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1)  endoreic lake
内流湖
2)  flows-in lake basin
内流湖盆
1.
The physical geography environment,the forming and distributing of the water resource in Ali area of Tibet are analyzed,basing on the difference of the groundwater resource forming environment,the water circulation system can be divided into alluvium and diluvium groundwater of rivervale in south and flows-in lake basin groundwater in north.
分析了西藏阿里地区自然地理环境、水资源形成和分布及其利用状况,基于区内地下水资源形成环境条件的差异,本区地下水资源体系可分为南部河谷冲洪积层地下水系统和北部内流湖盆地下水系统。
3)  Inner Lake
内湖
1.
The Inner Lake in Zhenjiang City was taken as an research area.
以镇江内湖为例,基于洪、枯两季典型全日潮野外同步实测结果,运用灰色系统理论,定量计算了内湖水体透明度与相关环境因子的灰关联度,分析研究了不同时间尺度下内湖透明度的主要影响因子。
2.
Through comparative analysis of cage fish culture effects, the paper proved that the fish species that have high request for water quality can suit for river cage fish-culture and that the fish species that can endure low level oxygen can suit for rich inner lake fish culture.
通过网箱养殖效果的比较分析 ,证实对水质要求较高的鱼种适合江河网箱养殖 ,而耐低氧的鱼类 ,则适合肥沃的内湖养
4)  current [英]['kʌrənt]  [美]['kɝənt]
湖流
1.
Current Circulation Pattern in Winter Meiliang Bay,Lake Taihu;
太湖梅梁湾冬季湖流特征
2.
Based on the observed data about current,wave and chemistry in Lake Taihu,calculations of wave stress and current stress were conducted with a conclusion that sediment resuspension mainly results from disturbance caused by wind forcing.
基于有关太湖湖流、波浪和水化学指标的实测资料,对太湖中由于风强迫作用和底层湖流分别产生的湖底切应力进行了计算,发现二者之间量级相差很大,得出了在风扰动情况下,由于波动而产生的湖底切应力对沉积物的再悬浮起着主导作用的结论,并估算了其临界值。
3.
Numerical experiments on the influences of inlet and outlet flow on lake current was conducted by means of the 3-D hydrodynamic sub-model of EcoTaihu Model on a man-made Lake Zhuhu.
本文利用EcoTaihu三维生态模型中的三维水动力学模型,开展了典型背景风场、多个吞吐流量条件下的湖流数值试验,分析比较流场达到稳定状态时。
5)  lake current
湖流
1.
Preliminary analysis on measurement results, lake current distribution for Gong lake and Meiliang lake, influence of wind field on lake current and fluid field change in special region and place are conducted based on description about lake current monitoring for Gong lake and Meiliang lake.
在介绍贡湖与梅梁湖湖流监测工作情况的基础上,对湖流测验结果进行了初步分析,分析了贡湖、梅梁湖湖流分布状况,风场对湖流的影响,特殊区域和位置的流场变化,得出以下结论:联合引调工程,改善了两湖水体的流动状态,特别是在梅梁湖泵站调水情况下,湖区流速明显增加,这一流动状态对贡湖取水口和梅梁湖水源地的水质改善是非常有利的。
6)  inland lakes
内陆湖泊
1.
Starting with the opinion on the variation of climate and environment, it comments and introduces the current situation of the research on forecast of variation of water level of inland lakes affecting the safety of railway operation, and forecasts the future work as well.
本文从气候和环境变化的观点着手,对威胁铁路安全运营的达布逊湖等内陆湖泊水位变化预测的研究现状加以评述,并对今后的工作予以展望。
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
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