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Fuzzy hypervolume niche was proposed to overcome the limitation of Hutchinson\'s niche concept and the formulas to measure two important indexes—niche width and niche overlap which can be easily applied in practice.

为克服Hutchinson的生态定义的局限提出了模糊超体积生态,以及度量生态的两个重要指标——生态宽度和生态重叠,新公式便于应用。

Based on Hutchinson niche and Guangxia Cao\'s definition, Fuzzy hypervolume niche evolves the theory of fuzzy niche: the niche is a fuzzy hypervolume; the niche of the species is a hypervolume with fuzzy boundary which is formed by the n-dimensional resources (time, space, temperature, humid, trophic,...) necessary for the species\' continuous existing and multiplying; membership of a point in the niche is equivalent to the adaptive degree of the species to the point of the environmental resources.

在Hutchinson生态和Guangxia Cao的定义的基础上,模糊超体积生态发展了模糊生态理论:物种的生态是可以使物种生存和不断繁殖的n维环境变量(时间、空间、温度、湿度、营养……)所形成的边界模糊的一个n维超体积;隶属函数表明n维资源空间的一个点x属于生态的程度,也表明物种对环境资源的适应程度。

Intravertebral clefts were observed in none of 11 cases on sitting and flexion positions, in 4 of 11 (36%) on extension, and 11of 11 (100%) on supine and prone positions.

在直立侧及过屈侧X射线平片上,11例患者均未出现椎体真空征,过伸侧上出现4例(36%),俯卧及仰卧均出现椎体真空征(100%)。

In complexes 8~16 synthesized by hydrothermal method, most of the ligands adopt multidentate coordination modes joining several lanthanide ions into high-dimensional coordination polymers. And changing of 5-substituting group on isophthalic acid has a little effect on the coordinated abilities of the meta-carboxyl groups.

水热法制备的配合物8~16中,配体多采取多齿配模式桥连多个稀土离子,形成高维配聚合物,同时由于羧基氧原子和稀土离子的强的键合力,间苯二甲酸的5取代基的变化对间羧基的配能力的影响不大。

The number of adults, nymphae and eggs of E. vitis is the most on the upper part of tea trees and the less on the lower. In Tieguanyin and Fuding White Tea, the distribution of eggs of E. vitis is both above the third leaf position.

在铁观音和福鼎大白茶茶树上,假眼小绿叶蝉卵的分布均以3叶以上为主,其中铁观音乌龙茶树上主要分布在2叶和3叶,分别占32.07%和27.01%,而在福鼎大白茶上主要分布在2叶和1叶,分别占35.42%和28.81%。

After induced with IPTG, the proteins expressed by different fragments were analyzed by SDS-PAGE, and the results showed that all these truncated proteins could be expressed in E. coli BL21. Bioassay result against Plutella xylotella showed that the active fragment of Cry1Ba3 protein was located between amino acid No. 22 and No. 655. As the insecticidal activity of the truncated protein containing amino acid No. 54-655 was declined significantly, and No. 22-627 and No.

采用浸叶法检测这些蛋白片段对小菜蛾的杀虫活性,研究结果表明含有第1~685和含有第22~655氨基酸的蛋白片段对小菜蛾的毒性,与全长Cry1Ba3蛋白相比,没有改变;含有第54~655氨基酸的蛋白片段对小菜蛾的毒力明显降低;而含有第22~627和含有第85~655氨基酸的蛋白片段完全丧失了对小菜蛾的活性。

An 8-bit counter with a 7-bit software programma- ble prescaler, a digital hardware activated watchdog function, a 14-bit voltage syn- thesis tuning peripheral, a Serial Peripheral Inter- face, up to six 6-bit PWM D/A converters, up to 7 8-bit A/D Converter, an on-screen display with 20 characters per line and 192 charac- ters.

一个87规划中的软件,竹叶提取预分频器,一个数字硬件看门狗功能激活,14电压的SYN -论文调谐外设,一个串行外设间面的,多达6个6PWM式D / A转换器,多达7 8A / D转换器,屏幕上显示每行20和192 charac - TER值在一家银行字符的。

The interaction is the constitution of theme and rheme in the text, too. the arrangement of theme and rheme is mainly carried out in the pattern of thematic progression.

新旧信息相互作用也就是主-述在语篇组织中的排列组合;主-述的排列组合主要是以主推进模式展开的。

Serologic screening for celiac disease was positive in 12 (4.5%) of 266 patients with osteoporosis and in six (1.0%) of 574 patients without osteoporosis. All but two serologically positive individuals underwent intestinal biopsy, which was positive in nine osteoporotic patients and in one nonosteoporotic patient. The prevalence of celiac disease confirmed by biopsy was 3.4% among the osteoporotic population and 0.2% among the nonosteoporotic population.

腹腔性疾病血清筛选为阳性者中,有12(4.5%)为骨质疏松者,另有6(1.0%)为非骨质疏松者;除了其中的两,其他的阳性反应患者皆进行了小肠的切片检查;结果显示,骨质疏松者中有9为确定腹腔疾病病例,非骨质疏松者中则有1;经过切片检查的确认,骨质疏松者的腹腔疾病流行度为3.4%,非骨质疏松者则为0.2%。

In this study, the DNA fragments coding for amino acids 133~158 of VP1and 20~34 of VP4protein of type Asial FMDV were chemically synthesized and ligated into a tandem repeat 133~158-20~34-133~158. The sequences of signal peptide of Igκ chain and Kozak were fused to the 5'end of this tandem sequence and synthetic oligodeoxynucleotide containing CpG-ISS was fused to downstream of terminal coden of this tandem sequence. And then this long fragment was cloned into the eukaryotic expression plasmid pHook-2, forming a new secreted expression plasmid, named pAS1-E.

在第二章证明了亚洲Ⅰ型口蹄疫病毒VP1蛋白中133~158氨基酸残基确是一重要B细胞中和抗原表的基础上,依据第一章获得的口蹄疫病毒亚洲Ⅰ型VP1 cDNA序列及已报道Asial VP4序列,采用真核偏爱密码子化学合成了VP1中编码133~158氨基酸及VP4中编码20~34氨基酸这两个抗原表基因,将其组成133~158-20~34-133~158串联结构,在其5′端加上鼠Igκ链信号肽序列,在翻译调节区加上增强表达的Kozak序列,同时在133~158-20~34-133~158串联结构3'端终止密码子下游加上CpG免疫刺激序列,将这些片段连接后,克隆到真核表达载体pHook-2上,构建成功了DNA疫苗重组表达载体pAS1-E。

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