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- The pH is equal to the of the carboxyl group. 等于羧基pKa的pH
- The introduction of a carboxyl group into a compound or molecule. 羧化把一個(gè)羧基引入一個(gè)化合物或一個(gè)分子
- The results indicate that carboxyl group is strongly interacted with MMT. 試驗結果表明,羧酸基團與MMT有很強的相互作用。
- Another end for the hydroxyl and the carboxyl group, has the water affinity. 另一端為羥基和羧基，具有親水性。
- Containing two carboxyl groups per molecule. 二羧基的每個(gè)分子中含有兩個(gè)羧基的
- Each fatty acid consists of a hydrocarbon chain with a carboxyl group at one end. 每個(gè)脂肪酸由一端帶有一個(gè)羧基的碳酸鏈組成。
- Removal of a carboxyl group from a chemical compound,usually with hydrogen replacing it. 脫羧作用從一化合物中脫去羧基，通常是用氫來(lái)替換。
- Removal of a carboxyl group from a chemical compound, usually with hydrogen replacing it. 脫羧作用從一化合物中脫去羧基，通常是用氫來(lái)替換
- The fact that IR vibrating peaks of the carboxyl group have made a wide and split peak is explained in this paper. 解釋了該類(lèi)配合物的羧基紅外振動(dòng)峰是一寬峰且有劈裂的特點(diǎn)。
- In the meanwhile, the various. morphology of the latex and the migration of the carboxyl group are also discussed. 這一反應還伴隨著(zhù)羧基的遷移以及乳膠粒膨潤、溶脹和壓縮的形態(tài)變化過(guò)程。
- By direct cyanidation, the reaction of p-toluic acid with urea would convert the carboxyl group to cyano group to give p - tolunitrile. 本文報道了對甲苯甲酸與尿素反應,進(jìn)行直接氰化將羧基轉變成氰基生成對甲苯甲腈的情況,改進(jìn)了對甲苯甲酸直接氰化的工藝條件。
- Amino acids are called "amino acids" because they contain an amino group (NH2) and a carboxyl group (COOH) that is acidic. 氨基酸之所以叫“氨基酸”，是因為每個(gè)氨基酸分子包含一個(gè)氨基(NH2)和一個(gè)羧基(COOH)。
- This paper reports an improved headspace gas chromatographic method for determination of carboxyl group content in wood fibers. 報道了一種應用頂空氣相色譜測定紙漿纖維羧基含量的方法。
- The pendant carboxyl groups add more crosslinking sites and polar than Nitrile. 在丁腈橡膠的基礎上，羧基增加架橋端并賦予更高的極性。
- Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another. 肽，一種自然或人工的合成物，包括二個(gè)或二個(gè)以上氨基酸，通過(guò)一個(gè)氨基酸的酸基和另一個(gè)的羧基結合而成。
- A temperature sensitive polymer containing a terminal carboxyl group was prepared by copolymerization of N isopropylacrylamide with mercaptoacetic acid. 合成了帶有活性末端的寡聚 N-異丙基丙烯酰胺 (ONIPAAm) ;并考察了其溫度敏感性質(zhì) .
- Derivatives of Naphthol AS containing carboxyl group (-COOH) as second coupling agent were used in mixed coupling process to medify C.I. pigment Red 57: 1. 介紹了以含羧酸基團的色酸衍生物為第二偶合組分，采用分步偶合工藝，對C．I．顏料紅57：1進(jìn)行了改性。
- The influencing factors of condensation reaction were investigated such as anhydrides, base agent, temperature, carboxyl group protected of Gly and Asp. 探討了成酐和堿性試劑,反應溫度,甘氨酸和天冬氨酸羧基保護等對縮合反應的影響。
- The modification of HBP with about proper amount 70% of epoxy resin based the mole of the carboxyl group, showed obviously the improved photo reactivies and mechanical properties. 環(huán)氧樹(shù)脂用量為HBP羧基物質(zhì)量的70%25左右時(shí)，改性的超支化聚酯的光固化活性有明顯提高，力學(xué)性能得到明顯改進(jìn)。
- The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP. 研究了聚對苯二甲酸丙二醇酯(PTT),PET,CDP在不同溫度和時(shí)間下的特性粘數和端羧基含量的變化。
