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He added sand to the soil to make it more porous.

他往土里掺沙子以提高渗水性能。

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Porous ceramic materials on the base of strontium zirconate were developed with zirconium dioxide,baddeleyite powder,and granular polysterol.

采用二氧化锆、斜锆矿粉、碳酸锶及粒状聚苯乙烯制成了锆酸锶陶瓷材料。

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Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called “chondritic porous” IDPs.

曾有人报告在一类被称球粒陨石”行星尘埃颗粒(IDPs)中见到了较半挥发性元素。

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A uniform magnetic field acts perpendicular to the porous surface which absorbs the micropolar fluids with a suction velocity varying with time.

均匀磁场垂直用于可以吸收微极流体表面,吸引速度随着时而变化。

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SEM showed the porous structure of the CTCP and the seeded hPDLCs were well attached to the CTCP with cytoplasmic extensions and lamellipodia.

扫描电镜下可见材料具有良好网状结构,人牙周韧带细胞伸出个伪足样突起,紧密贴附在材料表面,细胞沿材料边缘生长并连接成片。

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SEM showed the porous structure of the CTCP and the seeded BMSCs were well attached to the CTCP with cytoplasmic extensions and lamellipodia.

扫描电镜下可见材料呈网状结构,兔骨髓基质细胞紧密贴附在材料表面,细胞可沿材料活跃生长。

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If you look over the element ratios we measured, you might conclude that our comet particles look more like chondritic porous IDPs than CI chondrite meteorites.

如果你查看我们测定元素比率,你将得出结论——我们彗星颗粒看上去更接近球粒陨石IDPs而不是CI球粒陨石。

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Adsorbable gases can be separated by porous ceramic membranes under the capillary condensation mechanism of membrane separation, on which prior study was only limited to pure components.

陶瓷膜在毛细管冷凝传质机理用下能够有效地分离吸附性气体。而毛细管冷凝膜分离传质机理研究还很不充分,目前,文献报道仅局限于纯组分气体传质模型研究。

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As much as 40% of Hyperion could be porous, according to research led by Dr Peter Thomas of the Center for Radiophysics and Space Research at Cornell University published today in the journal Nature.

康乃尔大学电波物理与太空研究中心彼得·托马斯主持研究了土卫七。今天发表在《自然》杂志上研究成果表明,达40%土卫七表面为地形。

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连线杂志

It's very kind of crumbly and porous.

它非常易碎且多孔。

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VOA常速英语_亚洲

You know, the mud houses are so porous.

你知道吗,泥屋太透气

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时代周刊 (Time)

But those walls are increasingly porous.

然而,这些态度已经越来越薄弱

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TED演讲(视频版)双语

Now, the divisions between these five categories are porous.

现在,这五个类别之间的分界是模糊的。

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CNN 201512月合集

Part of the problem, the country's porous borders.

问题的一部分在于这个国家的边界。

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TED演讲(视频版)双语

Even their psychological self felt a bit porous at times.

他/她心理上的自我也时常感到千疮百孔。

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Scishow 系列

Dentin is pretty hard, but unlike enamel, it's porous.

牙本质非常硬,但与牙釉质不同,它是多孔的。

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英国学科学读本

Have you noticed how porous or spongy good bread is?

你有没有注意过, 面包烤得好, 就能呈现非常明显的海绵状结构?

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双语版 TED-Ed 演讲

Bones might seem rock-solid, but they're actually quite porous inside.

骨头看上去和石块一样坚固,但它们中心其实相当多孔。

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科学60秒 听力 20148月合集

To absorb sunlight, M.I.T. researchers created a porous disc of graphite flakes.

收阳光,麻省理工学院的研究人员制造一个多孔渗水的石墨薄片圆盘。

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NPR音讯 20213月合集

They say a porous border is another reason people are coming in.

他们表示,边境漏洞百出是移民抵达的另一个原因。

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当月 CNN 10 学英语 20198月合集

Waves of stone, floating on sea foam all because the glass is porous.

漂浮在海面上的石头波浪,因玻璃是多孔可渗透的。

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CNN 20154月合集

Here's a look at how porous the border is between Kenya and Somalia.

接下来我们你带来肯尼亚和索马里两国的边界是多么驻守不严。

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PBS趣味科普

That porous material that was the bone got filled in with little spheres, opal, basically.

骨头的多孔材料被填充小球体,基本上是蛋白石。

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Scishow 系列

There, they mess with the fatty molecules a bit, ultimately making the barrier more porous.

在那里,它们稍微搅乱脂肪分子,最终使屏障更容易渗透。

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NPR音讯 20182月合集

They're saying that not rotating crops is not a good thing because the soil is less porous.

他们认,没有轮作农作物并不是件好事,因土壤的透水性会减弱。

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经济学人(汇总)

These are porous molecular networks through which air can circulate. Their porosity gives them a huge surface area.

这些是多孔的分子网络,空气可以通过它们循环。它们的多孔性使它们具有很大的表面积。

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英国学科学读本

These vessels must not be porous, or they will let the liquids escape which we put into them.

但是这些器皿可不能“渗透”,不然盛上液体就会漏出去。

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中高级英语短文

Groundwater sourced near porous rocks, for example, will contain more minerals, while water from glaciers has almost none.

例如,来自多孔岩石附近的地下水将含有更多的矿物质,而冰川融水几乎没有矿物质。

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TED演讲(视频版)双语

You see, my city is built on porous limestone rock, and the water will just come up through it.

你看,我的城市建在多孔的石灰岩上,水会从这里涌上来。

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