• 土壤团聚体和水稳性团聚体的状况影响土壤肥力一个重要因素

    The status of soil aggregates is an important factor affecting soil fertility.

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  • 本文苗圃灰色潮土大团聚进行分析表明水稳性团聚体含量为47.55%。

    The results of analyzing macro - aggregates of nursery aquod have shown that the water-stable aggregates make up 47. 55%.

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  • 初期石灰路基能起到作用,后期随着龄期增长增大强度

    Canned have stability function to the soil roadbed in the early years, expected to expect to increase and can enlarge the strength plank body and water steady along with the age behind.

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  • 总结评价沥青混合方法,提出使用消石灰可以改善沥青混合料的水稳

    Summed up the evaluation of asphalt mixture water stability of the method can be improved by the use of hydrated lime asphalt mixture of water stability.

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  • 试验表明泥土污染对沥青混合影响显著,沥青混合料的临界空隙7

    Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly; the permeable critical air void is 7.

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  • 试验表明泥土污染对沥青混合影响显著,沥青混合料的临界空隙7.5%。

    Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly; the permeable critical air void is 7.5?

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  • 灰土因其具有强度较高有利于环保优点目前的高等级公路基层广泛使用

    Because of many merits, such as higher strength, better water stability, and good for environment protection, lime-ash soil is widely used now in high class highway sub-base.

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  • 硬质沥青具有良好的路用,在常温状态下还具有常见基质沥青好的力学疲劳

    Hard asphalt mixture have well pavement performace, and have better mechanical performance fatigue resistance and water damage resistance.

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  • 秸秆覆盖还田促进土壤团粒结构形成,提高土壤水稳性团聚含量从而改善了土壤通透

    Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.

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  • 结果表明ZZLS材料多孔结构有利于植被生长,化物提高材料强度团聚体的主要因素。

    The results show that the porosities of ZZLS material are available to facilitate vegetation. The hydration of cement increases the strength and water stability of the aggregate of the material.

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  • 文章通过严格常规长期试验检验,分析评价掺加不同种类填料和不同掺配比例对排沥青混合料适用

    Through stringent normal and long-period tests for water resistance, this paper analyzes the suitability of different kinds of fillers and different dosages used in drainage asphalt.

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  • 采用实验室培养淋洗管模拟田间淋洗方法研究聚丙烯酰胺沙土团粒结构改良作用,氮、磷、钾养分保肥的作用以及其合理施用量。

    This paper study on the effects of PAM on improving water stable aggregate and reducing nutrients loss from sandy soil, methods of Laboratory incubation and leaching were adopted.

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  • 船舶压载保证船舶稳性航行安全起着至关重要的作用。

    Ship's ballast water is crucial in keeping ship balance and ensuring safety voyage.

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  • 研究了单体线复合型高速船(HYSWAS)翼航状态的原理。

    The stability of a high speed hybrid hydrofoil small water area single-hull ship (HYSWAS) is investigated.

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  • y分子筛抗钒焦炭选择优于传统沸石,适合作为渣油FCC催化剂的活主体。

    For FCC resid processing, USY zeolite is perferred because of its superior hydrothermal stability, vanadium resistance and coke selectivity compared to conventional zeolites.

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  • 提出一型采用非自控组合翼系统单体线面复合型高速船方案 ,并对其进行阻力、横以及运动理论分析

    Based on a hydrofolic small waterline area ship(HYSWAS) scheme with fixed hydrofoils, this paper researched the resistance, static stability, dynamic stability of HYSWAS by theoretical methods.

    youdao

  • 提出一型采用非自控组合翼系统单体线面复合型高速船方案 ,并对其进行阻力、横以及运动理论分析

    Based on a hydrofolic small waterline area ship(HYSWAS) scheme with fixed hydrofoils, this paper researched the resistance, static stability, dynamic stability of HYSWAS by theoretical methods.

    youdao

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