平菇的代数栽培与醋糟的利用

以槽糟为原料进行了平菇栽培试验，筛选出合适的平菇菌种并对菌糖成份作了初步分析，结果表明，利用醋糟代替棉籽壳栽培平菇并进行深层次的利用是可行的，其适宜的平菇菌种Ｆ３。ＰＬ－３１，Ｒ－３７８，相应的生物不效率为９１．６％，８８．６％，７６．６％，菌糖中含粗蛋白、灰分、磷、钙等有效成份。     

经济角

用菌糠栽培EC05鸡腿菇鸡腿菇EC05，是一种色、香、味、形俱佳，适于国内周年栽培的特大高产型食用菌新品种。其菇体如大火鸡腿，洁白粗壮，肥嫩清香，味道鲜美胜过草菇，营养丰富胜过蘑菇和平菇，栽培产量与平菇相当，且比平菇易栽易收，售价比平菇高1倍多。出菇温度8～32℃。除可用常规原料周年栽培外，还可以用栽培过平菇、杏鲍菇等多种食用菌的菌糠（又称食用菌下脚料）进行栽培。现将高产栽培技术介绍如下：1.菌种生产。母种、原种、栽培种选择全营养高氮型菌种通用培养基的配方一次性制备。母种培养基用18mm×180mm的玻璃试管盛装；…     

固态发酵酿造糟渣制备菌体蛋白饲料

用木霉、扣囊拟内孢霉和丝孢酵母固态发酵酱油渣、醋糟制备菌体蛋白饲料，培养料配比为酱油渣６０％，醋糟２０％，麦麸１０％，玉米面１０％，无机营养盐适量。经１２１℃，３０ｍｉｎ或１００℃，６０ｍｉｎ灭菌后，以１０％接种等量混合的固体菌种开放培养４２ｈ后，物料收率８２％左右，蛋白含量２４．６％，粗纤维含量２２．３％，每克干料中的生物量为３．５×１０９。     

利用小麦秸杆栽培平菇技术的研究

报导了用小麦秸杆栽培平菇不需粉碎、发酵，用新研制的浸泡液浸泡２４小时后直接装饰袋接种，结果表明：该方法与粉碎发酵法比较成本降低４０％，生物学效率高达１１７．１％，菌糠还可做饲料。     

糠醛废渣栽培平菇添加剂的改进

笔者对利用糠醛废渣生料栽培平菇进行了研究,结果表明:利用糠醛废渣生料载培平菇,是变废为宝,变害为利,保护环境,发家致富的一条有效途径。为了使经济效益更高,我们对平菇栽培中的添加剂又进行了研究,即用高粱糠代替原配方中的麸皮,取得了满意的效果,现报告如下:1 实验材料与方法1.1 供试菌种中蔬十号,由山西省小麦研究所提供。1.2 改进的培养料配方     

紫茎泽兰对平菇产量及主要营养成份含量影响的研究

以含不同比例紫茎泽兰草粉的栽培料栽培平菇，根据出菇子实体生物转化率、营养品质以及对平菇栽培上常见污染菌的抑制作用考察利用紫茎泽兰栽培平菇的效果．研究结果显示，含30%紫茎泽兰草粉的栽培料栽培平菇的转化率与普通栽培料栽培无显著差异；平菇中氨基酸、粗蛋白和总糖含量分别比普通栽培料出菇的平菇提高了23.13%、25.92%和38.82%；栽培料中添加30％以上的紫茎泽兰，能明显抑制平菇栽培中常见污染菌如粗糙脉孢霉和大毛霉的生长．     

平菇优良菌种（株）筛选

本文就４８株平菇菌种进行了栽培试验，综合产量、品质、抗逆性等栽培性状筛选出适于我省生产栽培用高、中、低温菌种８株即低温型平菇Ｃ１１、Ｃ３０、Ｃ４２、Ｃ４８，中温型平菇Ｃ１６，Ｃ３８，高温型平菇Ｃ２５．经大面积推广使用获得了较好的经济效益和社会效益．     

平菇栽培技术改革研究

从四个方面研究平菇栽培技术，即菌料的研究，菌料尽量利用当地资源下床料、啤酒糟、稻草等；接种技术研究，采用接种钉开放式的接种；管理技术的研究，主要是在菌袋上采用人工补水，人工补营养，喷施菌活剂，促进菇现蕾等管理技术；菌种选育，采用自选自育。     

平菇栽培技术改革研究

从四个方面研究平菇栽培技术，即菌料的研究，菌料尽量利用当地资源下床料、啤酒糟、稻草等；接种技术研究，采用接种钉开放式的接种；管理技术的研究，主要是在菌袋上采用人工补水，人工补营养，喷施菌活剂，促进菇现蕾等管理技术；菌种选育，采用自选自育。     

糠偶酰的合成

以糠醛为原料，VB1为催化剂，采用安息香缩合反应合成糠偶姻，并利用硫酸铜-吡啶氧化其为糠偶酰．给出较好的实验条件，使合成糠偶酰的产率从37％提高到90％．利用元素分析、GC－Mass联用、IR和UV谱等手段，对所合成的糠偶姻及糠偶酰进行分析表征.     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

Wuhan University Journal of Natural Sciences TOTAL CONTENTS

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Advances in broadband wireless communications under high-mobility scenarios

Future mobile communication systems aim at providing very high data transmission rates, even in high-mobility scenarios such as high-speed wheel-track trains, maglev trains, highway vehicles, airplanes, guided missiles or spacecraft. A particularly important commercial application is the strong and increasing worldwide demand for high- speed broadband wireless communications （up to 574.8 km/ h test speeds or 380 km/h commercial speeds） in railways, providing data, voice and video services for applications such as onboard entertainment services to passengers, train control, train dispatch, train sensor status handling and sur- veillance. In such high-mobility scenarios, there are a number of communication challenges, including fast hand- over, location updating, high-speed channel modeling, estimation and equalization, anti-Doppler spreading tech- niques, fast power control, and dedicated network architec- ture. Because signal transmission in very high-speed scenarios will inevitably experience serious deterioration, it is imperative to develop key broadband mobile communi- cation techniques for such high-speed vehicles.     

Perspherical Approaches for Electrons in Atoms and Charged Excitons in Quantum Wells

Instead of following Fock’s expansion,we solve the Schrodinger equation for some quantum mechanical manybody systems such as electrons in atoms and charged excitons in quantum wells in a similar way in hyperspherical coordinates by expanding the wave functions into orthonormal complete basis sets of the hyperspherical hannonics(HHs)of hyperangles and generalized Laguerre polynomials(GLPs)of the hyperradius.This leads the equation to     

Scale-based spatial data model for GIS

Being the primary media of geographical information and the elementary objects manipulated, almost all of maps adopt the layer-based model to represent geographic information in the existent GIS. However, it is difficult to extend the map represented in layer-based model. Furthermore, in Web-Based GIS, It is slow to transmit the spatial data for map viewing. In this paper, for solving the questions above, we have proposed a new method for representing the spatial data. That is scale-based model. In this model we represent maps in three levels: scale-view, block, and spatial object, and organize the maps in a set of map layers, named Scale-View, which associates some given scales.Lastly, a prototype Web-Based GIS using the proposed spatial data representation is described briefly.     

英文诗歌中的喻类修辞

为了有助于提高英文爱好者的个人情操、文化素养和学习兴趣,以及专业人员对英语学习和研究进行多途径的探索,本文通过一些精选诗歌的引证和分析,着重论述了喻类修辞法在英文诗歌中的运用其及效果。     

Man Is Unable to Change the Miserable Life——Analysis of the Arrangement of Four Characters in The Glass Menagerie

Tennessee Williams is considered as one of the most important American playwrights since World War II.The Glass Menagerie is his first successful drama,which describes a tragic situation of family and means to say that Man is unable to change the miserable life,no matter whatever means he try,This essay focuses on the analysis of the arrangement of the four main characters:Laura.Amanda,Jim and Tom to reveal the theme.Laura is fragile.Amanda is brave.Jim is vital.Tom is sensible.And all of them develop and try the different means to struggle against life,but fail tragically.With the evidence,the paper comes to conclusion naturally that Man is unable to change the miserable life,and he dooms to fail.     

Characterization of root-nodulating bacteria on Retama raetam in arid Tunisian soils

The aim of this study is to investigate the diversity of Retama raetam root-nodule bacteria isolated from arid regions of Tunisia. Twelve isolates, chosen as representative for different 16S rRNA gene patterns, were characterized by 16S rRNA gene sequencing and phenotypic analysis. Isolates were assigned to Sinorhizobium, Rhizobium and Agrobacterium. Symbiotic properties of Sinorhizobium and Rhizobium isolates showed a large diversity in their capacity to infect their host plant and fix atmospheric nitrogen. Strain RK 22 identified as Rhizobium was the most effective isolate.     

An Affordable Accurate Evaluation of the Binding Conformations Predicted by Molecular Docking Studies in Bio-System

正Recently,docking has been widely used to predict the binding-modes of protein-inhibitors,when the crystal complexes structure was absent.Most docking algorithms are able to generate a large number of probable conformations,it,however,is difficult to effectively evaluate these docking poses and identify the most reasonable bindingmode.In the present study,on the basis of the crystallographic data of human 3-hydroxy-3-methylglutaryl coenzyme     

WIMAX与WI-FI技术分析及联合组网

介绍了WiMAX与Wi-Fi两种无线宽带接入技术,并对两者之间的关系及相互之间的影响做了对比及分析,并对WiMAX的关键技术进行了详细说明,最后对两者的联合组网方式做了简单的探讨。