软包装调味笋的研制

对软包装调味笋加工的色泽和口感进行研究。研究表明,用质量分数为0.005%的NaH SO3溶液预处理原料,用质量分数为0.1%的CaCl2溶液预煮杀青10m in,并用0.15%的醋酸浸泡30m in,焖煮时间控制在5m in,就能较好地保持新鲜笋的色泽,同时兼顾产品较高脆性和较好的滋味,达到良好口感的需要。     

武威汉代医简方药药理分析四则

武威汉代医简是一批中医药方的出土文献,一定程度上反映了东汉末年的中医方剂情况。文章分析了这批医简中的四则药方的药理,并与时代稍后的《伤寒论》和《金匮要略》作对比,以此说明该药方对后世中医的贡献。     

竹酢液对杉木苗木生长的影响

以1年生Ⅰ级杉木裸根苗为研究对象,通过盆栽试验,比较喷施及土壤施入两种施用方法及7个不同浓度处理下,竹酢液对苗高、地径以及枝叶生物量、根系生物量和主干生物量影响,同时对不同处理下苗木净光合速率的变化特征进行了比较分析。结果表明：竹酢液合理使用可以明显促进苗高和地径的生长、提高枝叶生物量和根系生物量;竹酢液可以提高苗木的净光合速率,改善光合作用;P300和P800两种浓度和施入方法促进杉木苗木生长的作用最明显。     

藜草花叶病毒的研究概述

藜草花叶病毒(Sowbane mosaic virus,So MV)是菠菜上的重要有害生物,可通过种子、花粉、昆虫介体和机械等方式传播。随着我国种子、种苗进口量的进一步扩大和产业化种植,藜草花叶病毒传入我国的风险非常大。本文综述了藜草花叶病毒的生物学特性、分布、寄主范围、为害症状、传播途径、检测技术等,论述了藜草花叶病毒传入我国的潜在危害性和风险。     

木/竹基复合材料在机电产品包装的应用

我国机电产品的包装大量使用实木材料,面临着资源紧张和成本高昂等问题。通过分析机电产品包装材料的结构形式和承载要求,讨论重组木/竹复合材料在包装行业应用的可行性,从政策、成本和性能等方面,总结新型重组木/竹复合材料替代实木材料用于机电产品包装的优势及发展前景。     

中草药制剂对泌乳奶牛机体免疫性能的影响

试验采用大青叶、大黄、党参等19味中草药分别组成内服和子宫灌注制剂治疗奶牛子宫内膜炎，并采集颈静脉血测定淋巴细胞刺激指数（SI）和中性粒细胞吞噬力，以观察中草药制剂对奶牛免疫性能的影响。结果显示，中草药制剂均可提高奶牛免疫力，内服中草药制剂应用效果优于子宫灌注制剂（P〈0．05）；复方制剂优于单味中草药制剂（P〈0．05）；复方中草药内服制剂可使淋巴细胞刺激指数（SI）和中性粒细胞吞噬力分别提高53．76％和4．58％（P〈0．01）；复方子宫灌注制剂可使淋巴细胞刺激指数（SI）和中性粒细胞吞噬力分别提高39．58％和1．98％（P〈0．01）。     

Exploration of low-yielding causes and rebuilding technique of bamboo forestry

福建省毛竹林面积居全国之首,但毛竹低产现象普遍存在,通过大量的调查,分析了毛竹低产林的产生原因与类型,并针对不同类型提出改造措施,同时提出各时期的管理要点及注意事项。     

Screening and Analysis of Proteins Interacting with TaPDK from Physiological Male Sterility Induced by CHA in Wheat

To further research the regulatory network of pyruvate dehydrogenase kinase (designated as TaPDK) in physiological male-sterility (PHYMS) of wheat induced by chemical hybridizing agent (CHA) SQ-1, an anther cDNA library was constructed, and the proteins interacting with TaPDK were screened via yeast two-hybrid technique. Subsequently, a few candidate proteins in nucleotide expression levels were detected by real-time quantitative PCR. Yeast-two hybrid screening was performed by mating yeast strain Y2HGold containing BD-TaPDK bait plasmid with yeast strain Y187 including anther cDNA library plasmid. Diploid yeast cells were plated on synthetic dropout nutrient medium (SD/-Ade/-His/-Leu/-Trp) (QDO), and further were incubated on QDO medium containing AbA and X-α-Gal. The interactions between TaPDK and the proteins obtained from positive colonies were further confirmed by co-transformation validation. After plasmids DNA were extracted from blue colonies and sequenced, the sequences results were analyzed by bioinformatic methods. Finally, 24 colonies were obtained, including eight genes, namely non-specific lipid-transfer protein precursor (TanLTP), polyubiquitin (TaPUbi), glyceraldehyde-3-phosphate dehydrogenase, proliferating cell nuclear antigen (TaPCNA), CBS domain containing protein (TaCBS), actin, guanine nucleotide-binding protein beta subunit, chalcone synthase, and three new genes with unknown function. The results of quantitative RT-PCR showed that the expression levels of TanLTP, TaPUbi, and TaPCNA were obviously up-regulated in PHYMS anther, and TaCBS expression was only increased at the tricellular stage in PHYMS anther compared with in fertile lines. Whereas, the expression of TaPDK was obviously down-regulated in PHYMS lines. Collectively, these datas indicated that the majority of candidate proteins might be related to pollen abortion in PHYMS lines, which further suggested that TaPDK plays multiple roles in pollen development, besides participating in regulating pyruvate dehydrogenase complex activity.     

青贮笋壳对奶牛生产性能及部分血清生化指标的影响

为研究青贮笋壳在奶牛生产中的应用效果，试验选用15头健康荷斯坦奶牛随机分成3组，即对照组、试验1组（6 kg青贮笋壳替代对照组日粮中1.5 kg的苜蓿干草）和试验2组（9 kg青贮笋壳替代对照组日粮中2.5 kg的苜蓿干草），进行为期60 d的饲养试验，其中预饲期10 d，正式期50 d。试验结果表明，试验1组产奶量较对照组和试验2组有所提高，但差异不显著（P＞0.05），试验1组4%标准奶产量则显著高于试验2组和对照组（P＜0.05）。试验1组乳脂率显著高于试验2组和对照组（P＜0.05），其他乳成分含量各试验组均较对照组有所改善（P＞0.05）。奶牛各项血清生化指标试验组和对照组间无显著差异，均处于正常生理范围。因此，青贮笋壳可以替代部分苜蓿干草在奶牛日粮中使用。