The new H and N surface proteins mean most people do not have antibodies to the virus, allowing it to go pandemic.
新H和N表面蛋白这意味着多数人对这病毒没有抗体，使其得以流行。
One is called the S-N curve of surface fracture mode. It is governed by a crystal slip on the specimen surface, which occurs in the region of short fatigue life and high stress amplitude level.
一组叫做表面破坏模式的S-N曲线，它发生在高应力幅短寿命区，是由试样表面晶体滑移引起的。
VMS is the standard naval electronic chart display and information system (ECDIS-N), which is being deployed across the Navy's fleet of surface ships and submarines.
VMS系统是标准的海军电子海图显示和信息系统(ECDIS - N)，正部署在整个海军的水面舰艇和潜艇舰队。
So, remember, when we set up the divergence theorem, we need the normal vectors to point out of our region, which means that on the top surface, n But, on the bottom face, we want n pointing down.
当我们建立散度定理时，我们要使法向量指向区域外，即在上表面时，要指向上方。，we，want，n，pointing，up。,但是，在下表面，要使n指向下面。
The electron- ics of the C atom and the N atom on the coal surface amino transfer to oxygen atom in the oxygen molecule.
煤表面氨基上的C原子和N原子的电子向氧分子中的氧原子转移。
So if you have some region of space S and you call its boundary surface S and you let n be the normal vector that goes out of the region R.
如果存在一些区域空间,边界为曲面,定义n为指向区域R外的法向量。
The surface layer consists of oxide, sulphide and N, C compound.
表层由氧化物、硫化物和氮（碳）化合物组成；
Even with the attenuation factor blending into our lighting equation, still, the maximum amount of light a surface receives is (N. L).
虽然我们已在光照方程式中加入了混合衰减因子，但是还需要表面的最大值光照数量。
The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
碳氮共渗工艺选择不当，共渗层过深，表面出现壳状碳氮化合物、内氧化等缺陷组织是造成其断裂的主要原因。
The hydrodynamic lubrication performance of rectangle, inclined plane, circular-arc, triangle, multi-arc and sine surface texture was researched with CFD method based on N-S equation.
采用基于N - S方程的CFD方法，研究矩形、斜面台阶形、圆弧形、三角形、多圆弧形以及正弦形织构表面的动压润滑性能。
Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明，包膜尿素在基施情况下，田面水总氮浓度始终接近对照水平，通过径流损失的可能性很小。
The S-N curves for internal fracture mode are not affected by surface conditions, which is an inherent characteristic of the material.
内部破坏模式的S - N曲线不受表面条件的影响，是材料固有的特性。
The boundary layer flow control using dielectric barrier surface discharge plasma is simulated using Poisson's equation, drift-diffusion model and N-S equations.
使用泊松方程、漂移扩散模型和N—S方程对介质阻隔面放电等离子体控制边界层流动进行了一体化数值模拟。
The solar cell includes N-type crystalline silicon particles (01), aluminum substrate (02), middle insulating layer (05), surface transparent conductive layer (06) and antireflection layer (07).
包括N型体晶硅体颗粒（01），铝衬底 （02），中间绝缘层（05），表面透明导电层（06）和减反射层（07）构成。
All development wells of liwa n will be permanently installed with surface direct-reading subsurface pressure gauge and thermometer to support gas reservoir management and production optimization.
荔湾所有的开发井都将安装永久式的地面直读井下压力和温度计，为气藏管理和生产优化提供支持。
Skid n. The act of sliding or slipping over a surface, often sideways.
打滑，滑行从表面，经常是小路上滑过或滑落的动作。
The production, demonstrated that N-application on the leaf surface could relax the supplying-demanding relation in soybean flowering period.
生产验证叶面给氮可以缓解大豆花荚期氮素供需之间的矛盾。
Anatase TiO 2 particles were prepared on viscose-based activated carbon fiber (ACF) felts surface via sol-gel method with tetra-n-butyl titanate as precursor and characterized by XRD and SEM.
采用钛酸四正丁酯为原料，用溶胶-凝胶法在粘胶基活性炭纤维(A CF)毡表面制备了锐钛矿型的二氧化钛粒子，并用XRD, SEM进行了表征。
The results of XPS and AES analyses showed that on tinplate surface an anticorrosive coordination compound film of laurylamine was formed, and N atoms in laurylamine molecule were coordinated with Sn.
XPS和AES分析结果表明，月桂胺中的氮与锡表面发生配位作用并在锡表面形成耐蚀性保护膜。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
The solar cells include a substrate having a light collecting surface thereon and a P-N rectifying junction within the substrate.
太阳能电池包括基板，该基板具有在其上的光收集表面以及在该基板内的P-N整流结。
The influence of preparation conditions such as activated temperature and time on yield, specific surface area and adsorption behavior towards n-butane thiol was studied.
研究了聚丙烯腈基活性碳纤维的制备条件，如活化温度、活化时间对产品收率、比表面积及对正丁硫醇吸附与脱除性能的影响。
The concentration of nitrate-N increased continuously in soil surface, which resulted in nitrate leaching to groundwater after rewetting.
土表的硝态氮浓度不断增加，烤田增大了复水后硝态氮向地下水淋溶的趋势。
This test has been shown that the hardness and the anti-corrosion properties of the Ta-surface will be greatly improved by use of the N-ion implantation.
实验研究证实，通过氮离子注入的方法对钽基材进行表面强化，可大大提高钽材的表层硬度及耐蚀性能。
In this paper, it has been shown that the hardness and the anti-corrosion properties of the Ta-surface will be greatly improved by use of the N-ion implantation.
实验研究证实，通过氮离子注入的方法对钽基材进行表面强化，可大大提高钽村的表层硬度及耐蚀性能。
N5+ in NO3- on the surface of the film is deoxidized into N in amine, and N in amine disappear after calcination.
研究发现，吸附在膜上的NO3-中的N5+被还原成胺类低价态的N，焙烧后该类氮化物中的N消失。
Therefore, generating a Parametric G n Blending Surface between two base surfaces is translated into generating a Parametric G n Blending Surface between the two reparameterized local base surfaces.
这样将两基曲面间构造过渡曲面的问题转化为在重新参数化局部基曲面间构造过渡曲面。
The esterified white carbon has been prepared by the reaction between the surface hydroxyl groups of white carbon and n-heptanol or n-octanol.
本文利用正庚醇或正辛醇与白炭黑表面羟基反应制备了酯化白炭黑。
Rutherford backscattering spectrometry (RBS) demonstrates that the concentration of Fe or N atoms varies gradually from the substrate to the surface through the whole thickness of the films.
卢瑟福背散射分析结果表明，铁、氮两种原子的密度沿膜厚度方向呈梯度变化。
The influences of process parameters on the surface morphology of the (Ti, Al)N super hard films are studied.
采用多弧离子镀技术沉积氮化钛铝超硬反应膜。
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