1) salinity field
盐度场
1.
five-field modules,including wave field module,tidal current field module,salinity field module,suspended field module and sea-bed siltation .
主模块包括五个子模块,即“五场”:波浪场数学模型软件、潮流场数学模型软件、盐度场数学模型软件、悬沙场数学模型软件和地形冲淤场数学模型软件;辅助模块包括前处理软件、后处理软件和动态显示制作软件。
2.
Mathematical models of "five-fields", which include 2-D multi-directional irregular wave field , 2-D tidal flow field taking into account wave and wave breaking, 2-D salinity field, 2-D suspended sediment field and seabed erosion and deposition field , are developed.
建立了海岸河口综合考虑多种因素的多向不规则波波浪场、考虑波浪及其破碎作用的二维潮流场、二维盐度场、二维悬沙场、底床冲淤场“五场”数学模型。
2) field of salinity predication
盐度场预测
3) in-site salinometer
现场盐度计
5) salt field
盐场
1.
In the Yuan Dynasty, there were about 173 sea salt fields, 5 pond salt production areas, 12 well salt fields administrated by Tea and Salt Transportation Department, 95 salt wells controlled by the government (excluding private salt wells in Qiongzhou, Shaoxifu, etc.
元代大约有173个海盐盐场,池盐产地5处,四川茶盐转运司所辖井盐盐场12个、官府所控制的大井95口(邛州、绍熙府等地私井尚未计算在内),云南有井盐产地4处,土盐产地有太原1处。
2.
There were 177 salt fields at that time,increasing 4 compared to those in the Yuan Dynasty.
明代海盐生产至少有177个盐场。
6) saltern
[英]['sɔ:ltən] [美]['sɔltɚn]
盐场
1.
Results showed that there were three species in the two salterns: Artemia franciscana,A.
对河北地区海丰盐场和王凤玉盐场的卤虫品系组成情况进行了分析,结果显示,由于人为引种及在虾蟹育苗中不同品系卤虫卵的不当使用,使得该地区卤虫由原来单一的孤雌生殖品系组成变为目前的本地孤雌生殖卤虫、两性生殖的旧金山卤虫(Artemia franciscana)以及中华卤虫(A。
2.
In this paper, multiplication techniques and development of the clam, Cycli na sinensis applied in saltern were studied, as well as related to the clam s morphology and construction, growth, season, size and constitution.
利用盐场原有设施，进行青蛤增养殖技术研究，并对青蛤生长、幼苗放养季节、规格、密度等做了系统研究。
3.
Based on the observational data of recent 41years from the weather station in Xuwen saltern of Guangdong Province,the climate characteristics of the saltern,the trend of main meteorological elements and their impacts on the sea salt production are analyzed in this paper.
根据徐闻盐场气象站近41年观测资料,对盐场的气候特征、主要气象要素的变化趋势及其对海盐产量的影响进行了分析。
补充资料：向量场的旋转度
向量场的旋转度
rotation of a vector field
向最场的旋转度【均‘打闭Ofa侧父tor 6dd;即灿姗e~Pltoro肋朋]，在一个平面上 向最场(从戈tor fie匕)的特征之一，它在同伦下是不变的.设X是Euclid平面EZ的区域G上的一个向量场，0是X与某固定方向之间的夹角二那么X白叨淀转度(m以沁n)就是当绕行一条闭定向曲线L C=E，(沿着L，X笋0)一周时，角a的增量除以2二.例如，如果L是一条CZ阶的光滑曲线，则沿L切于L(或法于L)的场T(或v)的旋转度等于L的全曲率(cuJ，atule)除以2川如果X是区域G(以aG为Jor(上In边界)上的(有或没有弧立奇点)的向量场，则X在刁G上的旋转度等于X在G的闭包中的奇点的指标(sin酗ar Point，汹北x of a).向量场的旋转度在不通过X的奇点的曲线L的同伦形变下保持不变. 推广由在一个n维流形M上在v的弧立点P处的向量场v的指标(i斑Jex ofa城戈tor field)的概念组成.它定义为从绕P点的小球面到单位球面的映射xl一，，(x)/}，(x)I的度(见映射度(由g优ofaTnapp吨”.它与Dd巴示性数(E田erd以raCteristic)有关.也见 Fbi侧习r‘定理(Poin(次三也印比m);价。-说ck改公式(E泣。优盛crfonnd巨). M.H.B动亩班x由cK成撰【补注】也见曲线的旋转度数(xotatjonn功mber)，它是曲线单位切向量场沿该曲线的旋转度.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条