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All 1232 individuals collected could be classified into 3 phyla, 10 classes, and 16 orders. The dominant genera are Acari, Collembola and Hymenoptera, and the common genera is Heteroptera. Their frequencies are 41.07%, 17.21%, 35.23% and 2.11%, respectively. The rare genera included Corrodentia, Enchytraeidae, Isopoda, Diptera, Pauropoda, Symphyla, Araneae, Diplopoda, Lumbricidae, Nematoda, Coleoptera, Chilopda and Lepidoptera.

富阳环山乡重金属污染的农田生态系统中土壤动物以弹尾目和蜱螨目为优势类群,分别占总捕量的66.37%、16.72%,常见类群有双目的虱啮科、蠓科、摇蚊科,鞘目的隐甲科,线虫,线蚓等,它们分别占总捕量的5.81%、1.3%、1.3%、2.6%、2.3%和1.2%;其中,弹尾目中的优势属为符属和陷等属,分别占虫总捕量的33.03%和21.2%;常见属为棘属、陷等属、德属和原等属,分别占总捕量的4.3%、1.3%和3.21%。

Pedicels of female flowers slightly dorsiventrally and asymmetrically winged, or not winged; achene not articulated on pedicel.

雌花的花梗稍微的背面的和不对称的有,或者无;在花梗上的瘦果无节。

Seeds 1-12, smooth or occasionally furrowed, albuminous or exalbuminous, sometimes winged, wing membranous, basal, exarillate or aril basal to completely enveloping seed, aril membranous, fleshy, rarely mucilaginous; cotyledons flat, foliaceous or thick, connate, germination epigeous.

种子1-12,光滑或者偶尔有皱,具胚乳或无胚乳,有时具膜质,基生,无假种皮或有假种皮,假种皮基生或完全包围种子,膜质、肉质,很少有粘液子叶平,叶状或者厚,合生,发芽时出土。2n = 8,12,14。

A bristly structure on the hind wings of certain moths and butterflies that holds the forewings and hind wings together during flight.

缰某些飞蛾和蝴蝶后上的易碎结构,可以在飞行时使前后协调工作到中国译典经典版本中查找关于bristly的最新解释和例句。。。。

The results are as follows: 1 The ingroups studied are divided into four clades on the molecular phylogenetic trees that we reconstructed.

我们测定了斑腿蝗科10亚科20种蝗虫和其它蝗科3种蝗虫的16S rDNA序列片段,并从GenBank中下载了斑腿蝗科3种、其它蝗科10种及蚱总科2种的16S rDNA相应序列片段,然后对这共计38种蝗亚目昆虫的16S rDNA序列片段进行了同源性比较,以其中2种蚱作外群构建了蝗总科的分子系统树,得到的结论如下:1斑腿蝗科并非是一单系群。2该科中的切蝗亚科、稻蝗亚科、黑蝗亚科、秃蝗亚科、卵蝗亚科、蔗蝗亚科均不是单系群,分子系统树的聚类结果与基于形态特征的斑腿蝗科的分类体系有较大的出入。3支持将黑蝗亚科和秃蝗亚科合并为一个亚科——秃蝗亚科。4卵蝗、伪稻蝗和稻蝗三者有很近的亲缘关系。

Model experimental studies indicating that when the base slope of spillways changes within the range of 40 degrees to 60 degrees,the water-wing nearly exists in the whole nappe flow ,even continuing to the transition flow.

模型试验表明:当斜坡角度为40°~60°时,水存在于几乎整个跌落水流范围内,甚至持续到过渡水流;随着溢洪道底坡的增大,水存在的流量变化范围增大、高度增加;随着台阶尺寸的减小,水高度降低,所存在的流量变化范围缩小。

Samaras 1-3, each 3-winged; abaxial wing long, erect; lateral wings short, spreading.

果1-3,每个具3;背长,直立;侧短,平展的。

Is one: the petrochemical, chemical, metallurgical, mechanical, electrical, pharmaceutical, light industry and the nuclear industry and other professional services industries, the production of material specifications, heat-resistant steel, resistance Steel mill heat-resistant alloy steel, rare earth wear-resistant steel, high-pressure high-temperature nickel chromium alloy steel: Steel Casting products, high temperatures centrifugal cast pipe casting, centrifugal cast pipe (casting thickness: 5 mm ---- 60mm, outside Drive: 50 mm ---- 1600mm, single-tube products such as super-6 m diameter size of the cast pipe products) tube, cracking furnace tube, and into the furnace, the furnace tube radiation, radiation control, the loser of the ash, the reaction of various Furnace roll, roll bottom, the furnace roll, sank roll, roll stability, and various types of precision casting fixture, heat-resistant steel castings, and Steel Plant for Hot Piercing Plug casting, casting industrial furnace, heat treatment furnace industrial castings , Heat-resistant castings, wear-resistant steel castings, various types of chemical process pumps, plastic alloy centrifugal pump fluoride, fluoride alloy pump, stainless steel pumps, valves, pipe, steel-lined composite of various pieces, all kinds of PTFE Plastic pipe, fin tube heat exchanger, paper, chemicals, light industrial and textile enterprises such as air-conditioning GL Ⅱ type, U-radiators, welding a variety of stainless steel, alloy steel, carbon steel, high-frequency finned tube , Studded tube, sawtooth-shaped fin, and other products of the manufacturing enterprises.

靖江市舒尔机械制造有限公司是一家为:石化、化工、冶金、机械、电力、制药、轻工和核工业等行业服务的专业公司,生产各种材质规格的,耐热钢、耐磨钢耐热合金钢、稀土耐磨合金钢、高温承压高镍铬合金钢:特钢铸造制品、耐高温离心铸管铸件,离心铸管(铸造壁厚:5mm----60mm、外径:50mm----1600mm,单管制品长6m等超大径的铸管制品尺寸)炉管、裂解炉管、转化炉管、辐射炉管、辐射管、输灰管、反应管、各种炉辊、炉底辊、炉内辊、沉没辊、稳定辊、及各类精密铸造工装夹具,耐热钢铸件,钢管厂用热轧穿孔顶头铸件、工业炉用铸件,热处理工业炉用铸件,耐热铸件,耐磨钢铸件,各类化工流程泵,氟塑料合金离心泵,氟合金泵,不锈钢泵、阀门、管件、各种钢衬复合管件,各类聚四氟乙烯塑料管件,片管换热器、造纸、化工、轻纺等企业的空调GLⅡ型,U型散热器、焊接各种规格的不锈钢、合金钢、碳钢等,高频片管、钉头管、锯齿形片管等产品的生产企业。

Theoretical analysis and experimental results show that in shaping of copper fin, when the depth of cut is less than 2 mm, the feed is ranged from 0.5 to 3 mm, and side cutting edge angle is ranged from 20° to 50°, fin with height from 1.5 to 3 mm and thickness from 0.3 to 1.8 mm can be steadily formed.

理论和实验研究表明:在紫铜材料的成形中,切削深度小于2 mm、进给量0.5~3 mm、刀具主偏角20°~50°范围内,可以稳定地形成高1.5~3.0 mm、厚0.3~1.8 mm的片。

Through experiments,the heat transfer performance of rolled finned tube,castiron and cast-aluminum side-finned tube used in low temperature air-coolers have been compared and analyzed.

通过实验,对缠绕式片管、外片铸铁管和外片铸铝管在低温空冷器应用中的传热性能进行比较和分析。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

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双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。