采自

Key words: Amanita; rDNA; ITS sequence analysis; classification and identification; Macrofungi

本研究在对采自浙江西南部丽水山区的7个鹅膏菌标本进行初步鉴定的基础上，对7个鹅膏菌的rDNA ITS区段进行序列测定和序列特征比较分析，并进一步对ITS序列进行核酸序列数据库GenBank同源性检索比对，构建起系统发育树以期为基于传统形态特征对7个鹅膏菌做出的分类鉴定提供分子依据。

Two compounds compounds (1 and (2) were isolated from Ascidian Styela clava collected near Qingdao.

从采自青岛海域的柄海鞘 Styela clava中分离得到两个化合物(1)和(2 )。

Asphaltum is a brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.

沥青，是一种黑褐色固体或半固体沥青混合物，采自天然矿藏或是石油的副产品，用于铺路，封屋顶和防水。

So the results made it clear that these two phytoplasma strains are one of the members of Aster yellows phytoplasma group (16SrI-B, rp-B group).

本研究同时还运用PCR-RFLP技术对上述两个植原体株系进行酶切图谱比较分类鉴定以及确定来源不同的苦楝丛枝病植株是否存在不同亚组的植原体株系复合侵染的现象，结果也表明这两个株系均属于翠菊黄化组B亚组，且采自不同省份的两个苦楝丛枝病植株没有植原体株系的复合侵染。

Feasibility study on application of DNA bar-coding technology in molecular identification of ScolytideaCO I gene of 15 bark beetle species collected from different regions and host is studied to discuss the feasibility of application of DNA bar-coding technology in Scolytidea molecular identification.

基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性研究通过对采自不同地区、不同寄主的15个小蠹虫样本的线粒体COⅠ基因研究，对基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性进行了探讨。

The biotype, genetic structure and invasive mechanism of B. tabaci populations from different regions were investigated using several kinds of molecular markers.

本研究使用分子标记方法对采自国内外近30个地区的烟粉虱种群的生物型，遗传结构以及入侵分子机制等进行了深入的研究。

We studied polymorphisms of 23 microsatellite loci from 23 chromosomes in an indigenous breed of Xuefeng black bone chicken from Hunan in order to elucidate its genetic diversity and structure and to propose reasonable measures for its conservation and utilization.

为了评价雪峰乌骨鸡现有品种资源的遗传背景、群体遗传结构等，提出合理的保种方法和措施，本研究筛选了家鸡基因组23条染色体上的23个微卫星标记，对采自湖南怀化的50只纯种乌骨鸡个体进行了多态性检测。

Almost all of the code in this chapter was derived from techniques introduced by Todd Yard in chapter 10 of Macromedia Flash MX Studio(friends of ED,2002),Todd is also the technical reviewer on this book, so it's not like I was going to sneak anything past him!

几乎本章所用的数码都是采自第10章Macromedia Flash MX Studio里面Todd Yard所介绍的技术。(Todd Yard也是本书的专业读者，我无意把他遗漏掉)。

The method took the flexor carpi ulnaris SEMG signal which was collected from the rotarying movements as an example. Wavelet packet method and the best wavelet packet analysis based on symlet5 function were examined to cancel SEMG noise.

该方法以受试者做内旋动作，采自尺侧腕屈肌的SEMG信号为例，基于symlet5小波函数，分别采用小波方法、小波包方法和最优小波包方法进行了消噪处理。

The fungus were firstly screened in Congo red plate for cellulase, and then cultured in residues of chinaberry as only carbohydrate supply.

采用纤维素刚果红平板培养基，对采自陕西秦岭山区的土样和腐烂枝干进行初筛，再以川楝残渣为惟一碳源进行摇瓶培养复筛，最后对获得的高纤维素酶活力菌株进行形态学和分子生物学鉴定。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。