单种的
- 与 单种的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This paper presents new data of electronic microprobe analvses on clinopyroxenes from the layers of picrite and associated basalt in this area. It is shown that the clinopyroxenes from the picrite are exclusively diopside, whereas those from the basalt are diopside and augite, suggesting a continuous variation in composition.
本文对该地区苦橄岩及其共生的玄武岩中单斜辉石的矿物化学成分进行了电子探针分析,结果表明,苦橄岩中的单斜辉石全部为透辉石,玄武岩中的单斜辉石种属有普通辉石和透辉石两类,但玄武岩中的单斜辉石成分呈连续演化关系。
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The contributions are listed as follows:(1) a single-pass closed frequent itemsets mining process based on reverse lexicographic order FP-tree is introduced for mining classification association rules, which uses a kind of mixed item-ordering searching policy to satisfy the single-pass requirement of data streams and uses the bitmap technology to improve the efficiency;(2) the concept of self-support for filtering rules is proposed to improve the precision.
主要贡献在于:1提出了一种基于逆文法顺序FP-Tree的频繁闭项集单遍挖掘过程,用于挖掘类关联规则,该过程采用了一种混合项顺序搜索策略以满足数据流挖掘的单遍性需求,并采用位图技术提高效率:2提出了"自支持度"概念,用于筛选规则以提高算法分类精度。
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And two kinds of cascade structure 2D RAKE receiver method are presented, also the performance of space time 2D RAKE receiver is analyzed. 3. On single path condition, the multi-user detection algorithm is derived on the basis of minimal mean square rule and ML rule.
在单径情况下,利用最小均方误差和最大似然准则,推导了线性空时CDMA多用户检测算法,分析了空时多用户检测与单用户检测的关系,并提出一种空时CDMA多用户检测接收机结构及一种自适应的空时多用户检测方法。
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The wood structures of Lauraceae were characterized by most diffuse porous; most pores solitary, less multiple and cluster pores; simple and scalariform perforation with few bars; most solitary pore; alternate intervessel pitting; most of rays multiseriate, less uniseriate; all of rays heterogeneous, mostly heterogeneous Ⅲ and Ⅱ type rays; most of axial parenchyma paratracheal type, less banded or marginal type; oil cell and mucilage cell in axial parenchyma cell or ray cell; mostly fiber tracheid and libriform fiber, less septate fiber.
结果表明:除檫木外,其它木材的管孔分布均为散孔材,具较高的单孔率;导管分子穿孔板兼有单穿孔和梯状穿孔2种或者仅具有单穿孔;导管间纹孔式为互列;导管-射线间纹孔式类型丰富,主要为刻痕状和大圆状。木射线有单列和多列射线2种类型,单列射线稀少、短,多列射线数量多;射线组织主要为异形Ⅲ和异形Ⅱ;轴向薄壁组织以傍管状为主,少数有带状或轮界状。油细胞和粘液细胞普遍存在于射线薄壁细胞或轴向薄壁细胞中。木纤维由韧性纤维和纤维管胞组成,部分树种具分隔纤维。
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As investigated, the shape of the fruit was mainly rotundity, and the color of the fruit were red, black, yellow, mauve. Variation coefficient of mineral elements, which revealed wider variation range and rich genetic diversity. Among them, Fe, the content and the variation coefficient of which was the highest(2.12 mg·100g-1 and 26.99%), it has large potential for futher selection. Ripe fruit of 12 wild myrobalan plum seedlings were analyzed using head space-solid phase microextraction and gas chromatography-mass spectrometry. The results showed considerable genetic variations in these aspects: The total content of volatile components, the classes and contents of each compounds classes, the segregation ratio, and content of main components. There were 83 compounds in total belonging to 6 classes detected in 12 wild myrobalan plum seedlings, including esters, alcohols, ketones, aldehydes, heterocycle and Hydrocarbons. Among them, Formic acid, hexyl ester, the content of which was the highest(4.33 μg·g-1),was important character impact odors.
结果表明,①新疆野生樱桃李实生株系的果实形状主要为圆形,少数为椭圆形、卵圆形、卵形和宽卵形,果实颜色有黄色、红色、紫红色和黑色等4种类型,野生樱桃李果实纵径、横径、单果重、果形指数以及可溶性固形物含量均存在一定程度的变异,遗传多样性较为丰富,其中以单果重的变异系数最大(9.13 %);②新疆野生樱桃李实生株系果肉组织的Zn、Ca、Mg、Mn、Fe及Cu等6种矿质元素含量变异丰富,其中以Fe元素的含量(平均值为2.12 mg·100g-1)和变异系数(26.99%)最高,进一步筛选高铁性状单株的潜力很大;③从新疆野生樱桃李12个实生株系中共鉴定出醇类、醛类、酯类、酮类、烃类及杂环类等6类83种挥发性化合物,各实生株系挥发性化合物总含量、挥发性化合物种类及其含量以及主要挥发性化合物分离比率与含量等存在广泛的遗传变异,遗传多样性较为丰富,其中以甲酸己酯含量最高(平均值为4.33 μg·g-1),是野生樱桃李果实香气形成的重要特征性化合物。
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Sources within combat aircraft manufacturer Chengdu confirm that it is looking at a twin-engined design and that they are examining both single and two crew configuration.
自成都战机制造厂内的来源证实道,他们正在检查著一种双引擎战机设计并测试单座与双座两种构型。单座型是所有军用战机的基础型号。
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The authors investigated the fish parasites species and infection at Wuliangsu-lake during the period from May to June in 1994.2 cestodes,1 trematodes, 9 monogeres,3 nematodes,2 crustaces and 3 protozoa were collected.
作者于1994年5~6月在乌梁素海渔场进行了鱼类寄生虫种类与感染情况的调查,收集到2种绦虫,1种复殖吸虫,9种单殖吸虫,3种线虫,2种甲壳动物,3种原生动物,共20种。
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A double-side deployment mechanism for the bean-shaped strut bar of a thin-film antenna driven by a single motor is provided, which relates to a double-side deployment mechanism for the strut bar of a thin-film antenna driven by a single motor.
一种单电机驱动的薄膜天线豆荚形支撑杆双侧展开机构,它涉及一种单电机驱动的薄膜天线支撑杆双侧展开机构。
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This paper describes and compares 4 streamtube models (single-disk single-streamtube, double-disk single-streamtube, single-disk multi-streamtube and double-disk multi-streamtube models) based on the momentum theory for the hydrodynamic performance prediction of the vertical-axis variable-pitch turbine that may be employed to tap tidal stream energy resources, especially for the prediction of the overall turbine power coefficient.
以潮流发电水轮机的设计为研究背景,分析和总结了基于动量定理方法的四种流管模型(单盘面-单流管模型、双盘面-单流管模型、单盘面-多流管模型和双盘面-多流管模型)在竖轴变攻角水轮机的水动力性能计算中的应用,特别是能量利用率预报方面的应用。
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A process for making an electronic device which comprises applying a nonaqueous plate-resistant ink by ink jet printing to selected areas of a dielectric substrate, optionally laminated with an electrically conductive metal, exposing the plate resistant ink to actinic and/or particle beam radiation to effect polymerisation, adding one or more metal layers by electrolytic or electroless deposition, the upper layer of which is an etchresistant metal, removing the polymerised plate-resistant ink with alkali and finally removing the electrically conductive metal which are optionally directly laminated to the dielectric substrate and not protected by an upper layer of etch-resistant metal by chemical etching wherein the plate-resistant ink is substantially solvent-free and comprises: A 30 to 90 parts acrylate functional monomers free from acid groups comprising mono- or higher functionality wherein 5 to 95% by weight are mono-functional monomers; B 1 to 30 parts acrylate functional monomer containing one or more acid groups; C 0 to 20 parts polymer or prepolymer; D 0 to 20 parts radical initiator; E 0 to 5 parts colorant; F 0 to 5 parts surfactant; and where the ink has a viscosity of not greater than 30 cPs at 40 DEG C and all parts are by weight.
一种制备电子装置的方法,所述方法包括以下步骤:通过喷墨印刷在任选层压了一种或多种导电金属的介电底材的选定区域涂覆非水的阻沉积油墨,将所述阻沉积油墨暴露在光化辐射和/或微粒束辐射中以完成聚合,通过电解沉积或无电沉积增加一层或多层金属层,其中最上层的金属层为一种或多种阻蚀刻金属,用碱除去聚合的阻沉积油墨,最后通过化学蚀刻将任选直接层压在所述介电底材上并且不被一种或多种阻蚀刻金属的上层保护的导电金属除去,其中所述阻沉积油墨基本不含溶剂,并且包含以下组分:A30-90份不含酸基团的丙烯酸酯功能性单体,所述单体包括单官能或多官能单体,其中5-95%重量为单官能单体;B1-30份包含一个或多个酸基团的丙烯酸酯功能性单体;C0-20份聚合物或预聚物;D0-20份自由基引发剂;E0-5份着色剂;和F0-5份表面活性剂;其中所述油墨的粘度在40℃下不高于30cPs,并且所有的份数以重量计。
- 推荐网络例句
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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。
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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。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。