试论云南香蕉产业化

论述了国内外香蕉产业的发展概况,分析了云南香蕉业发展的优势及潜力,提出了云南香蕉业存在的不足和今后产业化发展的思路。     

简析我国中小企业会计核算规范化

随着我国社会主义市场经济的不断发展壮大,民营经济也不断发展,中小企业在国民经济中的地位越来越重要,其发展越来越受到关注,但由于各种因素导致中小企业会计核算中存在许多问题,这些问题的存在不但影响中小企业的发展前途,更不利于市场经济的健康发展。因此,建立建全中小企业会计核算制度,规范会计核算手段和措施是十分必要的。     

Integrated standardization concept for Angelica botanicals using quantitative NMR

Despite numerous in vitro/vivo and phytochemical studies, the active constituents of Angelica sinensis (AS) have not been conclusively identified for the standardization to bioactive markers. Phytochemical analyses of AS extracts and fractions that demonstrate activity in a panel of in vitro bioassays, have repeatedly pointed to ligustilide as being (associated with) the active principle(s). Due to the chemical instability of ligustilide and related issues in GC/LC analyses, new methods capable of quantifying ligustilide in mixtures that do not rely on an identical reference standard are in high demand. This study demonstrates how NMR can satisfy the requirement for simultaneous, multi-target quantification and qualitative identification. First, the AS activity was concentrated into a single fraction by RP-solid-phase extraction, as confirmed by an alkaline phosphatase, (anti-)estrogenicity and cytotoxicity assay. Next, a quantitative ¹H NMR (qHNMR) method was established and validated using standard compounds and comparing processing methods. Subsequent 1D/2D NMR and qHNMR analysis led to the identification and quantification of ligustilide and other minor components in the active fraction, and to the development of quality criteria for authentic AS preparations. The absolute and relative quantities of ligustilide, six minor alkyl phthalides, and groups of phenylpropanoids, polyynes, and poly-unsaturated fatty acids were measured by a combination of qHNMR and 2D COSY. The qNMR approach enables multi-target quality control of the bioactive fraction, and enables the integrated biological and chemical standardization of AS botanicals. This methodology can potentially be transferred to other botanicals with active principles that act synergistically, or that contain closely related and/or constituents, which have not been conclusively identified as the active principles.     

新疆兵团防护林标准化示范团场建设探讨——以新疆兵团农六师新湖农场为例

坐落于天山北麓准噶尔盆地南缘的新疆生产建设兵团农六师新湖农场,其具备了北疆防护林标准化建设项目团场及准噶尔盆地周边团场的典型特征。以新湖农场为例,阐述了新疆兵团防护林标准化建设的原则、目标和布局,探讨主要建设内容和方案,提出相应的保障措施。     

基于RBF的指标规范值的水资源承载力评价模型(英文)

[目的]研究基于指标规范值的区域水资源承载力评价的径向基函数网络模型(RBF)。[方法]在对指标进行规范变换的基础上,将指标各级标准规范值的平均值作为RBF的隐层节点基函数中心矢量各分量的规范值,因而基函数对各指标具有普适性,使基函数的表示和计算大为简化。[结果]将猴王算法优化网络权值得到的RBF模型应用于陕西省长武县3个区域水资源承载力的评价,其评价结果与模糊综合评价结果基本一致。[结论]RBF模型具有简单、实用的特点,具有普适性和通用性。     

推行农业标准化 打造品牌农业

农业标准化是指以农业为对象的标准化活动。建立农业标准化体系并通过示范加以推广,是农业产业结构战略性调整的基础,是创农产品名牌的前提。农产品市场竞争,归根到底是农产品科技含量的竞争,是农产品质量的竞争、品牌的竞争。所以,建立农业标准化,培育农产品名牌,实施农业名牌战略,对农业发展具有十分重要的意义。     

国内外管道企业标准体系建设现状与思考

评述了苏联的＂综合标准化＂思想和应用,西方发达国家石油企业标准体系的建设情况,以及国内管道企业标准体系建设存在的根本问题。分析认为：西方国家的企业基于实际需求自主建立内部标准手册的方式最为科学有效,苏联的＂综合标准化＂方法有利于标准的协调性和完整性,而国内企业标准体系建设仅局限于建设粗放型的＂标准集合＂,在理念和方法上落后于世界先进水平。建议从决策层面考虑体制机制的革新,学习西方模式,引导企业根据实际需求和最佳效益目标,自主建立和执行与生产管理环节紧密相关的核心标准体系。     

白癜风聚类分析的中医辨证分型规律研究

目的探讨白癜风中医证候分布特点及辨证分型规律。方法运用数据挖掘技术对200例白癜风患者症状体征及相关因素进行聚类及频数分析。结果证候聚类聚为5类,通过综合分析得出各类证型及比例为:气血不和型(49,24.5%)、肝肾不足型(44,22.0%)、湿热内蕴型(31,15.5%)、脾胃虚弱型(38,19.0%)、气滞血瘀型(38,19.0%)。结论白癜风聚类证型以气血不和型及肝肾不足型多见,其次为气滞血瘀型、脾胃虚弱型和湿热内蕴型,突出了皮损辨证在白癜风辨证分型中的重要性。