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- river sediment survey 水系沉积物测量
- The scientists hope to do a national sediment survey in the future. 这些科学家希望能在未来做一次全国沉淀物的调查。
- Acid-volatile sulfide in river sediment sample was measured by reaction headspace. 采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
- River sediments gradually silted the harbor. 河流的沉积物逐渐使港口淤积
- I am very sad, that was the Yellow River sediment for thousands of years condensed the essence! 我很痛心,那是黄河沉淀几千年浓缩而成的精华!
- Reaumuria soongorica built on the north shore of the Yellow River sediment Yashang. 开凿于黄河北岸红砂沉积崖上。
- Linfen Qinhe is the smallest river sediment, a total length of 95 km, watershed area of 2288 square kilometers. 沁河是临汾含沙量最小的河系,全长95公里,流域面积2288平方公里。
- This stream sediment survey was characterized by less sampling, large controlled area, rapidness, reduction in cost, manpower and material resources, and good ore-prospecting and economic results. 本次水系沉积物测量的特点是:取样少,控制面积大,速度快,省钱、省人、省物,找矿效果好、经济效益好。
- The Zao 0 reservoir group in the Kongyi segment of the Duanliubo Oilfield, Huanghua Depression, composes of anastomosing river sediment. 黄骅坳陷段六拨油田孔一段枣0油层组为网状河沉积,其沉积特征与曲流河和辫状河有明显区别。
- Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on. 其主要工作内容包括黄河河道断面淤积测验,河道表层河床质取样及颗粒级配分析等工作。
- geochemical stream sediment survey 水系沉积物地球化学测量
- It is also held that in areas where stream sediments are not well developed, the utilization of stream sediment survey with the help of grid soil survey ca... 并提出在水系沉积物不甚发育的地区,以水系沉积物为主,辅以网格法土壤测量,则能更有效地提高找矿效果。
- Abstract : OPUS is a new imported instrument by “948” plan.Research and study help us to acquire new knowledge, and Yellow River sediment application experiment has basically achieved success. 摘 要: OPUS是“948”计划引进的新仪器,通过研习获得了新认知,对黄河泥沙应用试验也取得基本成功。
- The diffusion law of suspended sediment,the range of high turbid water region and the sea-entering form of river sediment were further discussed from monitoring data.The research resul... 结合同步监测数据,对长江口表层悬浮泥沙扩散规律、高混浊水域的范围、河流泥沙入海形态等方面进行了深入的探讨,为长江口泥沙现状调查和近期运动规律反演和预测提供一条新的研究途径。
- Affects of sewage sludge, adherent amount added to the material and temperature of agglomeration to the specific surface area of ceramisite made of river sediment are also analyzed. 讨论了以河道底泥和生活污泥为原料烧制的陶粒比表面的测定原理、方法和结果,并对生活污泥添加量、粘结剂添加量和烧结温度对陶粒比表面的影响作了进一步分析。
- The magnetite compositions of the Changjiang River sediments were analyzed by electron microprobe. 运用电子探针分析了长江干流和主要支流河漫滩沉积物中磁铁矿的元素组成。
- Through that summer and fall, the team searched for toxic or radioactive pollution in river sediments, groundwater, soil and air. 那年夏天到秋天,该小组在河流沉积物、地下水、土壤与空气中寻找有毒或放射性污染物。
- contaminated dredged sewage river sediment 河道疏浚底泥
- The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
- Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点?