甲胺

Objective: To observe the protective effect of methycobal on the neuron of damaged sciatic nerve in rats.

目的：观察甲钴胺对坐骨神经损害后背根神经元病理形态改变的影响。

Preliminary experiments show that the rate of condensation of sulfanilic acid with 4-[4-(4-Ni-tro-2-sulfostyryl)-3-sulfophenyl-azo]-3-methyl-1-phenyl-5-pyrazolol is slower than those of p-phenylene diamine a...

对氨基苯磺酸和4-[4-(4-硝基-2磺基苯乙烯)-3-磺基苯偶氮]-1-苯-3-甲-5-羟吡唑在稀的氢氧化钠溶液中缩合的速度，较对苯二胺及对氨基苯甲酸为慢。

The results showed that dimethyl sulphoxide and formamide were not rational choices for gel spinning process of high-relative viscosity nylon 6 when m- cresol, sulfonic acid and form.

结果表明：二甲基亚砜和甲酰胺不宜作高相对粘度尼龙6的冻胶纺丝溶剂，硫酸、甲酸和间甲酚比较适宜；提高温度有利于降低剪切速率，质量分数为12％的间甲酚溶液和质量分数为9％的甲酸溶液作溶剂，其尼龙6溶液分别在50～60℃和45℃以上有较好的可纺性；溶剂对尼龙6晶体结构的形成有着重要的影响。

These results suggest that the antiallodynic effectof Neurotropin is mediated via activation of descending paininhibitory systems, such as the noradrenergic and serotonergicsystems, which project from supraspinal sites to the spinaldorsal horn.

这些结果表明神经妥乐平的镇痛作用是通过激活疼痛下行抑制系统实现的，如去甲肾上腺素系统和5-羟色胺能系统，它们是从脊髓发出至脊髓背侧角。

A series of polys based on pyromellitic dianhydride, biphenylyl tetracarboxylic dianhydride, thiodiphthalic dianhydride bis benzene dianhydride and oxydiphthalic dianhydride were prepared in different solvents.

以所合成的AB_2单体为原料，合成了一系粘度较低、溶解性良好，带端酚羟基、苯甲酰基、乙酰基、氰代苯基和苯酰苯亚胺基的芳香族超支化聚酰亚胺，通过核磁波谱、红外光谱分析和元素分析对其结构进行确证。

The compound of BNTMBP wassynthesized by the condensation reaction between 4-chloronitrobenzene (4CNB) and 4, 4'-dihydroxy-3, 3', 5, 5'-tetramethyl biphenyl in the presence of potassium carbonate in the mixture solvents of N, N-dimethylformamide and tolune.

4， 4'-二羟基－3， 3'， 5， 5'-四甲基联苯、4-氯硝基苯(4CNB)和碳酸钾在N， N-二甲基甲酰胺和甲苯的混合溶剂体系中回流反应，合成得到了4， 4'-双（4-硝基苯氧基）－3， 3'， 5， 5'-四甲基联苯；随后，在Pd/C-水合肼的还原体系中，被进一步还原，得到了4， 4'-双（4-氨基苯氧基）－3， 3'， 5， 5'-四甲基联苯。

Therefore, in the laboratory, a 2L gasliquid equilibrium measurement device was used to measure the equilibrium solubility of H2S, CO2, CH3SH and COS in the mixed solutions of Methyldiethanolamine, Tetramethylene sulfone respectively under different temperatures and different proportions. With the relevant parameters being correlated from the measured data, a corresponding thermodynamic calculation model was set up, based on the gasliquid two phase state equilibrium equation, and in combination with the overseas research results.

为此，在实验室利用容积为2 L的气液平衡测定装置，测定了不同温度和溶液配比条件下硫化氢、二氧化碳、甲硫醇、硫氧碳在甲基二乙醇胺（Methyldiethanolamine，MDEA）、环丁砜（Tetramethylene sulfone，TMS）水溶液中的平衡溶解度，并根据气液两相平衡状态方程，结合国外研究成果，利用测定的平衡溶解度数据关联出相关参数，建立了相应的热力学计算模型，用于预测该复杂体系中酸气分压与溶液负荷的气液平衡关系。

The dispersion behavior of Si〓N〓 nanopowders in N-N-dimethylformamide was studied, and triethanolamine was selected as a dispersant.

对激光法纳米Si〓N〓在二甲基甲酰胺中的分散行为进行了研究并找到了合适的分散剂三乙醇胺。

The other type of trimeric product containing 2 ferrocene units has also been synthesized. Its 13C NMR anal.

通过混合三聚反应，也合成了另一类含两个二茂铁化合物， N，N'-二-2-羟基-5-特丁基苯甲二胺。

METHODS: The maximum number of platelet binding sites and their affinity for [3H]-rauwolscine, a selectie alpha 2-AR antagonist, were measured in unmedicated and medicated major depressed patients and in normal olunteers.

背景：曾认为抑郁症可以伴随中枢α2肾上腺素受体密度的降低，继发突触前儿茶酚胺神经元负性反馈的损害，导致刺激后去甲肾上腺素输出和释放去抑制功能的减弱。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。