现象也有了初次认识。
In the default model the friction coefficient is defined as afunction of the equivalent slip rate and contact pressure.
在默认模型里,定义摩擦系数为等效滑移率和接触压力的函数。
If you have specially negotiated rates, contact your UPS account executive for a rate quote.
如果您有特别协商的费率,请联络您的UPS客户主管以获得费率报价。
During the first and second trimesters of her mother's pregnancy the neurons began to reach tentacles out to each other, establishing synapses-points of contact-at a rate of two million a second.
在她母亲怀孕的第一个三月和第二个三月期间,细胞的触须会相互联结到一起,形成突触——联结点——以每秒200万的速率。
I think out For users of the system and agents in contact accuracy rate is very low.
针对于系统中用户的联系方式及代理商的联系方式准确率极低。
This contact has improved the survival rate of premature babies.
这种亲密接触能增加早产儿的存活率。
It has good properties of palladium coating, such as bright surface, high glisten rate, low contact resistance, high rigidity, antifriction, anticorrosion and so on.
利用本工艺电镀能得到性能优良的钯镀层,如外观白亮、反光率高、接触电阻小、硬度高、耐磨、耐蚀等优点。
While giving other parameters, wear rate increases along with the increase of contact area.
当其余各影响参数保持一定值时,磨损率随接触面积的增大而增大。
Many properties of material were tested, such as mechanical property, surface water contact Angle, water absorption rate, infrared spectrum and ESCA analysis.
测试了材料的力学性能、表面接触角、吸水率,同时对材料进行了表面电子能谱(esca)分析。
The specific wear rate is strongly dependent on the temperature, atmosphere and contact pressure.
比磨损率也与温度、气氛和接触压力密切相关。
The influences of the sputtering power on deposition rate, film structure, and contact performance of the film prepared on CdZnTe substrate have been investigated.
系统地研究了溅射功率对沉积速率、薄膜结构、组织形貌及接触性能的影响。
It must improve the regularity of the present cupreous alloys in order to reduce the rate of contact loss and make its quality reaches up to the level of excellent overseas congeneric product.
另外,对现有的银铜类合金接触线应改善它的平直度,以降低离线率,使质量达到国外同类先进产品的水平。
The deposit rate of the ta film for efficiently obstructing the contact of si and Cu was also got.
本研究还得到了能有效阻挡铜硅接触的钽膜的淀积速率。
By analyzing the contact area between the Upper Die and cylindrical solid workpiece during Orbital Forming process, an approximate formula for calculating the contact area rate is proposed.
通过对摆辗加工中摆头与圆柱实心工件接触面积的分析,给出了计算其接触面积率的近似公式。
The feasibility of measuring the mechanical property of material in the mid strain rate condition with the non contact photoelectric detecting technology is verified by experimental results.
试验结果验证了采用非接触式光电检测技术测量中应变率材料力学性能的可行性。
The results show that removal rate of LAS can be increased from 65 % to 80 % through the two-step enhanced biological contact oxidation system.
试验结果表明,经强化LAS降解作用的二段生物接触氧化系统LAS去除率可由65%提高到80%以上。
ConclusionHp has an extremely high infection rate and is disseminated by mouth - mouth, excrement - mouth and intimate contact, therefore, prevention is very important to it.
结论幽门螺杆菌的感染率极高,它通过口—口、粪—口和密切接触传播,因此预防十分重要。
The contact electric resistance of the power supply electrode is in direct proportion to earth electric resistance rate, and in relation to the diameter of the electrode and the depth of the earth.
供电电极的接触电阻与大地的电阻率成正比,与电极的粗细及入土深度有关。
The contact electric resistance of the power supply electrode is in direct proportion to earth electric resistance rate, and in relation to the diameter of the electrode and the depth of the earth.
供电电极的接触电阻与大地的电阻率成正比,与电极的粗细及入土深度有关。
应用推荐