微波裂解温度对菌糠生物炭特性的影响

为了探讨菌糠微波裂解产生的生物质炭作为土壤改良剂的可行性,试验分析不同裂解温度下生物质炭的理化特性,以期探究菌糠生物质炭的理化特征,以及微波裂解温度对它的影响变化规律.结果表明,微波裂解温度对菌糠裂解产物生物质炭的性质具有显著影响,较低裂解生物炭元素组成含量较高,但裂解不完全;而随着裂解温度升高,生物质炭表现出较高的pH值10.43、持水量7.886 m L·g~(-1)和比表面积189.38 m~2·g~(-1).研究对于菌糠生物质炭在土壤改良、固碳减排等方面的应用具有一定的借鉴意义.     

国学的术语规范问题

国学的术语规范指的是国学所属各学科的术语规范。国学术语的规范既是术语学和国学的研究对象,也是语言规划的重要内容,同时它还是建设有中国特色术语学的重要组成部分。文章从国学术语的概念划分、科学定义、术语定名和译介等方面对国学的术语规范问题作了系统阐述。     

大獭蛤苗种池塘中间培育试验

2002年9月至2003年4月,在广西海洋研究所古城基地进行大獭蛤（LutmriamaximaJonas）苗种池塘中间培育试验。试验在铺沙的池塘里进行,放养的大獭蛤苗种规格为壳长0．2～0．8mm,大獭蛤稚贝饵料为施肥繁殖的浮游藻类,以大部分大獭蛤稚贝壳长达到2cm为出苗标准。结果表明,在水温为20～30℃、盐度为zo％。以上,放苗量为375万粒／公顷的条件下,大獭蛤稚贝经过45～60d即可以培育成壳长为2cm左右的大规格苗种。     

深圳项目设计团队中信任结构的确证性因子分析(英文)

对工作在深圳市甲级建筑设计院中的建筑设计人员进行了问卷调查.基于问卷的数据,用确证性因子分析法对项目团队中建筑设计人员之间信任是否具有两个不同维度的问题进行了实证检验.结果显示建筑设计人员之间的信任可以区分为基于认知和基于感情这两个不同的维度.其结果为将来与信任有关的建筑工程管理研究垫定了基础.     

A recurrent mutation in MED12 leading to R961W causes Opitz-Kaveggia syndrome

Opitz-Kaveggia syndrome (also known as FG syndrome) is an X-linked disorder characterized by mental retardation, relative macrocephaly, hypotonia and constipation. We report here that the original family for whom the condition is named and five other families have a recurrent mutation (2881C>T, leading to R961W) in MED12 (also called TRAP230 or HOPA), a gene located at Xq13 that functions as a thyroid receptor-associated protein in the Mediator complex.     

利用CBP作为缓冲层增加有机发光器件的效率

制备一种利用4，4′-N，N′-dicarbazole—biphenyl（CBP）作为超薄空穴注入缓冲层．CBP作为一种较好的缓冲材料，改善了有机发光器件的性能．CBP阻挡部分从阳极ITO注入到有机层NPB的空穴，从而平衡了空穴和电子的注入．有缓冲层的有机发光器件比没有缓冲层有机发光器件的电流效率有了明显的提高．当缓冲层CBP为4nm时，最大电流效率在8V时达到5．66cd／A，这是没有缓冲层器件电流效率的近1．5倍．     

STM和AFM的原理及出现异常情况的处理方法

简单介绍了扫描隧道显微镜（STM）和原子力显微镜（AFM）的工作原理,并详细阐述了实验过程中有时会遇到的异常情况及其处理方法,以便获得最佳的样品图像。     

First described fossil representatives of the parasitoid wasp taxa Asaphesinae n. n. and Eunotinae (Hymenoptera: Chalcidoidea: Pteromalidae sensu lato) from Eocene Baltic amber

ABSTRACT

New Baltic amber species of Pteromalidae sensu lato are described, from two different subfamilies, Asaphesinae n. n. and Eunotinae. Asaphesinae is provided as a replacement name for Asaphinae Ashmead 1904, which is a junior homonym of the trilobite family Asaphidae Burmeister 1843. Coriotela lasallei gen. n., sp. n.. and Butiokeras costae gen. n., sp. n.. are described as the first known fossil species of Asaphesinae and Eunotinae, respectively. These species establish the minimum known age of both groups in the Eocene. Taxonomic changes are also proposed for some extant species. The genus Desantisiana Neder de Román syn. n.. is found to be a junior synonym of Notoglyptus, and its only described species is transferred as Notoglyptus jujuyensis (Neder de Román) comb. n.. The tribe Calyconotiscini, previously classified in Eunotinae, is abolished and Calyconotiscus Narendran & Saleem is transferred to Pireninae.

http://www.zoobank.org/urn:lsid:zoobank.org:pub:7A107FF9-28E7-40AA-8A9B-71321E476C07     

NUMERICAL EVALUATION OF THE PRINTABILITY OF PAPER SURFACES

This paper describes a technique that numerically defines the print quality potential of a sheet of paper through density measurements BEFORE it is shipped, by measurement of the micro-density of the sheet.The technique can be used to quantify the differences between two sides of a sheet of paper, between batches produced at different times on the same machine or to compare the same grade from different sources.     

Sur le rôle possible des deux acides nucléiques dans la cellule vivante

Summary According to the writer's theory a great number of different desoxyribonucleic and ribonucleic acids exist in each cell: desoxyribonucleic acids in the nucleus (genes) and ribonucleic acids in the cytoplasm (microsomes). Through catalytic actions the macromolecular desoxyribonucleic acids govern the building of macromolecular ribonucleic acids, and, in turn, these control the production of cytoplasmic enzymes. In truth, the enzymic equipment results simultaneously from the effect of ribonucleic acids (catalytic action) and from the effect of substrates (mass action). This hypothesis explains cellular differentiation (multicellular organism) through constitutional variations of cytoplasmic ribonucleic acids. The writer's fundamental arguments come from the study of bacterial biology, especially from the study of mutations directed by principles of desoxyribonucleic nature.