bha

One of the main reasons of the well deviation in the gas drilling is dynamic characteristics of the bottom-hole assembly (BHA).

底部钻具组合（BHA）的动力学行为是气体钻井时发生井斜的主要原因。

Methods Its antioxidative effect on edible fats was compared with that of BHA and PG.

方法将芸香甙-PVP共沉淀物与BHA、PG在食用油脂中对比抗氧化作用。

Conclusion On the same concentration, the antioxidative effect of rutin-PVP coprecipitates equals that 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。

BHA friction calculation is always one critical problem of horizontal multiple branching wells in the drilling process and design.

钻具摩阻力计算一直是水平多分支井钻井工艺设计与施工过程中的一个关键问题。

Fifth, a relatively stiff bottom hole assembly may not easily fit through the dogleg section drilled with a relatively limber BHA.

第五，同相对塑性的井底钻具组合相比，相对刚性的井底钻具组合在通过狗腿段时可能不很容易通过。

The jar placement in the bottom hole assembly (BHA) will affect the jarring operation very severely.

随钻震击器安放位置的不同，将极大地影响着震击效果。

The computation results are in agreement with the field BHA, thus indicating all the drilling tools used are more reasonable.

计算与观场施工相吻合，说明所用钻具都比较合理。

The results show that the extracts have stronger antioxidative activity than BHA in the system.

结果表明，该提取物的活性略强于人工合成抗氧化剂BHA。

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。

BHA, or beta hydroxy acid, is a form of salicylic acid and is used in some topical exfoliants to reverse signs of aging.

或者betahydroxyacid，是水杨酸的一种，被用在一些局部去角质产品中来扭转老化迹象。

The results show that by designing the structure of the slide-steering BHA carefully, an appropriate steering force can be gained.

结果表明，较好地设计钻具组合的结构，可以得到令人满意的导向力。

Variations in apparent depth between sensors further away from the lowest sensor in the BHA may indicate pipe compression.

明显的深度变化，会在底部组合钻具上远离最低的传感器的传感器之间。

A stabilizer on the BHA positioned opposite the casing shoe reduces lateral motion of the assembly inside the casing.

钻具组合上有扶正器可使套管鞋反向定位以减少套管内钻具组合的侧向移动。

It was decided to change the program to add more LWD tools to the BHA to replace the need for any wireline runs.

公司决定改变这个程序，增加随钻测井用于井底钻具组合的工具以代替对于任何钢缆下入的需要。

Gas chromatographic method was developed for the quantitative determination of BHA, BHT in chicken oil.

建立了鸡油样品中BHA、BHT的气相色谱检测方法。

BHA is found in butter, meats, cereals, chewing gum, baked goods, snack foods, dehydrated potatoes, and beer.

黄油、肉类、谷类、口香糖、焙烤食品、休闲食品、脱水土豆和啤酒中都能找到它的身影。

As application, side forces at bit are calculated and analyzed for some typical BHA and drilling parameters.

最后，应用有限元程序的计算结果，分析钻柱在钻头处的侧向力和各种钻井参数的关系。

POOH to the casing shoe, connect storm packer and RTTS packer, Find a proper point under seabed to hang up the BHA.

起钻至管鞋，接风暴阀及RTTS封隔器，在泥线以下合适位置悬挂钻具。

Also attached the risk assessments and H & S Policy used by the BHA.

附件是英国马篮球协会使用的风险评测和健康及安全政策。

VEGETABLE AND ANIMAL FATS AND OILS. DETERMINATION OF BHA AND BHT.

动物脂肪和植物脂肪.丁基和基甲苯的测定