Study of Ultrastructure on Effect of Sweet Corn Aleurone Layer and Scutellum on Seed Vigor;
甜玉米糊粉层及盾片影响种子活力的超微结构研究
Ultrastructure of Maize Scutellum during Seed-seedling Transformation;
玉米种苗转化过程中盾片的超微结构观察
Experimental study on alkali aggregate reactivity of aggregate for concrete of shield segment of Yangtze River Tunnel;
长江隧道盾构管片混凝土骨料碱活性试验研究
This paper analyzes the working properties of shield segment in different cases according to the field measurement results of the stress,deformation of rebars,and surrounding rock pressure in shield segment of a metro tunnel.
根据某一地铁隧道盾构管片进行钢筋受力、变形、围岩压力等方面的现场测试结果,研究了盾构管片在不同工况下的工作特性。
As a new kind of compound material, the steel fiber reinforced concrete has very good physical and mechanical performance and it is widely applied in civil engineering such as shield segment for its good ductility, crack resistance and impact resistance.
钢纤维混凝土作为一种新型复合材料,具有优良的物理、力学性能,钢纤维的加入,大大的改善和提高了混凝土的性能,因为其延性大、抗裂性好、抗冲击性强等特点而被广泛应用于土木工程结构物中,例如盾构管片。
Studies on spatial distribution of parasitic wasps population of Parlatoria pergandii Comstock;
糠片盾蚧寄生蜂空间分布型研究
A preliminary investigation on natural enemies of Parlatoria pergandii Comstock in peach, apple and pear orchards was carried out in 2000 and 2001 in Kunming and Qujing, Yunnan Province.
于 2 0 0 1～ 2 0 0 2年在昆明和曲靖对危害桃、苹果和梨树上糠片盾蚧的天敌昆虫种类进行了调查。
The Study of Relation between Differentiation Ability and Different Physiological States of Infloresence and Scutellum from Bread Wheat (Triticum aestivum L.);
小麦不同生理状态的幼穗和幼胚盾片与诱导分化能力关系的研究
A New Species of the Genus Parlatoria (Hemiptera: Diaspididae) from China;
中国片盾蚧属一新种记述 (半翅目:盾蚧科)
A New Species of the Genus Parlatoria (Hemiptera:Diaspididae) from China
中国片盾蚧属一新种记述(半翅目:盾蚧科)
In the present paper one new species and one new record of the genus Parlatoria from China are described.
记述中国片盾蚧属1新种芦苇片盾蚧Parlatoria reedia sp。
Perhaps the most interesting part of the grass emtryo is a shield-like structure called the scutellum.
禾本科胚最有趣的部分似乎是所谓盾片的盾状结构。
Taxonomic Study on Subfamily Parlatoriinae from China (Hemiptera: Diaspididae);
中国片盾蚧亚科分类研究（半翅目：盾蚧科）
A New Species of the Genus Parlatoria (Hemiptera:Diaspididae) from China
中国片盾蚧属一新种记述(半翅目:盾蚧科)
The Research on Control System of the Shield Erector Test Rig;
盾构管片拼装试验平台控制系统研究
Research on Rings Fixing DTA in TBM Construction;
盾构施工中管片拟合DTA问题研究
Describe Shield Segment Erection Quality Control Measures on the Metro
浅谈地铁盾构管片拼装质量控制措施
Study of the Segment Internal Force during the Construction of Shield Tunnel
盾构隧道施工过程中管片内力的研究
DISCUSSION AND SELECTION OF SEGMENT JOINT TYPE OF SHIELD TUNNEL
盾构隧道管片接头形式的探讨与选择
Reason analysis of shield structure tunnel segments and its prevention
盾构隧道管片破裂的原因分析及预防
Study on the Mechanics Character of Shield Tunnel Segment with Shell-spring Model;
基于壳—弹簧模型的盾构衬砌管片受力特性研究
Anti-crack Design and Evaluation of Concrete Used in Functionally Gradient Segment of Shield Tunnel;
功能梯度盾构管片混凝土抗裂设计与评价
Research on Structural Mechanics Characteristics of Segment in the Process of Shield Tunnel Construction;
盾构隧道施工过程管片结构受力特征研究
Design Method of Segment Erector Mechanism for Shield Machine;
盾构掘进设备中的管片拼装机机构设计方法
Research on Rising Displacement and Islocation of Shield Tunnel Segment with Straight Joint;
盾构隧道通缝拼装管片的上浮和错台研究
Research and Design Optimization on the Joint of Shield-tunneling Segment;
盾构法隧道管片接头形式研究及其优化
Design and Finite Element Analysis of Shield Lining Segments;
盾构机隧道施工的管片设计及有限元分析
FEM Analysis on Mechanical Behaviors of Segment Joints of Shield Tunnel;
盾构隧道管片接头力学行为的有限元分析
Theory Study and Calculation Analysis on the Structure of Shield Tunnel Segment;
盾构隧道管片结构的理论研究及计算分析
