pech

pech

美 　英

• 網絡環氧氯丙烷；巖精；環氧氯丙烷低聚物

詞形變化

復數：pechs  過去分詞：peched  現在分詞：peching  

英漢解釋

n.	1. a short, fast, and forceful breath
v.	1. to pant or struggle for breath from exertion

例句

It is discovered through experiment that treating PECHs with different relative molecular mass should use different extraction solvents.

實驗表明，處理不同相對分子質量的PECH，應采用不同的萃取溶劑。

The hydroxy value of hydroxy-terminated polyepichlorohydrin (PECH) is a very important index which influences many properties of PECH.

端羥基聚環氧氯丙烷（PECH）的羥值是影響其性質的重要指標。

The results demonstrated that PECH-DMA could greatly enhance the removal efficiency of NTU and organic substances.

結果表明：助凝效果明顯，濁度和有機物的去除效果都得到明顯提高。

Pech Valley, Afghanistan: As darkness falls a US soldier smokes a cigarette before getting into his armored vehicle for a night patrol

佩赫谷，阿富汗：夜幕降臨，一個美國士兵在進入裝甲車夜巡前吸煙。

Experimental Study on Sedimentation Water Quality Improvement in Pech-David Water Plant in Toulouse in France

改善法國圖盧茲自來水廠沉淀池出水水質的實驗研究

A Study on the Modification of Cellulosic Fibers with Low Molecular Weight and Moderate Nitrogen Content of PECH-amine

低分子量、含氮量適中的聚環氧氯丙烷胺化物對纖維素纖維改性工藝的研究