砂的

Zhejiang Xiang abrasive hair Ltd. are engaged in domestic and imported Burkina, paper-based ring belt and a variety of special-shaped abrasive polishing a professional manufacturer of abrasive belt has a full set of advanced production equipment, a high level of professional and technical personnel, and products are mainly Has belt, sand volume, page rotation, sand disk, sandpaper, emery cloth, sand sets, grinding wheel and so on.

浙江祥发研磨有限公司是从事国产及进口布基、纸基环形砂带和各种异型抛光磨具的专业生产厂家，拥有全套先进的砂带生产设备，高水平的专业技术人员，产品主要有砂带、砂卷、页轮、砂盘、砂纸、砂布、砂套、研磨轮等。

Authors suggest that uranium ore formation occurred after the appearance of the above subsidiary tectonic units, and sandstone bodies of the Ⅱ,Ⅲ,Ⅳ,Ⅶ cycles, Shuixigou Group in the southern syncline, and sandstone bodies of the Ⅰ,Ⅱ,Ⅲ,Ⅴ cycles, Shuixigou Group, as well as sandstone bodies of Xiaoquangou Group in the northern monoclinal zone, they are ...

文章认为铀成矿作用发生在这些次级构造单元形成之后，且具有找矿前景的是南部向斜带水西沟群第Ⅱ、Ⅲ、Ⅴ、Ⅶ旋回砂体和北部单斜带水西沟群第Ⅰ、Ⅱ、Ⅲ、Ⅴ旋回砂体及小泉沟群砂体。从容矿层位连续性、分布面积、砂体特征及层间氧化带发育特征等成矿条件看，北部单斜带铀成矿条件和找矿前景均优于南部向斜带。

Presently sand control of oil well control, while the research of inorganic matter is very little.

目前油井防砂多是采用机械防砂和树脂防砂技术，对于无机类防砂材料的研究却比较少。

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。

In general, the tidal flat along Laizhou Bay has typically developed, with the coarsest sediment, namely fine sand on the lower flat, and it grades shoreward into silty sand, sandy silt and silt.

总之，莱州湾的潮滩发育典型，低潮滩的沉积物最粗，为细砂，向陆依次演变为粉砂质砂、砂质粉砂和粉砂，皆呈带状与岸线平行分布。

In view of the reservoir geologic features and severe fine silts production situations in Liaohe Oilfield,the technique of sand control deep in formations and sand carrying oil production has been developed through the study in sand control basic theories and tests.

辽河油田的油井出细粉砂严重，通过防砂基础理论及试验研究，形成了地层深部防砂与携排砂采油技术。

The sand bodies of the inner delta front are from under water distributary channels and under water crevasse splays, the former is good at the physical property and has a good single pass connectivity, and the latter has a high independence and can form a suit of fake- connected sand body.

内前缘主要发育水下分流河道和水下决口扇砂体，前者物性好、单向连通性好，后者单期独立性强，多期叠置后可形成砂体连片假象；外前缘砂体连片性非常强，但是砂体内部发育大量水平或近水平泥质薄层，储层的垂向非均质性较强。

Sand production line system (through the impact crusher, vibrating screen, sand washing machine), is a production of sand and stone used in construction of special equipment,make grit machine energy than the traditional 50 percent.

制砂生产线（直通冲击式破碎机，振动筛，洗砂机），是一种生产建筑用砂和石料的专用设备，比传统制砂机节能50%。

The formation sand flow is one of an important factor to effect the nonnal production of oil wells. Sand pump technology is an effective way to control the fine sand in the artificially lifted wells. Sand control pump is main tool for sand disposal.

地层出砂是影响油井正常生产的重大因素之一，排砂工艺是针对细粉砂在机采井上采取的一种防砂工艺，防砂泵是目前主要的排砂工具。

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％。