依靠科技推进现代生物种业发展的对策研究

生物种业是农业的核心基础产业,文章研究旨在从农业科技的角度为四川由种业大省向种业强省跨越提供借鉴。四川省生物种业原始创新能力、粮食安全保障能力、优势特色产业发展支撑能力、种子生产及供种能力和种子企业实力得到进一步提升,但又面临严峻的挑战和难得的发展机遇。主要科技对策是推进种业科研体制机制创新、加大突破性新品种培育力度、加快种业科技成果应用、提升种业企业科技创新能力、提升供种技术水平、加强种业科技平台与队伍建设以及加强种业国际合作交流等。     

Hematological Parameters and RBC TBARS Level of Q 10 Supplemented Tribal Sickle Cell Patients: A Hospital Based Study

The study has been undertaken as number of sickle cell patients in Chhattisgarh tribal population is 23.7 %. The Co enzyme Q10 is a strong antioxidant and energy producing compound. The patients were divided into three groups group A homozygous (SS), group B heterozygous (AS) and group C controls for TBARS study. The age group is 10–55 years and 200 mg of CoQ10 was given to A and B groups. The hematological parameters, C reactive protein as well as RBC TBARS level were performed by usual and standard techniques. The results were obtained as 25.37 % increased RBC level in group A and 23.24 % in group B. The increased hemoglobin level was observed as 16.73 % in group A and 10.7 % in group B. In case of WBC it was observed increased 24.38 % in group A and 12.0 % in group B. C-reactive protein was observed 7.8 times decreased in group A and 1.54 times in group B. The RBC TBARS level was also found decreased 48 % in group A and 51 % in group B as compared to group C. During the supplementation of coenzyme Q10 the pain caused by vaso-occlusive events has reduced. This significant increase in hematological parameters as well as decreased C-reactive protein and TBARS level suggest that the Q10 should be included in the diet of sickle cell patients.     

保护生物学的兴起与发展

保护生物学是八十年代初期刚刚形成的一门新兴学科.由于该学科有着迫切的社会要求和科学基础,所以出现的时间虽然只有短短的十多年,却已处于迅速发展时期.文章就该学科的定义、原理、研究内容和方法,以及国内外发展情况作概略的介绍.     

陕西野生铁线莲属植物种质资源及观赏应用研究

对陕西野生铁线莲属植物的资源状况、分布、生态习性和生物学特性等进行了调查研究,表明陕西有野生铁线莲属植物26种及变种,主要分布于秦岭和巴山林区。花(萼)大而色彩艳丽,多攀缘性、喜光、对土壤要求不严、适应性强,园林观赏价值高,并提出多种观赏利用形式。     

带时滞的单种群在n个斑块中持续生存的条件

对[2]中的单种群扩散模型进行了推广与改进,研究了fi(xi(t-τ))=ai(t) di(t)(∑j=1xjnxj-1)n ε bi(t)xi(t-τ)-ci(t)xi2(t-τ)(i=1,2,…,n)与gi(xi(t-τ)=ai(t) di(t)(∑j=1jnxj-1)-ε bi(t)xi(t-τ)-ci(t)x2i(t-τ)(i=1,2,…,n)的正根存在性及种群密度函数的特性,利用数学分析的方法证明了在条件ai(t)≥εdi(t)下,该种群是持续生存的。     

新品种玉米试种结果简评报告

试验种植玉米新品种，并依照《国家鲜食玉米记载项目和标准(试行)》和《鲜食玉米感官等级指标》全程观察各品种生长状态及性状，做记录统计分析并评定感官等级，简评玉米品种诸项指标，筛选适合当地种植的优质品种．     

浅谈“两个尺度”的问题

马克思关于“美的规律”的提法是马克思美学理论中的一段极为重要的论述,然而对于其中“内在的尺度”究属谁的尺度却众说纷纭,本从比较各家译入手,指出问题的症结在于中译词和德原词义不完全对等上,根据中译词词义,则理解为“物种的尺度”和“人的尺度”均无不可,但根据德词义的特定含义,则“内在尺度”只能理解为“物种的尺度”。     

赣南师范学院(黄金校区)访花昆虫物种多样性研究

为了解赣南师范学院黄金校区访花昆虫种类,笔者于2010年10月-2011年10月开花期间在校园内采用随机取样和系统取样法,以网捕和手捕方式采集访花昆虫并进行鉴定.结果表明:师院校园共有访花昆虫135种,分属于7目,39科.从目级分类阶元物种数量水平上分析,鳞翅目>膜翅目>鞘翅目>双翅目>半翅目>蜻蜓目>同翅目,其中优势访花昆虫种类为意大利蜜蜂(Apis mellifera)、黑带食蚜蝇(Episyrphus balteatus)和异色瓢虫(Harmonia axyidis).     

Factors Influencing Schoolchildren's Responses to a Questionnaire in Wildlife Conservation Education

Questionnaires are important tools for assessing attitudes regarding conservation issues. However, they are not easily comparable and their reliability has been insufficiently assessed. We examined factors influencing responses to open- and closed-ended questions about animal conservation to more than 600 schoolchildren (9 years old on average). We analysed the level of understanding, controllable (e.g. sample size) and less controllable factors (e.g. affectivity). Most children responded appropriately to the questions, but subtle changes in the phrasing influenced the answers. Affectivity towards endearing species and spontaneity also influenced the responses whereas small sample sizes (～50 children) provided relatively stable patterns. Overall, we suggest that standardization of questionnaires administered over large spatial and time scales is needed to accurately assess children's attitudes towards conservation issues.