查询词典 acid radical

Evidences show that excitotoxcities of excited amino acid and free radical, Ca2+ overload, environmental alteration of neurons, mitochondrial dysfunction and activation of some apoptotic genes may be involved in it.

缺血性脑卒中确切的神经元凋亡机制尚不清楚，目前认为可能与兴奋性氨基酸、Ca2+超载、自由基的毒性作用、神经元生存环境的改变、线粒体功能障碍及凋亡调控基因的激活等因素有关。

KEY WORDS: ethanol, ascorbic acid, hydroxyl radical, striatum, serotonergic drugs

但它们可以延长乙醇引起的AA释放的时程，同时HO·的生成的增加被抑制。

The rate constants of the reaction of α-tocopheroxyl radical with linoleic acid,〓, were determined to be 0.43 and 0.60〓 in SDS and CTAB micelles respectively by using stopped-flow EPR technique, which are in good agreement with the results obtained from the computer simulation.

同时，通过停止-流动的EPR方法我们测定了α-生育酚自由基在SDS与CTAB胶束中与底物亚油酸的反应速率常数〓分别为0.43与0.60〓，与我们通过计算机模拟得到的值比较接近。

Improvement of Residue by Hydrocracking with Solid Acid, Solid Base and Radical Initiators

固体酸／碱和引发剂促进渣油轻质化的初步研究，石斌；任振东；门秀杰；方日强；阙国和-66文免费论文库，大学生论文库

Previously Daljeet et al, using a 14CO2 quantification method, have demonstrated the generation of hydroxyl radical by arachidonic acid in platelets.

过去由Daljeet et al等人使用14CO2 quantification 技术研究指出，花生四烯酸能使血小板产生氢氧自由基，但其使用的是间接的方法测定自由基的含量。

The preparation of polymer/montmorillonite intercalation composite materials has been studied by applying two kinds of photo polymerization reaction (photo acid generation and photo radical generation)in this work.

用小角X光衍射技术对产物内蒙脱土的结构进行表征，结果表明，蒙脱土经改性后能很好地使聚合单体及预聚物插入黏土层内并在光照下"就地"聚合生成光聚合复合材料。

In this dissertation, the stable radical cation salts ofphenothiazine and 10 - alkylphenothiazine alky=〓(〓 hexachloroantimonate,perchlorate and iodide were prepared by one- electron oxidationwith 2,2,6,6-tetramethyl - 4 -acetyloxypiperidine oxoammoniumhexachloroantimonate, perchloric acid/hydrogen peroxide andmolecular iodine respectively, and they were characteried by UV -Vis spectroscopy and ESR spectroscopy.

本文的主要内容有：吩噻嗪和10-烃基吩噻嗪分别被碘、高氯酸／过氧化氢，2，2，6，6-四甲基-4-乙酰氧基哌啶氧铵六氯锑酸盐氧化为相应的正离子自由基碘盐、高氯酸盐、六氯锑酸盐，并用UV-Vis光谱和ESR波谱进行了鉴定和研究。

Methods An oxygen free radical generation system FeSO4/ Ascorbic acid was used.

目的 观察氧自由基对线粒体的损伤以及牛磺酸的保护作用。

This company produces stops itches the scented soap, uses the sod biological activity material hyperoxide mutase, blends the chinese medicine extraction to stop itches the factor bee glue, the honey and so on, can the effective elimination in vivo ultra oxygen anion free radical, have the unique effect to the old age skin pruritus, after taking a bath, can cause the skin moisturizer not dry, not to stimulate the skin, not to have the unusual smell, can protect the skin, the crisp body effectively, causes the skin to achieve the acid-base equilibrium, to stop itches, the sterilization, run skin's function, is the senior citizen bathes daily the skin care standing-by wash thing.

止痒香皂，采用 sod 生物活性物质超氧化物歧化酶，配伍中草药提取止痒因子蜂胶、蜂蜜等，能有效的清除体内的超氧阴离子自由基，对老年皮肤瘙痒症有独特功效，洗浴后能使皮肤保湿不干燥、不刺激皮肤、无异味，能有效呵护皮肤、爽身，使皮肤达到酸碱平衡、止痒、杀菌、润肤的作用，是老年人日常沐浴护肤的常备洗涤用品。

Invivo, GSH is the responses auxiliary base of many enzyme, It can eliminate free radical, detoxicate、accelerate the absorb of iron substrate and participate the traffic of amino acid, etc.

在体内，GSH是许多酶反应的辅基，具有清除自由基、解毒、促进铁质吸收、参与氨基酸的转运等多种生理功能。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。