台湾相思容器苗苗木的质量形态性状分析及其主因子选择

苗木质量直接影响造林质量和幼树生长,我们以台湾相思容器幼苗为研究材料,开展容器苗苗木的质量性状分析以及主要评价因子研究,结果表明:台湾相思容器幼苗不同生长形态质量指标的分化程度不一致,根、叶以及茎生物量、全株生物量、地径、侧根数、主根长等质量指标的分化程度大,表明幼苗质量分级和评价十分重要;总生物量、茎生物量、地径3个因子最能反映台湾相思容器幼苗的质量水平,总生物量是反映苗木质量的相关中心,为幼苗质量评价的主要指标,其次是地径。根据各类因子指标在生产实践中的可测性,台湾相思容器幼苗出圃时可用地径作为主要测定评价指标,而苗高、高茎比、叶片数可作为衡量苗木的一般性指标。

台湾相思容器苗的质量形态性状分析及其主因子选择

苗木质量直接影响造林质量和幼树生长。我们以台湾相思容器幼苗为研究材料，开展容器苗苗木的质量性状分析以及主要评价因子研究，结果表明：台湾相思容器幼苗不同生长形态质量指标的分化程度不一致，根、叶以及茎生物量、全株生物量、地径、侧根数、主根长等质量指标的分化程度大，表明幼苗质量分级和评价十分重要：总生物量、茎生物量、地径3个因子最能反映台湾相思容器幼苗的质量水平，总生物量是反映苗木质量的相关中心，为幼苗质量评价的主要指标。其次是地径。根据各类因子指标在生产实践中的可测性．台湾相思容器幼苗出圃时可用地径作为主要测定评价指标。而苗高、高茎比、叶片数可作为衡量苗木的一般性指标。

品牌是高级质量形态和高层次质量——质量规律管理理论及其在品牌建设中的指导作用简述

目前学术界对品牌和质量管理的本质缺乏正确的认识,以致严重影响了品牌建设和质量管理理论的发展。鉴于此,研究品牌的本质和质量规律管理理论以及品牌与质量管理理论之间的相互影响。质量管理的目的是为了提高行为质量和生存质量,质量管理的本质是顺应质量规律。品牌的本质是高级质量形态和高层次质量,它包括消费者接收和反馈的质量信息及有利于供方的行为和意识倾向。必须以探索质量规律和顺应质量规律的方法为中心创建和维护品牌。

林下植被演替过程中毛竹枝叶形态质量和抽枝展叶效率变化特征

本研究分别选取林下植被演替前毛竹(Phyllostachys edulis(Carrière)J.Houz)纯林经营、竹材6~8年采伐一次形成的林下植被演替9、21年以及纯林(对照)等3类毛竹林,调查分析了1度、2度竹的主侧枝枝叶形态质量、抽枝展叶效率及生物量异速生长关系等。结果显示:(1)随林下植被演替的进行,1度竹主枝叶片主要形态质量性状呈降低趋势,2度竹则呈“V”型变化;(2)1度、2度竹主侧枝的枝长、纤细率显著提高,枝基径、枝干物质含量、枝干重等性状呈倒“V”型或升高趋势,枝形态变化较枝质量变化明显;(3)1度竹抽枝展叶效率指标呈“V”型变化,而2度竹主侧枝抽枝展叶效率显著降低,胡波尔值明显提高;(4)一定演替年限内,立竹主侧枝枝叶生物量生长关系从等速生长向异速生长变化,尔后恢复为等速生长。可见,林下植被演替对毛竹林立竹枝叶形态质量、抽枝展叶效率和枝叶生物量异速生长关系均产生重要影响,叶片趋于变小,枝条趋于细长,且具有明显的演替年限效应和立竹年龄效应,主要对主枝叶片产生影响,1度竹较2度竹敏感;演替过程中立竹将更多的资源投资于枝的生长,以增强空间资源的竞争能力。

刺五加种子室内层积催芽期间种子形态质量测定与调控方法

当年从自然成熟的刺五加鲜果中洗出的种子,若要翌年春播种,且当年多出苗,在室内层积催芽至少160天,此期间,提出了用种子优良度、种子见胚率、种子胚长指数、种子裂口露白率评价种子形态质量,并给出了测定方法和最佳的经验参数。

卵泡形态质量的诊断系统的研究

目的:探讨人工神经网络在诊断卵泡形态质量上的价值。方法:使用MATALB软件中的神经网络工具箱(NeuralNetwork Toolbox),设计一个自组织竞争型神经网络并训练网络。网络以五个形态参数(卵泡面积、周长、最大直径、等效圆直径、似圆度)为输入,输出为健康、一般和差三种形态类型。结果:训练好的神经网络可以准确的对卵泡形态分类。结论:人工神经网络在诊断卵泡形态质量上有很好的应用前景。

论银行贷款质量形态的划分

论银行贷款质量形态的划分刘建民银行贷款质量形态是指银行贷款发放后，所反映出的贷款资产不同的质量表现。银行贷款质量形态的划分，与不同时期对银行的性质和职能的界定有密切联系。认真研究和正确划分我国银行的贷款质量形态，对于科学评价银行信贷资产质量状况并加强...

朝鲜崖柏种子形态质量及萌发特性的初步研究

以吉林省长白县十五道沟采集的朝鲜崖柏种子为试验材料,利用超景深三维显微系统对其种子形态、千粒重进行了观察、描述和测定,探讨不同温度对种子萌发的影响,结果表明:朝鲜崖柏种子长2. 20~3. 80 mm、宽0. 96~1. 31 mm、厚0. 15~0. 84 mm,种翅长3. 63~5. 25 mm、宽0. 49~0. 90 mm,千粒重1. 174 1 g,朝鲜崖柏种子在相对湿度75%、温度25℃下萌发效果最好。

24月龄紫刺参养殖形态性状与体质量的关系

以24月龄紫刺参作为研究对象,采用回归分析的方法,研究紫刺参养殖形态性状与体质量的关系。为获得更精确的形态性状与体质量(TW)的关系,将紫刺参体长(L)、体宽(W)和理论体长Le[由SLW(square root of the length-width,√L×W)转换而来]分别与体质量进行拟合,筛选评价紫刺参形态性状与体质量关系的最佳形态参数和曲线模型。结果显示,紫刺参体长、体宽、SLW和体质量等各性状的变异系数(CV)在31.52%~66.85%波动,体质量的变异系数最大,SLW的变异系数最小。回归分析表明,紫刺参各形态性状与体质量关系的最优拟合模型均为幂函数,且理论体长Le是描述紫刺参形态性状-体质量关系的最优形态指标;紫刺参为负异速生长模式,即形态性状的增长快于体质量的增加。研究结果可为紫刺参的生长规律研究和养殖管理提供科学依据和参考资料。

林业苗木的形态特征与质量评定的原则

本文就针对林业苗木的质量评定原则、方法进行分析与探讨。

高节竹与毛竹鞭笋品质和适口性比较

部分竹种的幼嫩鞭梢可以食用，生产中称为鞭笋。鞭笋营养丰富，是群众喜爱的绿色森林食品和时令蔬菜，特别是在夏秋季鲜笋供应淡季，质优、味美的鞭笋既可满足广大消费者的需求，也能切实提高竹林的经济效益。目前生产鞭笋的竹种很少，主要是毛竹（Phyllostachysedulis（Carr．）H．de Le-hale），有必要开发生态适应性强，鞭笋产量高、质量好的竹种进行鞭笋林经营，以促进区域高效特色竹笋业发展。鞭笋品质主要包括外观品质（鞭笋的个体大小、基径和长度等）和内在品质（营养物质和呈味物质）。营养物质含量高低主要影响鞭笋的营养价值，

基于最小距离简单多边形的Delaunay三角剖分算法

简单多边形的Delaunay三角剖分,在计算机图形学及三维建模领域有着广泛的应用。提出了一种时间复杂度为O((n-4)2)的基于三角形顶点距离最小的简单多边形Delaunay三角剖分算法。通过三角形顶点的最小距离,形成简单多边形的初始三角网,而后对初始三角网进行Delaunay剖分,并对算法的时间复杂度进行了分析。通过实例表明,此算法在时间复杂度和三角形形态质量上都得到了很大改进。

Effects of Special Plant Nutritional Elements on Honey Pomelo Fruits

[Objective] The effects of special plant nutritional elements on honey pomelo fruits were investigated. [Method] After the honey pomelo flowers faded, the special plant nutritional elements （SPNE） were sprayed on the honey pomelo plants. After an interval of 20 d or more, the SPNE were sprayed again. A total of 4 times of spraying were carried out before the harvesting. Then difference in yield, quality, fruit weight, fruit appearance, ball weight and internal characteristics were compared between the SPNE treatment group and the control group. [Result] Compared to that of the control group, the fruit number per plant of the SPNE treatment group was more, and the average fruit weight was higher, resulting in the higher yield in the SPNE treatment group. At the same time, the vitamin C and soluble solids con- tent in honey pomelo fruits of the treatment group was higher than that of the con- trol group. The quality of honey pomelo fruits was higher in the SPNE treatment group. The honey pomelo fruits treated with SPNE were bigger, more shining and cleaner. The fruits in the treatment group had no scar, but had more beautiful shape. The exocarp of the treatment group was thinner than that of the control group. The ball weight of the treatment group was higher than that of the control group. Moreover, the ball appearance of the treatment group was cleaner. In the treatment group, the pulp segments were bigger and more consistent in size. In ad- dition, there were no internal cracks in the pulp segments. The fruits of the treat- ment group were more sparkling and more transparent. They tasted better. [Con- clusion] We hoped to provide a theoretical basis for the high-quality and high-yield- ing production of honey pomelo.

基于近似凸分割策略的多边形分割方法

多边形分割是几何处理中的一个基本而重要的问题,在工程上有着很广泛的应用.基于近似凸分割的思想,提出一种多边形分割方法.首先提出一种测量多边形顶点的凹度值的方法,使其能准确地剖除多边形的特征点(凹点),更能体现出分割的视觉意义;在分割过程中,提出一些保证形态的限制措施,使得分割后的子多边形形态质量好、整体分割布局美观.为了满足用户的分割需求,对分割过程中的阈值提出了新的估算方法,大大减少了生成的子多边形数量,且比其他多边形分割方法速度快、操作简单快捷.图例结果显示,采用文中的分割方法能更准确、有效地分割多边形,并能保证得出的子多边形形态好、整体分布匀称且速度快,可以满足实际应用的需要.

Characterization of carbon fibers recovered through mechanochemical-enhanced recycling of waste carbon fiber reinforced plastics

In this study,we present the characterization of the carbon fibers recovered from the mechanochemical-enhanced recycling of carbon fiber reinforced fibers.The objectives of the study were to investigate the effect of our modified recycling method on the interfacial properties of recovered fibers.The reinforced plastics were recycled;the recycling efficiency was determined and the recovered fibers were sized using 1 wt%and 3 wt%concentration of(3-aminopropyl)triethoxysilane.We characterized the morphologies utilizing the electron spectroscopy for chemical analysis(ESCA),atomic force microscopy(AFM),FTIR-attenuated total reflection(ATR)spectroscopy and scanning electron microscopy(SEM).Although the surface of the fibers had no cracks,there was evidence of contaminations which affected the interfacial properties and the quality of the fibers.Results showed that the trends in the recovered and virgin fibers were similar with an increase in sizing concentration.The results highlighted the perspectives of increasing the quality of recovered fibers after the recycling process.

城市老旧商业街区活力提升策略——以包头市文化路商业街区为例

通过现场踏勘,依据美国建筑师凯文·林奇提出的检验城市空间形态质量的五个指标对包头市主干道文化路上的老牌商业街以及商业街内部的空间现状所存在的问题进行总结归纳,针对街区存在的问题和自身特色赋予其新的定位。最后通过对街区空间的便捷性、舒适性、包容性和趣味性四个方向提出文化路商业街区活力提升的新策略。

The eco-nutrition requirements for dietary protein and its rhomb characteristics in juvenile turbot (Scophthalmus maximus L.)

We evaluated the dietary protein requirements of juvenile turbot (Scophthalmus maximus L.) and their effects on aquatic quality. Five experimental diets were formulated containing 450, 480, 500, 520, and 540 g/kg. Each diet was randomly assigned to triplicate groups of juvenile turbot (mean initial body weight 34.5 ± 5.5 g) for 88 d. Both the weight gain ratio and feed efficiency increased with increasing dietary protein up to 500 g/kg, but no further improvement was detected when dietary protein levels were >500 g/kg. Protein intake and digestion increased with protein levels, while fecal nitrogen and nitrogen content in seawater increased only when dietary protein exceeded 500 g/kg. Protein digestibility was highest at intermediate dietary protein levels. Chemical oxygen demand, nitrite-nitrogen (NO2--N) and phosphatic-phosphor (PO43--P) levels increased in the rearing water as dietary protein levels increased. The optimum eco-nutrition level of dietary protein for juvenile turbot was 500 g/kg under the current experimental conditions. The diets containing 540 and 500 g/kg protein had similar growth rates and feed conversion ratios, but levels of ammonia (NH4+) and nitrogen were considerably higher in the water and feces, respectively, at the higher level of dietary protein. The difference in the pattern of change between body weight gain and ammonia concentration in water with increasing dietary protein is described by rhomb characteristics.

高热对癌细胞杀伤敏感性的体外研究

目的:用高热杀伤癌细胞为临床用高热治疗癌症,特别在癌症根治术中用高热净化自体血回输及外周血造血干细胞移植治疗各种实体瘤提供了重要的有用资料。方法:取病人胸腹水400～500ml,肝素抗凝,以3000转/分离心3min,分离癌细胞将癌细胞分别置于41.5℃,42.5℃和44℃水浴热处理30min,离心,涂片观察细胞形态质量。结果:证实40～42.5℃处理30分钟后正常血细胞形态质量较前无明显变化。而癌细胞则随温度升高而形态质量呈进行性缩小退变及溶解破坏。结论:提示癌细胞对热杀伤的敏感性明显较正常血细胞高。

Morphogenesis of Oil Palm （Elaeis guineensis Jacq.） Fruit in Seed Development

The place of the oil palm, Elaeis guineensis Jacq., in the market for fats of vegetable commodities makes it a strategic plant which requires continuous improvement. In this context, it seems appropriate to better describe the effects of the Sh gene in the developing fruit. This study aims to set a benchmark for the development of the seed in the natural palm （Elaeis guineensis var. dura） Thus the growth and development of the two major seed tissues were monitored every two weeks from pollination to maturity of the fruit. The results show that the endosperm is still liquid six weeks after pollination. It then begins an accelerated development which leads it, 11 weeks later, to completely fill the seed cavity, with an average mass of 0.81 g. This mass remains stable until the maturity of the fruit. The embryo is only visible when the endosperm is gelatinous, around 70 DPP （days post-pollination）. It then has an average length of 1.00 mm. At 126 DPP, the embryo has finished growing and measures 2.82 mm on average. This length also remains stable until 168 DPP （3.04 mm）. In perspective, a detailed follow-up of the development of the zygote from the pollination to 100 DPP is proposed. In parallel, the analysis of the chemical composition of the endosperm between 100 DPP and 168 DPP is necessary. These two complementary studies will allow to better specifying the benchmark of seed development in Elaeis guineensis var. dura.