quaternary
英 [kw?'t??n(?)r?]
美[kw?'t?n?ri]
- adj. [數(shù)] 四進(jìn)制的；四個(gè)一組的
- n. 四；四個(gè)一組
實(shí)用場(chǎng)景例句
- Cationics are usually quaternary ammomium salts.
- 陽(yáng)離子表面活性劑通常為季銨鹽類(lèi).
辭典例句
- Moreover , there is a chiral quaternary carbon in the 1 - hydroxyethylidenediphosphonic ( hedp ) ligand.
- 證實(shí)1-羥基乙叉 -1,1-二膦酸配體 ( hedp ) 中的季碳為手性碳原子.
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- Iron - nickel - phosphorus - boron quaternary alloy electroless plating on copper panel was described.
- 在銅基上化學(xué)鍍鐵 - 鎳 - 磷 - 硼四元合金.
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- Computational experiments have shown that protein primary sequence contains quaternary structure information.
- 計(jì)算實(shí)驗(yàn)表明蛋白質(zhì)一級(jí)結(jié)構(gòu)包含著四級(jí)結(jié)構(gòu)信息.
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- The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.
- 以低含氫硅油 、 不飽和聚醚 、 一氯乙酸和二甲胺為原料, 制備得陽(yáng)離子有機(jī)硅油.
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- Various iodinated strong base quaternary ammonium anion exchange resins were prepared.
- 制備了數(shù)種不同的強(qiáng)堿型陰離子碘化樹(shù)脂.
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- The effects of different quaternary ammonium salts were studied.
- 研究了季銨鹽的種類(lèi)、結(jié)構(gòu)對(duì)插層效果的影響.
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- An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.
- 設(shè)計(jì)合成了聚丙烯酰胺季銨鹽類(lèi)的抗靜電劑.
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- The quaternary excess volumes were predicted by using only binary parameter without any multicomponent parameters.
- 在不引入任何多元參數(shù)的情況下,直接用二元參數(shù)預(yù)測(cè)四元系的超額體積.
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- A novel bi - pyridine quaternary ammonium salt cationic surfactants was prepared by acrylic modified rosin.
- 普通松香通過(guò)丙烯酸改性,與氯化亞砜、甲醛、吡啶合成新型吡啶雙季銨鹽陽(yáng)離子表面活性劑.
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- A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
- 很多蛋白質(zhì)尤其是酶類(lèi), 是低聚物,因此擁有四級(jí)結(jié)構(gòu).
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- With chlorine and phenols, of categories, like supporting alternative use quaternary more good results.
- 畜禽消毒劑特點(diǎn):空氣消毒.與含氯、酚類(lèi) 、 氧化類(lèi) 、 季銨鹽類(lèi)配套交替使用效果更加佳.
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- The electronic structure of a quaternary alloy has been investigated using EHT band calculation method.
- 用緊束縛能帶計(jì)算方法(EHT)研究了標(biāo)題多元合金的能帶及電子結(jié)構(gòu).
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- It was pointed out that the quaternary ammonium salt was the most important phase transfer catalyst.
- 指出了此類(lèi)合成反應(yīng)中所采用的重要相轉(zhuǎn)移催化劑是季銨鹽類(lèi).
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- OBJECTIVE To study the synthesis of quaternary ammonium salt derivatives of haloperidol and their vasodilative activities.
- 目的合成氟哌啶醇季銨鹽衍生物及其還原物并研究它們的擴(kuò)血管活性.
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