Results 1 to 10 of about 29,385 (128)

Comparison of Muscle Nutritional Composition of Wild Portunus trituberculatus in Two Sea Areas(2个海域野生三疣梭子蟹肌肉中营养成分比较) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
The nutritional value of Portunus trituberculatus in two different sea areas was comprehensively evaluated by analyzing and comparing the muscle nutritional components.
GUO Ya'nan(郭亚男)   +7 more
doaj   +1 more source

Application of Magnetic Bead Extraction Technology in Detection of Vibrio parahaemolyticus(磁珠提取技术在副溶血弧菌检测中的应用) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
Vibrio parahaemolyticus is a common food borne pathogen. In order to solve the problems of complex steps and long detection period of Vibrio parahaemolyticus, a magnetic bead extraction and PCR combined technique was developed for rapid detection of ...
XIAO Yushi(肖雨诗)   +6 more
doaj   +1 more source

Study on Variation Rules of Volatile Flavors in Laobaigan Base Baijiu at Three Storage Methods(3种贮存方式下老白干原酒挥发性风味成分变化规律研究) [PDF]

open access: yesShipin kexue jishu xuebao, 2023
Aging process during storage is a key process in improving the quality of Baijiu. Laobaigan base Baijiu as a research project was stored for 156 d with three different methods, natural temperature storage (room temperature), constant temperature storage (
WU Huizhu(吴慧珠)   +10 more
doaj   +1 more source

Difference and Its Change Rule of Contents of Main Flavor Compounds in Base Laobaigan Baijiu Among Production Batches(老白干原酒主要风味物质含量批次间差异及变化规律) [PDF]

open access: yesShipin kexue jishu xuebao, 2021
In order to clarify the difference and its change rule of the contents of main flavor compounds in base Laobaigan Baijiu among production batches, statistical analysis was used to analyze the contents of the main flavor compounds in the 2573 batches of ...
WANG Xinlei(王新磊)   +6 more
doaj   +1 more source

Metabolite Characteristics Analysis During Fermentation of Laobaigan Baijiu Based on Non-Targeted Metabonomics Technology(基于非靶向代谢组学技术解析老白干白酒发酵过程中的代谢物特征) [PDF]

open access: yesShipin kexue jishu xuebao
Metabolites during Baijiu fermentation process are closely related to its unique style characteristics. Characteristics and succession of metabolites for Laobaigan Baijiu during its fermentation process have not been comprehensively analyzed.
GENG Xiaojie(耿晓杰)   +8 more
doaj   +1 more source

益生菌对菲律宾蛤仔体内全氟辛酸免疫毒性的调节作用研究

open access: yesHaiyang yu huzhao
全氟辛酸(perfluorooctanic acid, PFOA)是一种具有多系统毒性的新污染物,对双壳贝类可产生一定的免疫毒性效应,损害机体的正常免疫功能。益生菌作为一种安全无毒的食品级制剂,已被应用于水产养殖行业,用以提高水生生物的免疫防御能力。然而,益生菌对贝类中新污染物所引发的生物毒性是否有消减作用,目前尚不可知。据前期研究,新污染物PFOA在水生生物尤其贝类中存在较高的蓄积量,具有潜在的生态和健康风险。因此,探索经济贝类中益生菌对PFOA免疫毒性的消减作用具有重要意义 ...
周 扬   +6 more
doaj   +1 more source

三角帆蚌和褶纹冠蚌的精子冷冻保存方法建立及其应用

open access: yesHaiyang yu huzhao
三角帆蚌和褶纹冠蚌均为我国主要淡水育珠蚌,其所产珍珠占世界珍珠总产量的90%以上,建立两种蚌精子冷冻保存技术,对种质资源保护和遗传育种具有重要意义。比较优化冷冻保护剂、平衡时间、精子包装、精子稀释剂及降温程序等关键技术参数,以精子活力和存活率作为保存效果评价指标,建立了三角帆蚌与褶纹冠蚌精子最优冷冻保存技术方案。结果表明,二甲基亚砜(DMSO)在5%和8%浓度下分别对两种蚌精子具有最佳保护效果,添加0.05 mol/L海藻糖保护效果显著提升;0.5 mL麦管为两种蚌精子的最适容器,优于0.25 ...
李 长志   +3 more
doaj   +1 more source

Land use overrides climatic controls on soil organic nitrogen transformations: Contrasting responsiveness between forest and cropland ecosystems

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Soil organic nitrogen (SON) transformation is critical for global nutrient cycling and ecosystem productivity, yet how its responsiveness to climate change differs across diverse land use types remains poorly resolved.
Xinyi Yang   +10 more
wiley   +1 more source

Developmental plasticity drives converge nt shifts in phosphorus acquisition strategies towards root phosphatase activity in Moso bamboo under nitrogen addition

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Anthropogenic nitrogen (N) deposition is a major driver of global change. However, its effects on the developmental plasticity of plant nutrient strategies remain poorly understood.
Quan Li   +11 more
wiley   +1 more source

光唇鱼(Acrossocheilus fasciatus)卵原干细胞提取、冻存及移植研究

open access: yesHaiyang yu huzhao
为更好地保护和开发光唇鱼(Acrossocheilus fasciatus)资源,进行了光唇鱼卵原干细胞提取、冻存和移植研究。结果显示,光唇鱼卵原干细胞呈椭圆形,长径和短径分别为(16.52±0.87) µm、(10.66±0.87) µm。低温冻存光唇鱼卵巢时以10%的DMSO作为保护剂效果最好,从冻存卵巢中提取卵原干细胞的效率可达新鲜卵巢的42.22%±1.02%。以孵化出膜3日龄斑马鱼仔鱼为受体,将提取的光唇鱼卵原干细胞用PKH26荧光染料标记后移植入受体鱼腹腔。荧光显微镜观察显示,移植后1~5 ...
王 宏艳   +7 more
doaj   +1 more source

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