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Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.

以风化褐煤为原料制备腐植酸(HA),将HA与普通剂(PSA)复合,获得HA剂(HA-PSA)。

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The mucin is positie for mucicarmine, PAS, and alcian blue.The glands are negatie for PSA and PAP.

粘蛋白胭脂色、PAS色和阿色阳性,免疫组化PSA和PAP色阴性。

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Granite as raw material,PSA is made in a series of aggregat e reactions of chemical fusibility.

选用花岗闪长岩为原料,通过一系列的化学熔融聚合反应制成絮凝剂--聚硅酸铁铝盐絮凝剂。

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切达科学解读(双语精选)

Tokyo also tried and failed to implement a standing-only rule despite a rigorous PSA campaign.

尽管进行了严格的公益广告宣传,东京也尝试实则,但未能成功。

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BBC 听力 2019年12月合集

The Italian American company Fiat Chrysler and the French PSA group that owns Peugeot and Citroen have confirmed a merger that would create the world's 4th largest carmaker.

意大利美国合资公司菲亚特克莱斯勒和坐拥标致和雪铁龙的法国PSA集团已经确认合并,此举将创造世界第四大汽车制造商。

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译林版牛津高英语(必修4)

PSAs use some of the same methods, like attractive pictures and clever language, but they are made to serve the public.

公益广告使用一些相同的方法,比如新颖的图像和有创意的文字,但是它们是用来为大众服务的。

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爱豆飙英语

And right around this time every fall we shoot the PSA.

每年秋天差不多现在这时候,我们就会拍摄宣传片

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BBC 听力 2017年2月合集

If the deal goes ahead, PSA will become Europe's second biggest car maker.

如果交易得以实现,PSA将成为欧洲第二大汽车制造商。

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VOA 常速 2016年8月合集

But the PSA result could also mean an enlarged but non-cancerous prostate gland.

但也有可能是前列腺增生,而非前列腺癌。

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VOA慢速英语_美国

Keep America Beautiful is the nonprofit group that paid for the PSA to be produced.

“保持美国美丽”是为制作公益广告买单的非营利性组织。

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BBC 听力 2023年8月合集

These look for high levels of a protein called PSA, but in this study, more than half the men whose cancer was picked up on MRI scans had PSA test scores which are considered normal.

血液检测检测的是一种名为前列腺特异性抗原(PSA)蛋白质的水平,但在这项研究核磁共振扫描发现癌症的男性,超一半的 PSA 值显示为正常。

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经济学人(汇总)

Bucking that trend, PSA, the maker of Peugeots and Citroens, reported a surprise profit for the first half of the year, even though revenues plummeted.

与此相反,标致和雪铁龙汽车的制造商标致雪铁龙公布称,尽管收入大幅下降,但上半年的利润却出人意料。

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连线杂志

So if you were to change the, you know, PSA, " Only You Can Prevent Forest Fires" , how would you change it?

所以如果你要改变公共安全局的“只有你能防止森林火灾”的说法,你会怎么改变它?

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经济学人(汇总)

Fiat Chrysler Automobiles and Groupe psa, the owner of Peugeot, sealed their merger, more than a year after it was announced.

菲亚特克莱斯勒汽车公司和标致(Peugeot)的所有者标致雪铁龙集团在宣布合并一年多后,最终完成了合并。

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BBC 听力 2017年2月合集

The French PSA group which manufactures Peugeot Citroen cars says it's considering taking over Opel, the European business at the U.S. car giant General Motors.

生产标致雪铁龙汽车的法国PSA集团表示他们正在考虑收购德国欧宝公司,美国用汽车的子公司。

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译林版牛津高英语(必修4)

Our government understands this and has been using PSAs to educate people for many years.

政府深知这一点,已经用公益广告教育大众很多年了。

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VOA慢速英语_美国

It led to Iron Eyes Cody filming three additional PSAs.

这致使艾恩·艾斯·科迪拍摄了另外三条公益广告。

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爱豆飙英语

For the holiday PSA and I get to spend a day with a family of St. Jude.

每到拍摄,我就有机会和圣裘德大家庭在一起,呆上一整天。

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经济学人(汇总)

Saft has also teamed up with PSA group, a big European carmaker, to manufacture batteries for electric vehicles.

“帅福得”还与欧洲大型汽车制造商PSA集团合作,为电动汽车生产电池。

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VOA 常速 2016年8月合集

The men in the study had suspicious PSA levels and had been referred for a needle biopsy.

患者PSA含量可疑,并被建议做穿刺。

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VOA 常速 2016年8月合集

Researchers found that the urine test helped predict whether the high PSA score was caused by cancer, and also helped predict how aggressive the cancer was.

他们发现,尿检帮助预测PSA含量高是否由癌症引起,并能帮助预测癌症的严重程度。

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VOA慢速英语_美国

It announced this week it is doing so by transferring ownership of the rights to use the PSA to the National Congress of American Indians (NCAI).

公司本周宣布,将公益广告使用权的所有权转让给美国印第安人全国大会(NCAI)来做到这一点。

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VOA 常速 2016年8月合集

Men with a PSA score that is high or increasing may have prostate cancer.

PSA较高或者不断上升的男子可能患有前列腺癌。

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