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Respiratory-related burst activities were recorded from hypoglossal nerve rootlets before and during superfusion of theslice preparation with L-Arginine, sodium nitroprusside or 7-nitro indazole (7-NI, an in-hibitor of NO synthase).

同时保留舌下神经根，用改良Kreb's液灌流脑片并记录与之相连的舌下神经根呼吸节律性放电(respiratory rhmical dischargeactivity，RRDA)，在灌流液中分别给予不同浓度的NO供体硝普钠(sodium nitroprusside，SNP)，NO合成前体L-精氨酸(L-Arrginine，L-Arg)以及神经元型一氧化氮合酶(neuronal nitric oxide synthase，nNOS)特异性抑制剂7-nitro indazole(7-MI)，观察其对RRDA的影响。

The method causes bandicoot full head to be short of hematic model through 4 arterial ligate, applied NO electrode is short of blood to reach in full head to area of bandicoot sea horse again change of chroma of the NO below perfusion condition undertakes real time detects.

梗概： 目的探索大鼠海马区在全脑缺血及再灌注状态下NO浓度变化的动力学。

In the L-Arg group, the amount of NO and SOD increased significantly (P.01, P.01), whereas that of MDA decreased (P.05), and the damage in the nephric tissue and renal function was alleviated,as compared with the control group.On the contrary, the amount of NO in the L-NAME group decreased significantly (P.05) compared with the control group.

给予L-Arg组大鼠肾组织中NO含量较对照组增加显著（P.01），SOD活性增高（P.01），MDA水平降低（P.05），肾功能改善，肾脏组织结构损伤减轻。

But the effluent ammonium in the anoxic reactor, where enough NO2 present were present, was equal to the blank system, and no ammonium was converted to such nitrogen compounds as NO-2 and N2 by Nitrosomonas eutropha using NO2 as electron acceptor, which maybe caused by lack of the function bacteria.

但在足够NO2存在并且缺氧的条件下，单级自养脱氮系统内的出水氨氮浓度与空白反应器相当，NH+4并没有被亚硝化单胞菌以NO2为电子受体氧化为NO-2和N2等化合物而得以去除，可能是因为系统内不存在该类型的亚硝化功能菌。

In this dissertation, electrophilic reactions of Nitrosonium with imines, aza-Diels-Alder reactions of N-arylimines with a variety of electron rich olefinic compounds induced by NO~+, and photoreactions of N-nitrosodiphenylamine with aromatic amines were studied.

本文研究了：(1)NO~+与亚胺双健发生的亲电反应；(2)NO~+引发的芳香亚胺和富电子碳碳双键作为亲二烯体的氮杂Diels-Alder反应，高选择性地得到了一系列四氢喹啉的衍生物；(3)N—亚硝基二苯胺与芳香胺发生光化学反应得到了一系列偶氮苯类化合物。

Next, the relaxation of TAPP-Co-NO was investigated on isolated aorta pectoralis circle in the rabbit.

合成并结构表征 meso -5，10，15，20-四钴卟啉-NO配合物作为NO供体。

Macrophages treated with ConA showed increased ability to phagocytize hen red blood cells and Mycobacterium tuberculosis, especially for their phagocytic index. ConA promoted murine peritoneal cells to prduce NO.

ConA处理组腹腔Mφ产生NO的水平显著高于PBS对照组，ConA刺激后iNOS在胞浆中表达；并且500μg／只ConA组Mφ产生NO的水平及iNOS的表达强度显著高于100μg／只ConA组（P.01）。

NO plays an important r ole in the genesis and development of the primary hepatocarcinoma,whose data are of great value for diagnosing、treating and predicting prognosis of the primar y hepatocarcinoma.

5132，P=0.0174。结论 NO在原发性肝癌的发生发展中起重要作用，肝癌患者血清NO水平测定对肝癌诊断、治疗及预后的评价具有一定的意义。

In bioconv ertion experiment for spiramycin of No.5 transformant, the bioconversion product was analysed with TLC, bioautography, HPLC and mass spectrum.Results showed that the bioconvert product is propionyspiramycin. Propionyl acylase gene was l ocolized on 0.53 kb insert DNA fragment of recombinant pasmid pLJM95. Analysis result of DNA sequence showed that content of G+C is 68.2% for 0.53kb insert DNA fragment .

以No.5转化子对螺旋霉素进行生物转实验，其转化产物经薄层层析，生物显迹，高压液相色谱及质谱分析表明，与标准丙酰螺旋霉素一致，这说明 No.5 转化子具有将螺旋霉素生物转化为丙酰螺旋霉素的能力，丙酰化酶基因位于重组质粒，pIJM95 0.53kb 插入DNA片段上。

The influences of oxygen,reburn fuel fraction and coal particle size on specific NO reduction quantity were analyzed.

实验与分析结果表明：NO还原效率高并不意味比脱硝量高；NO还原效率随O2浓度降低和再燃燃料比增加而单调增加，但比脱硝量变化规律相对复杂。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐