aldehydes 中文意思是什麼

aldehydes 解釋
醛類
  1. Vitamin b12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.

    維生素B12被氧化劑和還原劑、醛類抗壞血酸、二價鐵鹽、香草醛和阿拉伯樹膠破壞。
  2. Other non - peroxidated aldehydes, such as formaldehyde, acetaldehyde, glyoxal, acrolein, pyruvaldehyde, salicylaldehyde, all did not change rheological property of these biological materials. the effects of mda on rheological parameters, crosslinking reaction and their relation with age pigment - like fluorescence were studied

    戊二醛作為一種蛋白固定劑能特異地改變流體特性，而其它非脂質過氧化醛類，如甲醛、乙醛、乙二醛、丙烯醛、丙酮醛、水楊醛等並沒有明顯改變上述溶液的流變性。
  3. Aldehydes possess anesthetic properties.

    醛類具有麻醉的作用。
  4. Both the alcohols and aldehydes are secondary products of the oxidation.

    醇和醛兩者為氧化的次級產物。
  5. There are several examples of a one-carbon degradation leading to aldehydes.

    有一些減少一個碳原子制備醛的實例。
  6. The reaction of sulfate with aldehydes and ketones has been known for many years.

    大家知道硫酸鹽能與醛類和酮類反應已有許多年了。
  7. In reality, readily characterizable high polymers are formed only from aliphatic aldehydes rcho.

    事實上有代表性的高聚物僅僅是由脂肪醛RCHO制得的。
  8. The yields of aldehydes produced in this sequential process are comparable to the two-step method.

    用此法制得的醛，其產率與用兩步法可制得的產率不相上下。
  9. Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.

    醛類和其他的羰基化合物，由於烷氧基離子的穩定性，最容易通過本質上是負離子的機理進行聚合。
  10. It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the magenta color of the fuchsin

    配法是用亞硫酸使品紅溶液還原，若有醛酮類存在時便使之氧化而重新呈現品紅本身的洋紅色。
  11. Synthesis of pentaerythritol diacetals from aldehydes and ketones under microwave irradiation

    催化下微波促進芳香醛與環酮的縮合反應
  12. Vitamin b12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia

    維生素b12被氧化劑和還原劑、醛類抗壞血酸、二價鐵鹽、香草醛和阿拉伯樹膠破壞。
  13. The result shows that the greater positive influence is from the dissolutions of carotene and browning reaction, next come the cembratriendid compounds and hypoglycemia compounds, while the negative influence is from indoles, toluene and some aldehydes, and the negative influence from the dissolutions of carotene and browning reaction is less

    結果表明，對評吸結果影響較大的是胡蘿卜素降解產物類和棕色化反應產物類；類西柏烷類和苯丙氨酸類中性致香物質的貢獻較小；負面影響較大的成分主要集中在吲哚、甲苯及一些醛類上，類胡蘿卜素降解產物類和棕色化反應產物類中的個別成分也有一定的負面影響。
  14. By using sterically hindered, electron - rich alkylphosphines and n - heterocyclic carbenes ( nhc ), this process has encompassed a broad range of substrates including ketones, aldehydes, esters, amides, malonates, nitrocompounds, nitriles and sulfones

    隨著大位阻、富電子烷基膦和氮雜環卡賓（ nhc ）為配體的催化體系的出現，該類反應的底物已從酮擴展到醛、酯、酰胺以及含酸性氫的化合物如丙二酸酯、硝基化合物、腈、碸等。
  15. Through pathway of orientated degradation or decomposition of lignocellulosic biomass, many high - value organic substances of small molecules such as glucose, xylose, phenylpropane units and their dimers, gaseous substances such as ch4 and co, liquid substances such as organic acids, aldehydes, alcohols and other platform chemicals such as furfurals, levulinic acids, xylitols and ethanols can be produced

    木質生物質通過一定的降解或分解途徑，可產生很多有重要價值的有機小分子化合物，這些有機小分子化合物有葡萄糖、木糖、苯丙烷單體及二聚體，氣態小分子如ch4和co ，液態小分子如有機酸、醛、醇，重要基礎平臺化合物糠醛、乙酰丙酸、木糖醇、乙醇等。
  16. Abstract : the allylation reactions of hydrates of - keto aldehydes and glyoxylates by diallyltin dibromo were carried out in water to give - keto and - ester homoallylic alcohols in good to excellent yields

    文摘:在水相中， -羰基水合醛及水合醛酯與二溴二烯丙基錫作用可較高產率地生成-羰基和-酯基高烯丙基醇
  17. Nh2so3h was used to efficiently perform one - pot, three - component, biginelli condensation reactions of aldehydes, - ketoesters and urea under solvent - free conditions at room temperature by grinding method

    摘要以nh2so3h為催化劑，室溫無溶劑條件下，研磨芳醛、 -酮酸酯和尿素合成了一系列1 ， 2 ， 3 ， 6 -四氫嘧啶2 -酮衍生物。
  18. Pinacolization of aromtic aldehydes using zn montmorillonite - zncl2 and ultrasound

    2使芳香醛片吶醇化
  19. Reactive aldehydes from lipid peroxidation such as malonaldehyde ( mda ), 4 - hydroxynonenal ( hne ) are responsible for the modification of different biological macromolecular structures and functions by reacting with either sh - groups or amino groups of bio - molecules to form seminercaptals or schiff bases and lead to various aging - related alterations

    而我們則進一步提出這些不飽和的醛酮尤其是丙二醛（ mda ）與4 -羥基壬烯醛（ hne ）很可能是導致與疾病及衰老相關的老年色素類熒光物質的形成及血液粘度增加的內在原因之一。
  20. Progress in electro - synthetic technique of aromatic aldehydes

    芳醛電合成技術研究進展
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