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Amerancain tested were highly susceptible, on which phylloxera survival rate remained 40%~60% in 29 days after inoculation, and relatively stable thereafter. In parallel, phylloxera produced 7~12.35 eggs per day and summed up to the total of 190 eggs.

所有供试欧亚种和欧美杂交种的栽培品种都对根瘤蚜高度敏感,接种后第29d蚜虫存活率仍保持在40%~60%,且前后变化较小,日产卵量变化于7~12.35之间,总产卵量均在190以上。

Results showed that the rootstocks RSB, Gravesac, 520A and 225R were immune to phylloxera infestation. Fercal, 1613C and the HPDs was resistant to phylloxera to some extent, whose tuberosities % were less than 27%. The Both Henan wild grapes and V. adenocluda were highly sensitive to phylloxera,whose tuberosities were 66.25% and 56.67% and phylloxera produced 181.67 and 277.67 eggs on each of them; V.guangxi-quinquangularis had low resistance, whose tuberosities were 15.45%, its hybrid with a V.vinifera variety NW196 was sensible to phylloxera, whose tuberosities and egg number phylloxera produced were 46.13% and 55.28% higher than V. guangxi-quinquangularis.

结果表明:砧木RSB、Gravesac、520A和225R对根瘤蚜免疫,砧木Fercal、1613C和供试的种间杂种对根瘤蚜有一定抗性,根瘤比例均低于27%;河南野葡萄和腺枝葡萄对根瘤蚜敏感,根瘤比例分别为66.25%和56.67%,总产卵量分别达到181.67和277.67,广西毛葡萄对根瘤蚜有一定抗性,根瘤比例为15.45%,其与粉红玫瑰的杂交后代NW196抗性下降,产卵量与根瘤比例分别比广西毛葡萄高46.13%和55.28%。

According to the results of experiments, we get to know that the diameters of particles of C.I. Vat Blue 4 are about 0.5μm, which meets the requirement of spun-dyed viscose as a dyed-reagent. The choice range of color will be increased when pigmental dye is used as a dyed-reagent for spun-dyed viscose.

通过实验可知,对还原蓝RSN进行颜料化后,其径可以达到甚至低于0.5μm的水平,满足粘胶纺液着色加工时对着色剂的径要求,可以应用于粘胶的纺液着色纺丝加工,这将扩大纺液着色加工时对色彩的选择范围。

The papA gene was amplified from the pilus adhesive cluster of UPEC132, and then was cloned into plasmid pUC18. The recombinant plasmid was identified and subjected to DNA sequencing.

采用此引物扩增132菌株p菌毛粘附基因群的papA基因,扩增产物克隆入质,选取阳性重组质进行核苷酸序列分析。

The effect of the three rotation planting methods on the amount of the available sulphur in the soil was studied.The results indicated that the total available sulphur content under the three different rotation plantin...

施硫可增加小麦的穗长、穗数,增加油菜单株结荚数、角果长和角数,从而增加了小麦和油菜的产量,施硫45 kg/hm2使小麦、油菜产量的增幅分别为6.5%~17.3%和

Results:Mutant CD59 cDNAs subcloned into the mammalian expression vector PLATER and transfected CHO together with the pcDNA,which confered resistance to G418. The positive clones were tested by FIH.

结果:运用阳离子脂质体导入法将重组pALTER质与pcDNA3质共转染CHO,成功筛选出的阳性克隆经FIH证明突变CD59可在CHO细胞表达。

In the second part, we developed a new approach for the preparation of highly dispersed carbon black platinum nanoparticle with different geometric shapes by introducing clay (0 to 33%) as a dispersing agent in 5% Nafion co-solvent suspension without any organic solvents. FE-SEM analysis of CB/clay (100/0, 85/15, 67/33) was achieved CB particles with an average diameter of 40-60 nm. The hydrophilic property of the hybrid material was effectively improved in the presence of the clay was observed in sessile-drop test.

第二部分中我们发现在燃料电池之触媒制备常利用碳黑作为载体,碳黑在水中分散程度不一,而有机分散剂之电阻质较高常导致触媒用量提高增加成本,在本论文中我们利用几何片状结构的黏矿物与Nafion溶液做为分散剂巧妙的将碳黑分散,在不同黏土矿物与碳黑之不同比例(clay/CB 0/100, 15/85, 33/67)下进行分散,在SEM及TEM鉴定下证明其分散程度而碳黑径约40-60 nm。

These QTLs, particularly qNFGP-3-2 and qTNSP-3 with stronger additive effects and higher contribution rates would be further studied for fine-scale mapping and/or cloning. Some intervals with QTL cluster were determined in QTL mapping and most of the QTLs tended to have pleiotropism.

这些QTL,尤其是第3染色体RM168-RM143区间控制每穗总数的qTNSP-3和控制每穗实数的qNFGP-3-2,其加性效应值和贡献率均较大,可以考虑下一步进行QTL精细定位和克隆。

In order to study the expression and functional characteristics of dehydrin gene during different growth, and make the polycolonal antibody, using wheat plumelet under the water deficit condition as experiment material, and its total RNA was extracted. The target dehydrin gene through RT-PCR was got, connect to the cloning vector PUCM-T, recombination expression plasmid PET-32a-wzy1-1 was constructed according to recombination of cloned vector PUCM-T-WZY1-1 of wheat dehydrin gene in this experiment.

为研究小麦在不同时期脱水素基因的表达情况和生物学功能及抗体制备,以小麦幼芽为材料,经干旱胁迫处理后,提取总RNA,通过RT-PCR得到小麦类脱水素基因片段(WZY1-1),再连接至克隆载体PUCM-T,并成功构建重组表达质PET-32a-wzy1-1,将阳性重组质转化于受体菌BL21(DE3)感受态细胞中,经IPTG诱导表达,进行表达产物的聚丙烯酰胺凝胶电泳检测。

Rb-Sr isochron age of porphyroid fine granite most closely related with molybdenum mineralize is 154Ma,K-Ar isochron age is 152Ma.

研究表明,分布广泛的似斑状中粗花岗岩K—Ar年龄为219—188Ma,与钼矿化有密切关系的似斑状细花岗岩Rb—Sr等时线年龄为154Ma,K—Ar等时线年龄为152Ma。

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