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增广NCⅡ设计的模型检验和参数估计
增广NCⅡ设计 模型检验 参数估计 Wr+Vr分析
2008/1/30
摘要在增广NCⅡ设计中,当加性-显性效应或加性效应模型适合时,本文给出了阵列协方差(Wr)对阵列方差(Vr)的遗传回归方程、Wr和Vr统计数的表达式和遗传参数的估算式,并用实例进行了分析估算。
2维SU(NC)格点规范理论中夸克真空凝聚
夸克 2维SU(NC)格点
2008/1/29
用改进的Wilson夸克格点哈密顿量和变分法研究2维SU(NC)规范场中夸克真空凝聚〈ψψ〉与夸克质量mq和Wilson参数r的依赖关系. 结果表明: 对于给定的r, 当NC=2,3,4,5,6,7,时,
〈ψψ〉suba/(gNC3/2)的值随mq的增大而减小. 对于较大的NC(如NC3), 当mq很小时, 〈ψψ〉suba(gNC3/2)对r的依赖性很小, 但随着mq的增大, 〈ψψ〉sub...
基于AMMI模型的NCⅡ交配设计试验的配合力分析
AMMI模型 NCⅡ交配设计 配合力
2008/1/4
AMMI模型是基因型与环境互作效应分析的有效工具， 而特殊配合力实际上也是父母本间的 互 作效应。 本文用该模型对NCⅡ交配设计试验的配合力进行分析， 结果表明可提高特殊配合 力估值的准确性。 实例分析结果表明， AMMI模型估计的特殊配合力效应值与传统分析方法 的结果在大小上有程度的差异， 但方向相同； 特殊配合力方差D2与K2大小在不育系 中的排序一致， 而在恢复系中的排序有差异。 讨论了IP...
摘要 用内引物法自pHBVNC-1质粒DNA经Sau3A1降解的1.3Kb片段中,快速、连续测定了HBV adr NC-1表面抗原基因全顺序,与其它三株adr亚型S基因比较,顺序同源性为99％,与adw及ayw亚型比较,同源性为94％。不同亚型间的错义突变比同一亚型不同毒株间的错义突变多。比较11株adr亚型、2抹adw亚型与2株ayw亚型的S基因全顺序,发现在第47,110,113,126,16...
氰桥配合物[LmCo^Ⅲ-μ-NC-Fe^Ⅱ(CN)~5]^-的合成与性质
红外分光光度法 元素分析 铁络合物 钴络合物 亚铁氰化钾 荧光分光光度法 循环伏安法 镧系络合物 氰桥络合物
2007/12/23
摘要 以亚铁氰化钾为原料合成了四种新型配合物，给出元素分析、IR、电子光谱、发射光谱和循环伏安的表征，它们都是氰桥配合物。氰桥的形成由氰基的伸缩振动频率和配合物的电子光谱最大吸收的变化确定。
本文提出的增广 NCⅡ 设计,是指在 NCⅡ 设计含 f×m 个杂交组合的基础上、再添加 f+m 个纯系亲本的遗传交配设计。这一设计可对被研究性状的合适遗传模型(即加性,加性-显性,或加性-显性-上位性)作出统计选择;同时,还能对雌、雄亲的有关基因频率的同质性进行统计测验。文中推导了上述统计处理的遗传学依据,并以陆地棉的一个籽指性状为例解释了相应的统计程序。
“网络计算机NC产业化工程科技论坛”在深圳举行(第34场)
2007/8/8
“网络计算机NC产业化工程科技论坛”在深圳举行(第34场)
2004年11月20日，由中国工程院主办的第34场工程科技论坛“网络计算机NC产业化”，在深圳五洲宾馆国际会议厅举行。论坛由中国工程院院士、信息与电子工程学部李国杰主任主持。本次论坛以“网络计算机技术与产业化趋势”为主题，邀请中国工程院倪光南院士、教育部高教司司长张尧学教授、北京神州天脉计算机有限公...
A Novel Atopic Dermatitis Model Induced by Topical Application with Dermatophagoides Farinae Extract in NC/Nga Mice
animal model atopic dermatitis Dermatophagoides farinae house dust mite NC/Nga mice
2010/11/18
Repeated application of Df extract ointment caused rapid increase in dermatitis scores. Clinical (skin dryness, erythema, edema and erosion) and histological symptoms (dermal and epidermal thickening,...
Increased Number of CCR4-positive Cells in the Duodenum of Ovalbumin-induced Food Allergy Model NC/jic Mice and Antiallergic Activity of Fructooligosaccharides
antiallergic activity CCR4- and CCR5-positive cells food allergy fructooligosaccharides prebiotic food
2010/11/18
The number of CCR4-positive cells increased significantly in Group 2 as compared with Group 1 and tended to decrease in Group 3 as compared with Group 2. Relatively few CCR5-positive cells were observ...
NC State’s Parks, Recreation and Tourism Management Department
旅游管理 娱乐 tourism management Recreation
2007/12/21
NC State’s Parks, Recreation and Tourism Management (PRTM) Department specializes in educating and producing planning and management professionals in the fields of parks, recreation, tourism, golf and...
Dietary Whey Protein Hydrolysate Suppresses Development of Atopic Dermatitis-like Skin Lesions Induced by Mite Antigen in NC/Nga Mice
atopic dermatitis Dermatophagoides pteronyssinus E-selectin mice whey protein
2010/11/18
Background: Oral administration of enzymatic hydrolysate of cow's milk whey protein (WPH) has been reported to produce an anti-inflammatory effect. Since inflammation plays a role in dermatitis of all...
Inherent and antigen-induced airway hyperreactivity in NC mice
airway hyperreactivity asthma genetic regulation inbred strains inflammation NC mice
2010/11/29
In order to clarify the airway physiology of NC mice, the following experiments were carried out. To investigate inherent airway reactivity, we compared tracheal reactivity to various chemical mediato...
Effects of ultraviolet-inactivated herpes simplex virus type I on atopic dermatitis-like lesions in NC/Nga mice: Role of the suppressor of cytokine signaling in the skin
atopic dermatitis herpes simplex virus suppressor of cytokine signaling (SOCS) Th1 Th2
2010/11/22
Ultraviolet-inactivated HSV treatment would appear to induce a Th1 cellular response and downregulate that of the Th2 pathway in AD-like lesions of NC/Nga mice by bringing about a reduction of SOCS3 e...
Scratching behavior in NC/Nga mice with dermatitis: Involvement of histamine-induced itching
atopic dermatitis histamine itching NC Nga mice scratching
2010/11/24
We found two types of scratching behavior in NC mice, one of a short duration (0.3-1.0 s) and the other of a longer duration (over 1.0 s). The number of short scratchings and HDC activity increased wi...
Locally Nilpotent P-Groups Whose Proper Subgroups are NC-Groups
Locally Nilpotent NC-Groups P-Groups
2010/3/5
Let G be a locally nilpotent p-group in which every proper subgroup is an NC-group. It is shown that G is itself an NC-group if either (i) the normal closure of every finite subgroup of G is a Chernik...