pH是什么意思？

pH的音标：pH的英式发音音标为：['pi:'eɪtʃ]pH的美式发音音标为：['pi'etʃ]...

The � � - PGA hydrogel swelled on the high pH region ( pH 9.0 ).在 pH 值 9.0时 具有较强的溶胀能力.The C level in acyanotic CHD with PH group correlated positively with pulmonary pressure ( P < 0.05 ).肺动脉压力与C水平呈显著正相关 ( P...

Skin is naturally slightly acidic and has a pH of 5.5.皮肤具有天然弱酸性，pH值为5.5。A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。Pure water is neutral with a pH of 7.纯水是中性的，酸碱度为7。...

chrysolite的音标：chrysolite的英式发音音标为：['krɪsəlaɪt]chrysolite的美式发音音标为：['krɪsəˌlaɪt]...

v.控制( control的现在分词 )，管理，限制，克制...

Please propose amendments and addenda to the first draft of the document.请对这个文件的初稿提出修改和补充意见.The whole content includes six chapters and addenda.正文共分为六章,另加以附录.The following documents, including applicable addenda, constit...

analcite的音标：analcite的英式发音音标为：[ɑ:'nælsaɪt]analcite的美式发音音标为：[ɑ'nælsaɪt]...

sanitary的近义词/同义词有：sterile, hygienic, healthful, clean, pure, spotless, healthful, clean, sterile, spotless, hygienic, pure, prophylactic。adj.sanitary的近义词（卫生的;清洁的）：sterile, hygienic, healthful, clean, pure, spotless。sanit...

n.肿胀，膨胀，增大v.肿胀(swell的ing形式)，增强，骄傲，自满...

“大包”的拼音为：dà bāo...

[地名] [美国] 盖恩斯维尔...

orotund的音标：orotund的英式发音音标为：['ɒrəʊtʌnd]orotund的美式发音音标为：['ɔrəʊtʌnd]...

adj.二音节的...

“声电的”的英语可以翻译为：[医]acoustoelectric ...

beam的近义词有：laugh, smile, giggle, grin, beam, sneer。下面这些动词均含"笑"的含义：laugh：最常用词，指因喜悦、愉快或轻视而出声的笑或大笑。smile：指面露微笑，侧重于无声。giggle：指发出咯咯的笑声，较多地用于女人或孩子。 grin：指露齿而笑。beam：书面用词，指人因心情舒畅而发出的笑，即喜形于色地笑。sneer：指冷笑、嘲笑。...

Alistair的音标：...

clampdown的复数形式为：clampdowns...

泰州市力精数控机械厂是专业从事电加工数控精密机床的生产厂家.Taizhou City of fine CNC machine factory is specialized in processing, precision CNC machine tools manufacturer.主要讨论了一类电加工问题,得到其自由边界的有关正则性结果.An electrochemical machining problem is discussed...