river sand

It introduces the problems during construction of the cast in situ concrete pile embedded in rocks for sand loading berth of Fuzhou Port bulk cargo ( river sand) wharf and the countermeasures.

文章介绍福州港散货（河砂）码头工程装砂泊位嵌岩灌注桩施工中的难题及处理对策。

It degrades fertile agricultural land, depleting river sand and water burning of bricks.

它使肥沃的农用土地退化, 耗尽河沙河水.

The transplantation living rates of tube-seedlings reached 90.0% on the ground substance of yellow river sand.

以黄土作为基质，试管苗的移栽成活率可达90%以上。

At present, the main ecological problem of Liaohe estuarine is decreasing in wetland, environmental pollution, decreasing in the amount of sand brought from the river to the sea, decreasing in biodiversity.

目前辽河口湿地生态系统存在的主要生态问题是天然湿地丧失、环境污染、河流携带入海的水沙量减少、生物多样性急剧下降。

At present, the sand and gravel ship of the Yangtze River in Chongqing section amounts to 286, which has made a significant contribution to towns, transport and other infrastructure projects, but also has posed a great challenge to Water Traffic Safety.

目前，长江干线重庆段共有砂石船舶286艘，这些砂石船在为城镇、交通和其他工程项目基础建设作出重大贡献的同时，也给水上交通安全带来了极大的挑战。

Sand has silted up the river delta.

泥沙把这条河的三角洲淤塞了。

The industry waste slag fly ash or the river sand is used as the siliceous material.

工业废渣粉煤灰或河砂一般被用来作为硅质材料.

The result shows that the bleeding rate of manufactured-sand and river-sand changes in logarithm relation with stewing time;

结果表明：机制砂与河砂泌水率随静置时间成对数关系变化；

The Test of Konjak Introduction in Nen River Sand Tailai Heilongjiang

黑龙江泰来在嫩江沙地魔芋引种试验初报

Better results were also gotten with sugar, tap water and river sand instead of sucrose, deionized water and agar.

以市售白糖和自来水代替蔗糖和去离子水，以河沙代替琼脂试验均取得了良好的效果。

Sand body thickness vary greatly, on longitudinal H1 is more connectible than H2 and H3. On landscape the sand connecting is good in the main direction of river orientation.

砂体厚度纵横变化大，纵向上盒1较盒2和盒3连通性好，平面上砂体在主河道方向连通性好。

The application of artificial sand and river sand in ready-mixed concrete

人工砂和涂河砂在商品混凝土中的应用

The experimental results show that, at definite temperature, the loss quantity of the river sand of 4 different grain-diameters increases and the reaction rate decreases with the increase of the reaction time;

实验结果表明：在一定温度下，随着反应时间的延长，4种不同粒径河砂的损失量增大而反应速率减小；

G manual magnetic ore separator: Uses the artificial high-quality goods the river sand magnetic separation machinery.

G人工磁选机: 利用人工上料的河沙磁选机械.

The sediment size changes sharply in two reaches of the middle and lower Yangtze River. Sediment type changes from gravel into sand in one zone, and another from sand into mud.

长江中下游河床沉积物在两个河段出现了粒径的急剧变化和沉积物类型的转换，一个是从砾石转变为砂，另一个是从砂转变为泥。

Xining-Kumbum Monastery-Qinghai Lake ( Riyue Mountain-Daotang River-151 Scenic Area-Birds Islet-Sand Island-Golden & Silver Sands )-Qilian-Menyuan-Huzhu-Xining.

线路一:西宁-塔尔寺 - 青海湖 ( 日月山 - 倒淌河-151景区 - 鸟岛 - 沙岛 - 金银滩 ) - 祁连 - 门源-互助 - 西宁.

The underwater split-flow channel sand body and river mouth bar sand body have been found by using this identifying approach, which provided concrete objects for deployment of lithologic exploration in this region.

利用这种识别方法在该区找到水下分流河道砂体和河口坝砂体，为该区的岩性勘探部署提供了具体目标。

They hold river sand, pieces of iron and charcoal.

他们装设有水沙子, 铁片和木炭.