几丁虫,chitinozoan
1)chitinozoan几丁虫
1.However, marine derived organic zooclasts such as graptolite and chitinozoan occurring in the Lower Paleozoic strata can be used for maturity determinations, since their optical properties show systematic changes with the maturity of the strata In the visible spectrum ranging from 450nm to 700nm, the dispersion of optical property reflectance of graptolite epiderms and ch.但在下古生界中含有海生有机质笔石和几丁虫等 ,由于其光性特征随成熟度的变化而发生规律性变化而被用于表征有机质成熟度。
2.Systematic study of Arenigian chitinozoans, graptolites and conodonts collected from two important Ordovician sections at Huanghuachang, Yichang, W.本文系统介绍了湖北宜昌黄花场及浙江常山黄泥塘剖面Arenig统几了虫分布发育规律,指出华南地区Arenig统的几丁虫自下而上可划分为:Conochitina symmetrica,Eremochiti-na baculata, Eremochitina brevis-Conochitina, pirum, Rhabdochitina turgida等生物带。
英文短句/例句

1.ARENIGIAN CHITINOZOAN BIOSTRATIGRAPHY AND PALAEOBIOGEOGRAPHY IN SOUTH CHINA华南阿伦尼格世几丁虫生物地层与古生物地理
2.EARLY ORDOVICIAN CHITINOZOANS FROM THE FENGHSIANG AND HUNGHUAYUAN FORMATIONS IN CHENJIAHE OF YICHANG,HUBEI湖北宜昌陈家河下奥陶统分乡组和红花园组的几丁虫序列
3.Cloning and Expression of Chitinase cDNA from Cotton Boll Worm ,Helicoverpa armigera;棉铃虫几丁质酶cDNA克隆及表达研究
4.Screening of Broad-spectrum Antagonistic Chitinase-Producing Bacteria Against Pathogens and Study on Molecular Biology of Chitinase;广谱抗病虫几丁质酶产生菌的筛选与几丁质酶分子生物学研究
5.Extracellular Chitinase Activity of Fermented Cordyceps militaris Mycelium发酵蛹虫草菌丝体胞外几丁质酶活性研究
6.Synergistic Activity of Chitinase and Insecticidal Crystal Proteins Against Mosquito Larvae;几丁质酶和杀虫晶体蛋白对蚊虫协同毒杀作用研究
7.Studies on Optimization of Rearing Condition and Chitin Content of Tenebrio Molitor L s Larvae;黄粉虫幼虫饲养条件的优化和几丁质含量的研究
8.Cloning and Expression of Some cDNAS Encoding Lepidopteran Chitinase;几种鳞翅目昆虫几丁质酶基因的克隆与表达研究
9.Expression, Purification of BmK IT and Chitinase and Preparation of Their Polyclonal Antibodies;蝎昆虫毒素和几丁质酶的表达纯化及多克隆抗体制备
10.Molecular Cloning and Characterization of Chitin Degrading Enzymes from Three Lepidopteran Insects三种鳞翅目昆虫几丁质降解酶基因的克隆及分子特性研究
11.Toxicity Determination of Chitin Mixed with Pyrethrum Extract AgainstObolodiplosis(Haldemann)几丁质与除虫菊提取液混配对刺槐叶瘿蚊毒力测定
12.Expression analysis of wheat chitinase gene Cht4 in the resistance and susceptible varieties to cereal cyst nematode小麦禾谷胞囊线虫不同抗性品种中几丁质酶基因Cht4的表达分析
13.Role of Protease and Chitinase of Verticillium lecanii in Infecting Scale Insect Cuticle蜡蚧轮枝菌入侵蚧虫表皮过程中蛋白酶和几丁质酶的作用
14.Chitinase B from Bacillus thuringiensis and its antagonism and insecticidal enhancing potential苏云金芽胞杆菌几丁质酶B特性及其杀虫抑真菌的作用
15.Either of the leathery or chitinous forewings of a beetle or a related insect, serving to encase the thin, membranous hind wings used in flight.鞘翅甲虫或其它相关的昆虫的一对坚韧的或几丁质的前翅,用于保护飞行中薄的、膜状的后翅
16.PRD experimental nematicide(杀线虫剂) 二氯丁砜
17.Effects of Chitanase and Glucanase Transgenic Rice on Three Species of Soil Collembola and One Species of Annelida转几丁质酶和葡聚糖酶基因水稻对土壤三种弹尾目昆虫和一种环节动物的影响
18.Cloning and Expression of BmNPV Chitinase in E.coli & Insect Cells and the Synergistic Effect of the Expressed Products with Bt on Killing Insect Larvae;家蚕核型多角体病毒几丁质基因的克隆表达及表达产物对Bt杀虫剂的增效作用
相关短句/例句

Chitinozoa几丁虫
1.here are abundant chitinozoan in the Early Ordovician of Huaqiao at Changyang of Hubei Province.本文介绍了湖北长阳花桥下奥陶统几丁虫的分布发育规律,讨论了几丁虫的地质意义,并与国内外同期地层作了对比,指出了该几丁虫动物群生物古地理的亲缘关系,并对部分几丁虫种进行了拟定与描述。
3)Calpichitina瓮几丁虫属
4)Cylindrochitina筒几丁虫属
5)Halochitina海几丁虫属
6)Haplochitina单几丁虫属
延伸阅读

几丁虫几丁虫Chitinozoa已绝灭的一类亲缘关系不明、分类位置不定的海生微体古生物化石。单体或群体。大小50~2000微米不等,多小于500微米。外形为长颈瓶状、壶状或圆筒状等。壳壁为不透明或半透明的类几丁质。多数学者认为几丁虫属动物界。