bha

Accurate prediction of BHA deflecting capacity is very important for precise well trajectory control.

预测下部钻具组合(BHA)的造斜能力对准确控制井眼轨迹十分重要.

Stabilizer is an important component in BHA of hole deviation control.

稳定器是井斜控制井底钻具组合中的重要组件.

This is BHA [ bottom hole assembly ] log .

这是井下钻具组合的 记录本.

BHT and BHA + BHT ( 1:1 ) are higher anti-oxidation abilities of CLA than other antioxidants.

抗氧化剂BHT、 BHA+BHT对CLA氧化有抑制作用,两者的 抗 氧化性能接近.

Moving-coordinate reiterative method is used for non-linear finite analysis of BHA.

把动坐标迭代法应用于下部钻具组合(BHA)的 非线性 有限元分析.

The results obtained with the oven test proved that their antioxidation properties in soybean oil and lard can compare favourably with BHA or BHT.

烘箱试验证明，二者在市售豆油和猪油中的抗氧作用与合成抗氧剂BHA、BHT可以媲美。

Eccentric BHA is a new deflection controlling tool.

偏轴防斜钻具是一种新型的防斜钻具.

Bha, look, the pumpkin has holes here and there!

啊哈, 看呀, 这南瓜已千疮百孔了!

Three-dimensional bottomhole assembly model BHA directional behavior

三维井底钻具组合模式底部钻具组合定向特性

A common view is that Maitreya's Pure Land belief differs completely from Amit ā bha's Pure Land belief.

学术界一般认为,弥勒净土和弥陀净土是两种截然不同的信仰.

Comparing to national standard method, this method is simple, efficient and accurate, and suitable for determination and confirmation of BHA, BHT in oil and oleaginous food.

与国家标准方法相比，该方法使样品前处理步骤得到简化，操作方便，提高了测定的准确性与灵敏度，适用于油脂及富含油脂食品中BHA、BHT的检测。

These researching achievements offer some scientific theories foundations for the RWD BHA optimization designs and it's construction.

为随钻扩眼钻具组合的优化设计和施工提供了科学的理论依据。

Conclusion the same concentration the antioxidative effect of rutin-PVP coprecipitates equals of BHA and PC.

结论芸香甙 -PVP 共沉淀物与BHA、PG浓度 相同时,抗氧化作用相似.

Pick up BHA and run to seafloor.

将下部钻具下到海底.

New concept for determining the top tangential point on BHA

确定底部钻具组合上切点位置的新观点

Comparing with single stabilizer slide-and-guide BHA, a better steering ability can be achieved through optimizing the structure parameters of double stabilizer slide-and-guide BHA.

通过优化双稳定器滑动导向钻具组合的结构参数，可以获得较单稳定器滑动导向钻具组合更高的导向能力。

Effect of BHA-Plant Growth Hormone on Enzyme Activity

BHA-植物生长素对酶催化活性的影响

BHA: What role for the GM in the 21 st century?

英国饭店协会: 总经理在21世纪的作用是什么?

BHa: a white, waxy phenolic antioxidant, CHO, used to preserve fats and oils, especially in foods.

丁化羟基茴香醚: 一种白色蜡状的苯酚抗氧化剂, CHO, 用于保存脂肪和油, 尤指在食物中.

The BHA transmits its torsional vibration to the gear system of drill power pack and brings about nonlinear vibration.

钻柱将其扭转振动传至钻机动力头，引起动力头齿轮传动系统的非线性振动。

It discussed problems about wellbore structure, BHA, bIt'selection, drilling parameters and so on.

探讨了小眼井井身结构 、 钻具组合 、 钻头选型 、 钻井参数等问题.

Strength analysis of BHA with eccentric subassembly in deflection controlling and drilling fleetly

偏轴钻具组合防斜打快的强度分析

Established the finite element model of the transverse vibration of BHA.

建立了下部钻具组合横向振动的力学模型.

The BHA also considering extending the campaign to cities including Birmingham, Manchester and Edinburgh.

该钻具组合也正在考虑延长运动,城市,包括伯明翰, 曼彻斯特和爱丁堡.

A method for determination of dibutyl hydroxy toluene ( BHT), butyl hydroxy anisol ( BHA) and tetra-butylhydroquinone ( TBHQ) in forage additives by gas chromatography was established.

建立了气相色谱法同时测定饲料添加剂中2.6－二丁基羟基甲苯（BHT），丁基对羟基茴香醚（BHA），特丁基对苯二酚（TBHQ）的方法。

The basic assumptions, equations and boundary conditions for bottom hole assembly ( BHA ) analysis were discussed.

讨论了下部钻具组合分析的基本假设 、 基本方程和相应的边界条件.

The design and application of anti deflection BHA for vertical slim hole

小眼井直井防斜钻具结构设计及应用

Analysis of BHA mechanical behavior of window cutting of herringbone multilateral wells

鱼骨型分支井开窗下部钻具力学性能分析