Study of eccentric multi-axes particular shape tunnel borer and its application

An increment borer is used to determine the age of a tree.

增量螟虫是用来确定树龄的一个。

Exploration of the structural design and sealing selection of a hydraulic thrust borer

液压冲击器的结构设计与密封选择的探讨

It can be concluded that high voltage shock enjoys promising prospect in it's application in controling wood pests, stem borer as well as lumber quarantine.

高压电击法在防治木材害虫、树木蛀干害虫及木材检疫上具有广阔的开发应用前景。

A study on the technique for predicting and forecasting the population levels of corn borer

玉米螟发生量预测预报技术的研究

Influence of Meteorology on the First Generation of Corn Borer in Shandong Province

山东省气象条件对一代玉米螟的影响

Meteorological Forecast Model for Emergence Grade of Corn Borer in Liaoning Province

辽宁省玉米螟发生程度的气象预报模型

Preliminary study on the identification of corn borer resistance of Bt transgenic plant

玉米Bt转基因植株抗虫性鉴定研究初报

Analysis of Corn Borer Characteristics and Weather Factor Influence in the North of Shandong Province

鲁北地区玉米螟发生特点及气象因子影响分析

The Ecological Effect of Biological Control Based on Variation of Population of Corn Borer

从玉米螟种群数量的变化看生物防治的生态学效应

A preliminary dynamic management model for the second generation of European corn borer

防治二代欧洲玉米螟的动态模型

2, the culture filtrate and the enzyme are mixed under the optimum conditions of enzyme's reaction. The reaction mixture is incubated for 30 minutes at 37 ℃; 3, the agar plate is plugged with cork borer to form a hole of 9mm in diame-ter;

测定时发酵液和酶是在酶解反应最适的条件下直接结合，在37℃保温反应30分钟，3.琼脂平板是用打孔器打洞，直径为9mm；

Introduction to the Management of Rapid Construction in Extra Long Tunnel under Hard Rock by Parallel Adit Drilling and Blasting Method Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering

浅谈硬岩特长隧道平导钻爆法快速施工的管理水介质耦合钻孔爆破及其在隧道工程中的应用

A preliminary discussion is made on surface charge distribution on the borehole wall and volume charge distribution in the flushed zone in a borehole by using the theoretical results.

应用所得理论结果，对裸眼井井壁的面电荷分布和地层冲洗带内的体电荷分布情况作了初步的探讨。

Borehole Blasting with Water-couple Charge and Its Application in Tunnel Engineering

水介质耦合钻孔爆破及其在隧道工程中的应用

Based on seismic, well logging, borehole log and core data, applying principles and methods of tectonics, sedimentology and seismic stratigraphy, tectono-sedimentary evolution of Tangyuan Rift and sedimentary facies are studied.

以地震、测井、录井和岩心资料为基础，应用构造学、沉积学和地震地层学原理和方法，对汤原断陷的构造沉积演化和沉积相进行了研究。

On the base of the analysis combining the shape of borehole log, we analyze their sedimentary system and sedimentary facies, and summarize each sedimentary model of sedimentary system, identifying 5 kinds of sand types.

在此分析结果基础上结合测井曲线的形态，分析了它们的沉积体系类型及沉积相态，总结出了其每种沉积体系的沉积模式，识别出了五种砂体类型。

The maximum horizontal direction NE60~ 65 ° of principal compressive stress on Jianghan basin was given by using analytic method of measured stratigraphic dip angle in addition to borehole log data

利用钻孔测井资料并运用地层倾角测量信息分析法，给出了江汉盆地地应力最大水平主压应力方向为NE60～65°

A well-constrained forward model technique is using borehole log to build geologic model suitable for studying complex geologic bodies.

井约束正演模型技术采用测井曲线建立地质模型，适用于研究复杂地质体。

An easy way to draw borehole log automatically

自动绘制钻孔图形的简易方法

The Technical Method of Accurately Determining Borehole Trajectory Using Common Surveying Instrument

应用普通测斜仪精确确定钻孔空间轨迹的技术方法