hard formation的例句大全

Study on Impregnated Diamond Bit's Optimal Design for Hard Formation

适合坚硬地层孕镶金刚石钻头优化设计研究

Tangible Results Achieved in Hard Formation Drilling with Percussion Type Wire Rope Coring Tools

绳索取心冲击回转钻具钻进硬岩效果显著

Because of the low penetration rate and loss of fault in block 32 and 53 in YEMEN, the problem of loss was successfully salved by adopting the foam drilling fluid and accelerated the drilling speed in hard formation by applying the air hammer.

也门32区块和53区块地层可钻性差、存在断层漏失，采用泡沫钻井液有效地解决了井漏问题，应用空气锤钻井加快了硬地层的钻进速度；

Application of sidetracking methods in directional well of hard formation

硬地层定向井中几种侧钻方法的灵活应用

A new type bottom hole assembly is provided for high angle deviated and hard formation.

为大倾角硬地层易斜区防斜打快提供了一种新型的钻具组合类型.

A new synthetic diamond impregnated matrix for drill bit used in hard formation is designed.

针对软硬交错、研磨性高的地层设计了一种新型人造金刚石混合孕镶块。

This new coring bit is especially suitable for coring in medium to medium-hard plastic-brittle formation, and the maximum footage of a single bit reaches 115. 71m with a penetration rate of 1. 45m/ h.

这种新型取心钻头特别适用于中到中硬塑脆性地层的取心钻进，单只钻头最高进尺达115.71m（机械钻速1.45m／h），创国内同类取心钻头单只进尺的最高纪录。

Too high addition amount of the stream inoculant is easy to cause inclusions, slag and inoculant cluster which would lead to the formation of hard spots.

随流孕育剂加入量过高容易产生夹杂物、夹渣缺陷，还会发生孕育剂聚集引起的硬质点。

using polyurethane hard foam as a thermal insulation on collecting pipe to protect the formation of hydrate

聚胺酯硬质泡沫塑料用于集气管线保温防止水合物形成

The discussion was made on the technology used in gravel, boulder and hard rock formation.

探讨了在卵砾石 、 漂石等复杂地层以及坚硬基岩中进行旋挖钻进所用钻头的结构及其施工工艺.

Therefore, butoxy in n_butanol can be adsorbed chemically on the surfaces of the tourmaline particles in the process of azeotropic distillation, which can effectively prevent the formation of liquid_bridge between the particles of tourmaline and avoid the hard aggregation in the drying process.

正丁醇中的丁氧基在共沸蒸馏过程中在电气石颗粒表面可取代羟基，产生化学吸附，能有效防止液桥的产生，阻止干燥过程中超细粉末的硬团聚。

Reservoirs in T_2k_1 formation of Weh Oilfield are low permeable and hard to recover.

Weh油田T2k1组油藏为低渗透、难开发油藏。

Comparative study of expression of homeobox gene Msx-1, Msx-2 mRNA during the hard tissue formation of mouse tooth development

同源异型盒基因Msx-1，Msx-2在鼠牙发育中的表达

Yung-Ping Wu pointed out that a clear focus, the rapid formation of high-pressure strike hard situation.

吴永平 指出,要明确重点, 迅速形成高压严打态势.

Feasibility Study on High Speed Cutting of Formation Spiral Bevel Gear's Hard Blank

成形法螺旋锥齿轮硬齿面高速铣削的可行性研究

Isolated odontoblast-like cells initiated dentin-like hard tissue formation and scattered autolyzing apoptotic cells were also observed in the transplants.

以及孤立的成牙本质样细胞提示牙体样硬组织的形成，移植物中也可见分散的自体溶解凋亡细胞。

With further increase of salt concentration, interaction between polymer and ion enhanced, which brought about the formation of new hard-segment aggregates.

随着盐浓度进一步增加，聚合物-离子相互作用增强，体系中硬段结构出现新的聚集形态。

Spherulite formation of hard segments and compatibility between soft and hard segments in polyurethanes

聚氨酯硬链段球晶生长与软硬链锻混容性的关系

This paper studies the hydration sloughing mechanism of three kinds of hard and brittle shales of Shahejie formation in Gangdong oilfield.

研究了大港油田港东地区沙河街地层三种硬脆性泥页岩的水化坍塌机理。