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Poly/halloysite nano-tubes composite was prepared by means of melt blending, and the structure and property of the composite were studied.

采用熔融共混的方法,制备了聚对苯二甲酸丁二醇酯/埃洛石纳米管复合材料,并对PBT/HNTs复合材料的结构与性能进行了研究。

After culture in 2, 6-dimethoxyl pbenzoquinone for 24-26 h, the anterior part extended, formed the protuberance, then transformed into a root hair-like structure called primary haustorium.

用2,6二甲氧基-对苯醌培养肉苁蓉24-26小时后,其先端膨大并产生突起,形成类似根毛状的结构,即初生吸器。

The anthelminthic effect of albendazole oxide was observed a nd deter mined on sheep naturally infected with parasitic helminth.

用自然感染蠕虫的绵羊观察并确证氧阿苯哒唑对绵羊蠕虫的驱除效果。

A novel carbonyl transposition led by anilines'nucleophilic addition to methyl 2-keto α-D-glucopyranoside was discovered. And the mechanism of the reaction concerned to an enol rearrangment was provided through tracing the change of 〓H-NMR and 〓C-NMR of a hemiacetal intermediate which was obtained in the reaction of o-phenylene diamine with 2-keto glycoside. Both the intermediate and the converting product were identified by 〓H-NMR,〓C-NMR,〓H-〓H COSY and HMQC.

一、发现了2-位氧化α-甲基D-葡萄糖苷的芳胺亲核加成引起羰基转位的新方法,利用核磁共振氢谱及碳谱对邻苯二胺与2-位氧化α-甲基D-葡萄糖苷加成生成的稳定中间体半缩酮化合物在氘代丙酮中的变化进行跟踪,结合对转化产物的氢氢相关谱和HMQC结构确证,提出了该反应中2-位羰基通过烯醇化互变而转至3-位的机理并得到了验证。

MethodsA total of 63 patients with AAA from benzolism who underwent treatment for the first time were investigated for marrow test including myeloproliferative degree, ratio of every hemocyte system, hemocyte division, megakaryocyte count, plasm vacuoles, and hematopoiesis exponent, which were compared with that of those with primary AAA at the same time.

63例初治苯中毒AAA住院病例,入院时行骨髓检查,分析骨髓增生程度、各系的比例、细胞分裂像、巨核细胞数、胞浆空泡及造血指数积分,并与同期收治的原发性AAA作比较。找寻其特点。

The efficacy of triclabendazole made in China was tested againstFasciola hepatica in naturally infected goats and compared with that of niclofolan.

以国产三氯苯咪唑对自然感染肝片形吸虫的山羊进行了驱虫试验,并以硝氯酚为药物对照。

The equilibrium and dynamics of benzene and toluene of low concentration in heptane adsorbed by molecular sieve-NaY were studied.The Langmuir?

研究并比较了NaY分子筛对正庚烷中低浓度苯、甲苯的吸附平衡及动力学。

A Marcus electron transfer theory coupled with an incoherent polaron hopping and charge diffusion model in combining with first-principle quantum chemistry calculation was applied to investigating the effects of heteroatom on the intermolecular charge transfer rate for a series of heteroacene molecules.

结合第一性原理的量子化学计算,在极化子跳跃和电荷扩散模型框架内应用Marcus电子转移理论研究了杂原子取代对一系列杂原子化的多并苯分子的分子间电荷转移速率的影响。

Fumed-silica surfaces were modified with resorcinol and hexamethylenetetramine complex, and NR/M-silica nanocomposites were prepared in mixing and curing process. Structure and properties of NR/M-silica nanocomposites were investigated by mechanical testing ,cross-linking density determination, transmission electron microscopy, differential scanning calorimetry, fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that M-silica have obvious reinforcement effect on NR vulcanizate.

用间苯二酚与六亚甲基四胺络合物对气相法白炭黑进行表面改性,通过混炼和硫化制备了天然橡胶/改性气相法白炭黑(NR/M-silica)纳米复合材料,并通过力学性能测试、交联密度测定、透射电镜、差示扫描量热法、红外光谱和X射线光电子能谱等手段研究了纳米复合材料的结构和性能。

As a result, an appropriate condition for benzene molecules dissolving homogeneously in supercritical water is recommended.

通过分析得出了苯在超临界水中亲水的结论,并推荐了较为适宜的亲水超临界条件。

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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。