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Another method for determining primary structure is to employ Edrnan's , which reacts quantitatively with the free amino group of a peptide to yield the corresponding pheny lthiocarbamoyl peptide, leaving the rest of the peptide chain intact.

另一种可以决定初级结构的方法是用埃德曼降解法,它们能与肽键上的游离氨基定量反应,产生相应的苯氨基硫代甲酰肽,而其余的肽链保持不变。

The source,existing form and equilibrium of carbonic acid in natural water are presented in this article,which points out that alkalinity is determined by double indicator that indicates purply at the first terminal point,while at the second terminal point should use methyl red-bromocresol green mixed indicator.

介绍了天然水体中碳酸的来源、存在形式及平衡关系;指出用&双指示剂&法测定水中碱度的第一终点应显粉紫色,第二终点宜采用甲基红-溴甲酚绿混合指示剂;测定游离二氧化碳要用双样测定并严格控制滴定终点;各种碳酸的含量可与pH值、硬度的测定结果进行校核。

Experimental study on effect of acetic acid and carbonic acid on clay's geotechnical behaviors;2. The source,existing form and equilibrium of carbonic acid in natural water are presented in this article,which points out that alkalinity is determined by double indicator that indicates purply at the first terminal point,while at the second terminal point should use methyl red-bromocresol green mixed indicator.

介绍了天然水体中碳酸的来源、存在形式及平衡关系;指出用&双指示剂&法测定水中碱度的第一终点应显粉紫色,第二终点宜采用甲基红-溴甲酚绿混合指示剂;测定游离二氧化碳要用双样测定并严格控制滴定终点;各种碳酸的含量可与pH值、硬度的测定结果进行校核。

Art Unforbidden is a purely academic exhibition with an international bent. Its goal is to provide a vista of the future of art.

年轻的艺术实践者们在对创作灵感进行瞬间定格和形象化的同时,还必须具备一种游离在创作激情之外的&冷静与平和&的心态。

The complex reaction between protein and polyphenols was studied on the basis of content variations of dissociated protein.

本实验根据游离蛋白质含量的变化,以其在595nm的波长下的吸光度为指标,研究多酚物质与蛋白质的络合起混反应。

However, a steady input of evidence for the transcription-independent function of p53 in apoptosis has been accumulating recently. Although a detailed mechanism has not yet been determined, recent data have revealed that upon an apoptotic stimulus, p53 translocates into mitochondria to interact directly with Bcl-2 or Bcl-xL to displace and activate proapoptotic Bax signaling.

但是,还有研究证明p53也通过转录非依赖的形式来调节细胞凋亡,尽管这个作用的机制还没有被详细的阐明,但是最近的研究报道说明了,p53可以直接转移定位到线粒体上,与Bcl-2或者Bcl-xl结合后,从而使Bax游离下来并活化。

A new strain of Brevibacterium casei with high nitrilase activity was screened from natural environment and could convert nitrile into carboxylic acid.

从自然源筛选到的一株腈水解酶产生菌乳酪短杆菌,能够高选择性地将腈转化为羧酸,初步研究了该菌株所产的腈水解酶在游离细胞形态下的催化特性,包括热稳定性、pH稳定性、金属离子和添加剂的作用、溶剂耐受性及底物特异性等。

The grain filling of superior spikelets was a continuous progressing process without interruption: Free nucleus→endosperm cell formation→endosperm cells differentiating into aleurone layer and starchy endosperm→composition and storage of reserve materials such as starch and storage proteins.

水稻强势籽粒的胚乳发育是一个无间断的连续过程,经过游离核期→胚乳细胞化→胚乳细胞分化发育成糊粉层和淀粉质胚乳→合成和累积淀粉、蛋白质等贮藏物质,约在20d以内完成胚乳发育的全过程,不同强势籽粒的胚乳发育进程大体一致。

The reaction conditions including the molar ratio of methanol to oil, amount of alkaline catalyst used, and reaction temperature and time were optimized by the mono-factor and orthogonal tests.

通过棉籽现场碱催化转酯化联产生物柴油和无毒棉粕,考察了棉仁中水的质量分数、粒径对产物中脂肪酸甲酯的质量分数和棉粕中游离棉酚质量分数的影响;对反应过程中的醇油摩尔比、反应时间、催化剂用量、反应温度进行了单因素和正交实验考察。

Results: The physiological and pathological characteristics of the old patients make the repair of the ulcers rather complicated. Change of dressings is the basis of all treatment, free skin grafting is the most widely applied and safe method among the surgical operations skin flap transposition is suitable for treating deep tissue exposure and those suspected of canceration. Amputation is indicated for those with extremities cancer and systemic amyloid degeneration.

结果:老年人特有的生理、病理特点决定了创面修复的复杂性,换药是一切治疗的基础,游离植皮是最安全、应用最广泛的手术方法;皮瓣转移适用于有深部组织暴露或疑有癌变患者;截肢适用于肢体远端高度疑有癌变或已引起全身淀粉样变者。

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推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。