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The complexity coefficients in Inner Monggolia Platform are small. Its Moho has obvious t...

幔过渡带是大陆裂谷环境中底侵作用的产物,幔过渡带的分层特征与该区域中新生代的多期岩浆活动有密切联系。

In order to develop a safe and effective immunoadjuvant to enhance the immunity and resistance of animals against infection, a novel CpG Oligodeoxynucleotides containing 11 CpG motifs was synthesized and inserted into the VR1012 plasmid, designated as VR1C. Then the recombinant VR1C was entrapped with Chitosan nanoparticles prepared by the method of ionic cross linkage, and employed to inject muscularly 3-weeks old Kunming mice; the blank VR1012 packed with CNP and saline were used to inoculate mice as the control groups. 28 days after inoculation, all mice were orally fed with 0.4ml 2x108CFU/ per mouse virulent hemorrhagic enteritis E. coli to challenge the resistance against infection.

为研制安全高效免疫调节剂增强动物免疫抗病能力,本实验设计合成含11个C pG基序的寡聚核苷酸,重组构建含CpG的VR1012质粒(VR1C);制备聚糖纳米颗粒包裹重组质粒(CNP-VR1C),肌注接种3周龄昆明小白鼠,设聚糖包裹空质粒和生理盐水对照组;接种后28天口服大肠杆菌攻毒观察小鼠天然免疫的变化和对强毒感染的抵抗力,Sandwich ELISA测定血清免疫球蛋白和白细胞介素含量。

Histological structures of bursas of Fabricius were observed at the different developmental stages from chicken embryoes to chickens. The results were as follows. The bursa of Fabricius began to develop on the 13th day of post-hatching and its cell aggregated into the nodosity clique underneath the epithelium mucosae. On the 15th day of post-hatching, those cell cliques were surrounded by the flat epithelium and formed the basic structure of folliculus lymphaticus. The number of lymphocytes in the folliculus lymphaticus increased gradually, and the medulla and cortex of a majority of folliculus were not discriminated obviously. Until on the 7th day for chickens, the medulla and cortex of folliculus formed completely and the number of folliculus increased significantly. From 21 to 35 days old, the folliculus lymphaticus transformed from polygon into rectangle. Mucosa epithelial cells increased gradually and their cytoblasts arranged compactly into aline in the basilar part on the 35th day.

本研究观察了从鸡胚到出后的不同生长发育阶段法氏囊的组织结构,结果表明:胚胎13日龄时,法氏囊开始发育,粘膜上皮下形成结节状细胞集团;胚胎15日龄,聚集的细胞集团形成初始的淋巴滤泡;胚胎18日龄到出后1日龄,滤泡内淋巴细胞数量增多,多数滤泡髓质和皮质界限仍不明显;7日龄雏鸡法氏囊髓质皮质分界清晰,滤泡数量显著增多;21日龄到35日龄,滤泡由多边形逐渐转变成长方形;在35日龄时,粘膜上皮细胞逐渐增多,排列紧密,细胞核紧密排列成直线位于基底部。

First mostly contraposing hull deck structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different simplifications of the mathematical model, thereinto mostly analyse five different simplifications of the deck model; Second contraposing hold section and hull deck structure it goes along FEA analysis together, discuss the different influence degree of calculational results between the different elements style, gridding number and gridding density, thereinto mostly analyse the difference between adopting 8 node shell element and 4 node shell element, nondense gridding and thick gridding, and numerous gridding number and few gridding number, In the end mostly contraposing hold section structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different boundary conditions, thereinto mostly analyse the difference between adopting CCS boundary conditions and LR boundary conditions.

首先主要针对船体甲板结构进行分析研究,讨论结构简化不同对有限元计算结果的影响程度,其中主要研究分析了五种不同甲板结构简化模型;紧接着针对舱段与甲板结构一起进行分析研究,讨论单元类型,网格数量与密度的不同对有限元计算结果的影响程度,其中主要研究分析了分别采用8节点板单元与4节点板单元的不同,以及分别采用疏的网格与密的网格,多的网格数量与少的网格数量的计算结果的差异。最后主要针对舱段模型进行分析研究,讨论不同的边界条件对有限元计算结果的影响程度,其中主要研究分析了分别采用CCS舱段边界条件与LR舱段边界条件进行有限元计算而带来的结果上的差异。本文第二部分为港工建筑物中的大直径薄壁圆筒结构的有限元比较分析。在研究大圆筒的有限元比较分析中,主要讨论用不同的网格密度与数量来划分网格引起的差异。其中用了网格密,数量多与网格疏,数量少两种模型进行大圆筒结构的有限元分析对比

Truncated conical element is developed for analysis of revolution shells, using numerical distributed transfer function method.

应用数值传递函数方法建立了一种用于分析旋转静力、动力响应的截锥单元。

Results of the study confirmed that 30 μm PVC bags were advantageous to their quality and storage quality of unshelled pine nut was better than that of shelled pine nut with the same modified atmosphere packaging.

综上所述,30 μm聚氯乙烯袋可以较好地保持松籽品质,相同气调包装贮藏下带松籽的贮藏品质优于去松仁。

But the theory of buckling of polar orthotropic plates is a challenge problem, and no perfect result has been worked out.

由于近年来,复合材料板、的广泛应用,各向异性板、的变形问题越来越引起人们的重视。

Initial Investigation into Relationship between Vocalization Habits and Singing;2. The effects of electrically stimuating the nucleus robustus archistriatalis and RA cup on vocalization and respiration were observed in the oscine bird,Carduelis Spinus.

电刺激鸣禽黄雀古纹状体粗核和RA区,再用生物素标记的葡聚糖胺示踪剂对其纤维联系进行研究,以了解RA及其区对发声和呼吸的影响及其神经支配。

Ogoniland is just a sliver of Shell's onshore oil fields, and the out-of-court settlement is unlikely to end the company's longstanding troubles in a volatile part of Nigeria that is even more violent now than it was back in the 1990s.

Ogoniland油田只是牌陆上油田的一小部分,庭外和解是不可能解决该公司在尼日利亚这个动荡不安的国家里长期以来遗留下的问题,而这些问题甚至比牌在20世纪90年代回到尼日利亚开采石油的时候更加严重。

Environmental changes in the Swan Oxbow of the Yangtze River in China in the last 3 decades have been documented by morphological diversity, ecological characteristics and assemblages of testate amoebae, combined with pigment data.

通过对天鹅洲长江故道近代沉积物中有变形虫的形态、生态特征和多样性组合变化的研究,重建了该地区30a以来有变形虫的群落演替过程。

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In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

Very pretty, but the airport looks more fascinating The other party wisecracked.

很漂亮,不过停机坪更迷人。那人俏皮地答道。