查询词典 sand

In fixed sand and sand-flowing dune, the percentage of bacillus sp.

真菌的垂直变化没有规律，流动沙丘中在1～10cm＞表面＞10～20cm。

Based on the calculation methods of nominal water-cement ratio of mortar and average paste thickness of standard sand provided by authors, the nonlinear relation between fluidity of mortar and nominal water-cement ratio of mortar , average paste thickness of standard sand, fly ash-binder ratio was established by using artificial neural network.

在给出水泥胶砂名义水灰比和标准砂平均浆体厚度计算方法的基础上，采用人工神经网络方法，建立了水泥胶砂流动度与水泥胶砂名义水灰比、标准砂平均浆体厚度、粉煤灰与胶凝材料用量比之间的非线性映射关系。

Based on the calculation methods of nominal water-cement ratio of mortar and average paste thickness of standard sand provided by authors, the nonlinear relation between fluidity of mortar and nominal water-cement ratio of mortar, average paste thickness of standard sand, fly ash-binder ratio was established by using artificial neural network.

摘要在给出水泥胶砂名义水灰比和标准砂平均浆体厚度计算方法的基础上，采用人工神经网络方法，建立了水泥胶砂流动度与水泥胶砂名义水灰比、标准砂平均浆体厚度、粉煤灰与胶凝材料用量比之间的非线性映射关系。

First of all, we in the sand and grass, the grass all the sand box can firmly fixed in place, after two kilometers to create a shelter belts, so that the effective regulation of regional climate.

首先，我们在沙地上种草，这一个个草方格能把沙子牢牢固定在了原地，之后，又营造两公里防护林带，使区域性气候得到有效调节。

Sand grouse: AfatherNamaqua sand grouse of Africa's Kalahari Desert flies as far as 50 miles a day in order to soak himself in water and return to his nest,where his chicks can drink from his feathers!

公沙鸡：在非洲卡拉哈里沙漠，纳马夸公沙鸡每天都会飞50英里，到湖边把羽毛在水里浸湿后再飞回家，以此满足小沙鸡对水的渴求。

We heap a hill in the sand, one in the sand to sleep.

我们一会在沙上堆小山，一会在沙子上睡觉。

The problem of transportation and time can be solved by producing hill sand in regions with abundant resource which can also lower cost and save river sand. High performance concrete has been playing an important role in the advancement of building industry.

高强混凝土在促进整个建筑业的进步方面功不可没，但是随着应用的混凝土等级的提高，特别是对于70MPa以上的混凝土已暴露出自身的一些缺陷，如混凝土强度与流变性能之间的矛盾，体积稳定性问题，抗硫酸盐类侵蚀性能力的下降等。

The research is to develop a new material----high performance concrete of hill sand on the basis of practice of high strength concrete of hill sand and knowledge of ultra-fine trass additive by using concrete material in Guizhou and mixing fly ash.

本文通过对配制的山砂高性能混凝土和普通混凝土的拌合物性能、力学性能、长期性能及耐久性能的研究，得到流动性、保水性、粘聚性等性能优良的山砂高性能混凝土。

He skill agile, athletic players, he also on behalf of the Olympic rings in the yellow part of Nini source of inspiration: the traditional Beijing: Sand Martin Kite, Beijing Swift Nini from the sky, is one of the Youth Pre-employment Training Flying Swallow, the traditional form of creativity from Beijing Sand Martin Kite.

他身手敏捷，是田径好手，他也代表奥林匹克五环中黄色的一环妮妮的灵感来源：北京的传统：沙燕风筝，北京雨燕妮妮来自天空，是一只展翅飞翔的燕子，其造型创意来自北京传统的沙燕风筝。

The materials for Sand Painting are coloured sand and minerals.

沙画的原料是染色的沙和矿石。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。