查询词典 fresh water

The water quality should be in accordance with the regulation of 'water quality regulation for fresh water cultivation' during process of megalops larva growing into young crab; supplying fresh minced fish and pig blood for I claver crab; the animal bait before July and after September for young crab culturing is over 70%, and from July to September is over 90%.

在从大眼幼体经仔蟹长成幼蟹的过程中，培育池水质应符合《淡水养殖用水水质》的规定；I期仔蟹后喂新鲜的鱼糜加猪血，豆腐糜；幼蟹培育阶段的七月前、九月后动物性饵料占70％以上，七月至九月期间动物性饵料占90％以上。

Based on the drilling operation of 4 Wells, this article describes the basic characteristic of coalbed methane and technical difficulties in drilling. Some technical keys as borehole quality, fresh Water drilling,fresh water coring, coal-bed methane protection are solved through application of a series of techno1ogical measures such as optimization of rock bit, optimization of drill stem, optimization of drilling parameters and string coring and etc. The experimental performance, especially in fine-grained ...

本文以四口井的施工为例，着重介绍了煤层气井的特点，并指出了钻煤层气井的几个技术难点，通过钻头优选，钻具优选，钻井参数优选，绳索式取心技术等的现场实施和应用，基本解决了井身质量，清水钻井，清水绳索取心，煤层气保护等几个方面的技术难题，文中还介绍了使用中原油田自行设计的中原9508绳索取心工具的取心情况，尤其是在粉煤层地区的取心情况，这将为今后的煤层气开发打下坚实的基础。

Widely distributed in Central America of fresh water and salt waters, the United States for the main freshwater aquaculture species. 1999 U.S. freshwater aquaculture production accounted for about 81 percent of the large warm-water species of fish, fork spots to fish tail as the Ministry of Agriculture to promote the country's fresh water breeding improved varieties have a very obvious advantages: First of Table no scales no small thorn, processing convenience and the other is the quality and refine, nutrient-rich, easy to digest and absorb the third is of miscellaneous eating habits, fast-growing, high yield, strong adaptability and easy to keep the fourth character is tame, like cluster activities , High density of aquaculture, particularly the pond custody and cage culture Fifth Tansi, easy fishing, Youdiao suitable for the development of leisure industry.

广泛分布于美洲中部的淡水和咸水水域，为美国的主要淡水养殖的品种。1999年约占美国淡水养殖总产量的81%，该鱼种是大型温水性淡水鱼类，斑点叉尾回鱼作为农业部向全国推广的淡水养殖的优良品种具有很明显的优点：一是体表无鳞没有小刺，加工方便；二是内质细嫩，营养丰富，容易消化吸收；三是食性杂，生长快，产量高，适应性强，易于饲养；四是性格温顺，喜好集群活动，可以高密度的养殖，特别是池塘主养和网箱养殖；五是贪食，易垂钓，适合发展休闲游钓业。

And it is in fresh water basins that we find seven genera of Ganoid fishes, remnants of a once preponderant order: and in fresh water we find some of the most anomalous forms now known in the world as the Ornithorhynchus and Lepidosiren , which, like fossils, connect to a certain extent orders at present widely sundered in the natural scale.

从书中很陈旧的馆藏标签记录来看，这本书曾经收藏于中国科学社图书馆（Science Society of China Library）。"Rand McNally"公司印刷的《物种起源》共15章，分成两卷，但全书装订成一册。

The former began to migrate toward fresh water environment in late Cretaceous,but portion of them still remained in sea water till late Eocene;the latter began to migrate toward fresh water in Paleocene and lost its records in sea water.

前者在晚白垩世开始向淡水环境迁移，但仍有部分留在海水中，一直延续到晚始新世；后者在古新世时开始迁向淡水，并在海水中失去记录。

It has been discussed that the formation mechanism of subaqueous delta out of river mouth,the evolution of the Changjiang estuary,the diffusion of fresh water of the Changjiang outside the river mouth and its effect on the vicinity of sea waters,the properties of tidal action,as well as the wave regime in the estuarine region and the processes of fresh-salt water mixing.

河口是一个复杂的自然综合体。它既包括受潮汐影响的咸潮河段，也包括受淡水扩散影响的口外海滨，而盐淡水交会的混合地带则为这个综合体的主体部分。如果考虑到冰后期以来它的流路摆荡因素，则其影响的范围就可能更广。

On the other hand, also can pull fresh water when tidewater retire drag give big talk downstream, tide is bigger, retreat more quickly, fresh water of riv......

另一方面，潮水退去时也会把淡水拖拽到下游出海口，潮汐越大，退得越快，。。。。。。

Exposure to fresh water caused acute stress: within 24 h, all specimens exposed to fresh water showed substantial photosynthetic damage, and after 4 days were photosynthetically inactive.

Halophila ovalis暴露在淡水中会受到研制胁迫：24小时内光合活性受到严重损伤，4天后无任何光合活性。

From this movie, I see many mobile and artificial look for land, jump a claim fresh water realm, usually infringe upon those luckily survive come down of mankind, because at there is a little girl in these people and have a huge secret on her body-----There is a tatoo on her body, that is to lead to terrestrial map so those mobile talented persons come to and attackstone them, having soil then can become the fresh water to the sea water evolution......

从这一部电影中，我看见许多机动人为了寻找陆地，霸占淡水领域，经常去侵犯那些幸存下来的人类，因为在这群人里有一个小女孩，在她的身上有着巨大的秘密-----她的身上有一个刺青，那是通往陆地的地图所以那些机动人才来攻击他们，有了土才能把海水进化成淡水。。。。。。

It is feasible using three chamber electro dialysis to reduce water from PAM flooding mineralized degree technically. The viscidity of fresh water confecting 1 g/L polymer liquor is 11.9 mPa·s bigger than that is confected by fresh water. The handling voltage is 17 V.

结果表明：利用三室电渗析槽降低含聚污水矿化度在技术上是可行的；用降矿化度后的淡水配制1g/L的聚合物溶液的黏度比清水所配的高11.9mPa·s；采用微型电渗析方法降低油田含聚污水矿化度的适宜操作电压为17V。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。