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Results showed that soil micro-morphological features of different treatment with straw return and plowing are changed in soil basic components, pedological feature, coarse and fine material, fabric and structure.

结果表明:两个试验区秸秆还田翻耕与免耕处理后,在土壤基本组成成分、形成物、土壤粗质和细质、土壤垒结及微结构等微形态特征方面均有一定的特点和明显变化。

The successful transfection of perifollicular cells was quantified by elisa.

制备得到的质脂质体制剂能够将质转染进皮肤细胞并介导体内瞬时表达。

Comparison from the Germany isolate, phocine distemper virus type Ⅱ(PDV-2) and vaccine strain, the major difference is the long signal peptide domain while the mature protein exhibit high identity, and all of the 13 serine residues, four potential asparagine glycosylation sites and two hydrophobic regions supposed to affect the fusion function are completely identical. These data supports the view that F protein is more conservative than H protein in CDV.

三、犬瘟热病毒中国分离株囊膜糖蛋白基因免疫小鼠诱发的抗体应答经一系列步骤将CDV-YZ0101株的两囊膜糖蛋白基因定向导入真核表达载体pcDNA3.1中,DNA测序和酶切分析筛选阳性重组质克隆pcDNA-H和pcDNA-F,以重组质DNA和脂质体共转染COS-7细胞,用间接免疫荧光试验证实转染的COS-7细胞的胞浆中分别表达了CDV的H和F蛋白。

Objective To investigate the possibility of self-assembling gene nanoparticles between the amphiphilic chitosan derivative and plasmid DNA, and study the interaction mechanism between N -methylene phosphonic chitosan and plasmid DNA, which might provide a new strategy for developing safe and efficient non-viral vectors.

目的 探讨双亲性壳聚糖衍生物与质DNA通过自组装的方式形成基因纳米子的可行性,考察载体与质DNA的相互作用机制,为开发安全高效的非病毒载体提供新的途径。

The effects of doping content on the structure,absorption of light and photoactivity of iron doped titania were studied.

当半导体径为纳米级时,由于表面效应和量子尺寸效应的存在,使光催化活性大大提高,且与其径成反比。

The phytopathogenic fungus Fusarium graminearum has been transformedusing a plasmid (pAN7-1) containing the Escherichia coli hygromycinphosphotransferase gene. Stable hygromycin-resistant transformant coloniesappeared at frequencies between 2 and 10 per μg plasmid DNA.

将含有大肠杆菌中潮霉素B磷酸转移酶控制基因的质pAN7-1转化入小麦赤霉病菌野生菌株中,结果表明,pAN7-1的转化效率为2-10个/μg质DNA。

01 Ordinary pimpled rubber is a single layer of non-cellular rubber, natural or synthetic, with pimples evenly distributed over its surface at a density of not less than 10 per sq.

胶是单层无泡沫的天然合成橡胶,其颗应平均分布布整个表面,每平方公分不得少於10、亦不得多於30

Objective: To elucidate the immunomodulatory mechanism of phenylethanoid glycosides from the seeds of Plantago asiatica by testing its effects on the maturing of murine bone marrow derived dendritic cells.

中文摘要:目的:探讨大车前子中苯乙醇苷类化合物对小鼠骨髓来源树突状细胞功能调节的影响,为进一步阐明大车前子的免疫调节活性提供依据。

The results indicate that Pt-based alloys appear circular shape and distributehomogeneously on the carbon, the particle size is homogeneous and about 2~4nm. The crystalline form is platinic face-centered cubic and most of crystalplane is Pt(111), the doped metal elements dont form simple substance and existas Pt-M alloy formation.

研究表明,制备的Pt基合金微基本呈圆形,金属颗在活性炭表面上分布均匀,径也较为均匀,径范围约2~4 nm,晶型结构仍以Pt面心立方晶系存在,晶面以Pt(111)居多,掺杂的元素原子未单独形成单质颗,而是以Pt-M合金的形式存在。

The high content of Iohexol, a contrast media, in nanogel based on PNIPAAm dispersion had a profound effect on the volume phase transition of nanogel particles and thermosensitive phase behavior of nanogel dispersion, which mainly due to the presence of Iohexol with polyhydroxy group changed the micro-environment of nanogel particles.

这主要是因为多羟基的碘海醇的存在改变了纳米凝胶周围的微环境,使纳米凝胶在较低温度时处于收缩状态,并使纳米凝胶的VPTT比不含碘海醇的水分散体的升高10℃。

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歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

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