There were rocks underfoot and boulders about them, rough to the touch like scoria.

1、

Research of the High Performance Concrete by Mixing Scoria Powder

掺超细矿渣粉高性能混凝土的研究

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2、

Study on graphite scoria applied under base-course of expressway

石墨矿渣在高速公路底基层中应用

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3、

Experiment and research study on pumping concrete performance by adding grinded hydrated scoria;

试验研究了掺加磨细钢渣、粉煤灰等掺合料后水泥浆体导电性能的变化。

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4、

Research into Physico-chemical property of Scoria and its effective silicon contained shows that apart from some minor elements and heavy metal elements, Its chemical compositions mainly consist of SiO 2, CaO, Al 2O 3, of which the SiO 2 is relatively more contained.

对熔渣的理化性质及有效硅研究结果表明：溶渣化学成分主要以SiO2、CaO、Al2O3为主，其中以SiO2含量最高；另外含有某些微量元素及其他一些重金属元素；

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5、

The hazard of descendent scoria is superficial hazard, the radius is 9 kilometers.

降落火山渣为面积性灾害，中高危区的半径约9Km。

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6、

The change is studied between the strength of silicate and scoria concrete with the circulation times of concrete corrosion by sea water.

研究了在多离子作用下的不同水灰比的普通硅酸盐混凝土及矿渣混凝土的强度随海水侵蚀循环次数衰减变化情况、不同水泥用量的普通硅酸盐混凝土的强度随海水侵蚀循环次数衰减变化情况。

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7、

Research into Effective Si in Si-contained Scoria

含硅熔渣中硅的有效性研究

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8、

This article analyzes the composition of steel scoria and introduces the way using steel scoria. It puts forward the plan to use open hearth furnace slag in portland cement as the hydraulical admixture.

分析了钢渣的组成，介绍了钢渣利用的可能途径，提出了用平炉钢渣作为普通硅酸盐水泥水硬性混合材综合利用的方案。

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9、

Based on the composition and texture differences of the cones, the cones have been subdivided into scoria cone, spatter cone and mixed cone.

在火山锥中，依据锥体组成与结构的差异又可进一步分为岩渣锥、溅落锥和混合锥等碎屑锥。

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10、

We put the time of arrival at 8 p.m.

我们决定8点到达.

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11、

A detector at B will then record the time of arrival of the reflected wave.

于是在B点的检波器将记出反射波到达的时刻.

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12、

Do not cross this, should surmount a parvenu in old A Bai when, his trip!

不过这次, 就在老阿伯要超越新贵时, 他摔倒了!

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13、

He always acts so conceitedly!

他行事总是那么自以为是.

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14、

Let's walk in the picture gallery.

咱们到画廊去吧.

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15、

The house that was known by the local kids as The Creaky House.

当地的小孩都称之为神秘屋.

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16、

Sam would never have guessed that any of these people were in The Creaky House Club.

山姆决不会猜到这些人会在creakyHouse俱乐部.

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17、

My creaky old joints.

我的不灵活的老关节.

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18、

How long had Tristan been a member of The Creaky House Club?

特里斯坦成为creakyHouse俱乐部有多长时间了?

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19、

Now , stopping illegal immigration must go handhand with reforming our creaky system of legal immigration.

制止非法移民必须与改革我国支离破碎的合法移民体系同时进行.

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20、

The sedan is creaky under the heavy weight.

轿子在重负之下吱吱呀呀地响着.

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