下水

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Proceeding from the viewpoint of two-phase flow,the Bernoulli equation for silt-laden water flow is derived, which reflects real mechanic characteristics of silt-laden water flow.

从两相流动观点出发，推导了含沙水流时的伯努利方程式，使其更能真实地反映含沙水流的力学特性；对含沙水流条件下水轮机的工作参数进行了定义，进而推出其具体计算方法。

Supported by Blackland GRASS Geographic Information System,the basic and special environmental databases of West Lake Watershed were established.

以地理信息系统(BlacklandGRASS软件)为基础平台，建立了西湖流域基础和专题数据库；结合地下水污染风险评价专业模型，计算出流域内地下水污染风险图。

By the way, water is also important.

顺便提一下水，水也是很重要的。

Since the completion of the Three Gorges Dam however, the water has become calm."Goddess", China's first cabin cruiser was named after GoddessPeak. Passenger on board have a fine view of the picturesque scenery and a small boat guide the large vessel.

三峡大坝蓄水以后，水面上升，水流平缓，这里已经是一片高峡出平湖的平和景象。1981年，以三峡中著名景观"神女峰"命名的"神女"号在长江下水，"神女"号的主要观光线路就是长江三峡。20多年前，"神女"号的游客在长江上看到了令人震撼的美景。

And these few daysit was necessary to employ in planking and carefully calking the vessel,and launching her.

现在必须利用这几天工夫进行辅板，仔细填塞船缝，赶快使新船下水。

Put 3g chitosan into 50mL 1% CH3COOH solution, after dissolved completely, added 9mL H2O2 into this solution and the reaction took place at temperature of 80℃ for 3 hours. Filtrated the hydrolysate and then concentrated liquid to 20mL, neutralized liquid with 1% NaOH, added 200mL ethanol to extract hydrolyte, 3000r/min eccentricity, and then we could got all water-soluble canary yellow chitosan by vacuum-freeze drying.

称取3g壳聚糖，于50mL1%冰乙酸溶液中充分溶解，加入9mL过氧化氢，在80℃条件下水浴反应3h，水解液抽滤，滤液在60℃浓缩至20mL左右，1%NaOH中和后，加入体积比为10：1左右的无水乙醇，沉淀水溶性壳聚糖，3000r/min离心，将糖液真空冷冻干燥后可得淡黄色完全水溶性壳聚糖。

Anyway, I uh, fell through some thin ice, and Im telling ya, water that cold, like right down there, it hits you like a thousand knives stabbing you all over your body. You cant breathe, you cant think, at least not about anything but the pain.

总之，我，呃，踩到一片薄冰上掉下水去，我告诉你吧，水真冷，就像下面的水一样，打在身上，就像千万把小刀刺进身体一样，你不能呼吸，不能思考，只觉得浑身刺痛。

Chasseur was a Baltimore clipper commanded by Captain Thomas Boyleo on his first voyage in 1814, Boyle unexpectedly sailed east, directly to the British Isles, where he harassed the British merchant fleet, sent a notice to the King by way of a captured merchant vessel that he had released for the purpose.

"猎人"号一艘巴尔迪摩快速帆船，美国一战时最有名的武装民船之一。由托马斯。波义尔船长指挥。1812年从托马斯坎普船厂下水。1814年作为"猎人"号的主人，波义尔船长出人意料地让她的第一次航行向东方行驶，直往英国的不列颠群岛。在那里他侵扰英国商船。船长做出一件异常大胆的举措。

Snack Sauce Boiled Cake , originated from Nanheng Street in the southern part of the city, is peculiar to Beijing特有的一种小吃, It was said that common people could not afford meat so they replaced it with pig's tripe and chitterlings.

卤煮火烧：是北京特有的一种小吃，起源于城南的南横街，相传是以前的普通人吃不起肉，所以就用动物的下水来代替。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。