查询词典 coring bit

To meet the demand of wire-line coring drilling in complicated formation,compound solid-free drilling fluid of CL plant glue was compounded and used instead of drilling mud with the property of wall protection and leaking stoppage.

为满足复杂地层绳索取心钻探技术的需要，寻找、配制了既能代替泥浆具有良好的护壁堵漏性能，又能满足绳索取心钻进技术要求的CL植物胶复合无固相冲洗液。

Calculating the parameters of fractures and vugs quantitatively based on the EMI imaging logging data, contrast to the geologic coring, which had high accuracy.

3基于EMI成像测井资料定量计算储层缝洞参数，与地质取心资料对比表明，计算准确，精度高

The authors designed two kinds of graphite mold for oil coring hits of the same specification (diameter of 216 mm) but with different crown shape, and used finite element analysis software ANSYS to analyse the molds' force condition during the hot pressing process.

本文设计了两种规格相同（直径均为216mm，但端部形状不同的石油取芯钻头的石墨模具，并利用有限元分析软件ANSYS对它们在热压过程中的受力状况进行了分析。

Using Stimpmeter to measure the green speed of Beijing Willow Golf Course, and make sure how much the green maintenances affect the green speed. The maintenances is about mowing , rolling, coring.

论文主要应用果岭测速计，在北京万柳高尔夫球场进行果岭球速变化特点的调查和不同果岭养护措施对果岭球速影响的研究。

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于全刚石出刃，从而能提高钻进速度。

The fundamental of Logic Algebra Decoding is analyzed at first. Then the bit error types of (2, 1, 4) convolutional code are discussed, and 19 bit error types in a constraint length including 10 bits are found, if one or two bit errors are considered.

之后研究了误码判定的规则，证明了伴随式只与错误图样有关，而与编码器输入的信息序列无关，通过分析错误图样，得出了19种误码类型所对应的伴随式。

Correlation of drillability anisotropy index of the roller cone bit and PDC bit, the difference between drillability of the roller cone bit in perpendicular and horizontal directions of the bedding plane with the P-wave velocity anisotropy coefficient are studied respectively by means of mathematical statistics. A mathematical model is established for predicting drillability anisotropy index by using P-wave velocity anisotropy coefficient.

用数理统计方法研究分析了牙轮钻头岩石可钻性各向异性指数、牙轮钻头垂直于和平行于地层层面方向岩石可钻性差值和PDC钻头岩石可钻性各向异性指数与纵波波速各向异性系数的相关关系，建立了用纵波波速各向异性系数评价地层可钻性各向异性的模型。

By means of fault injection experiments for the BIT systems based on the above BIT arithmetic such as the simulator for avionics and the i960 avionics dada processing unit, the integrativity, generality, high efficiency of the above BIT arithmetic have been shown.

针对上述故障模型，首次在国内航空领域完整地提出BIT测试算法，并加以工程实现，通过在基于上述算法的BIT系统，如航空电子模拟器及i960航空电子数据处理单元进行的故障注入试验，证明了这种BIT测试算法的全面、通用和高效性。

Bit Arithmetic 64位算术运算 Modern 32-bit software frequently uses larger-than-32-bit integer data types for various purposes such as high-precision timers, high-precision signal processing, and many others.

现代32位的软件在表示高精度的计时器，进行高精度信号处理，及其他一些情况下经常使用高于32位的整型数数据类型。

Data bit, 1 stop bit, no check bit.

8，n，1 8 个数据位，1 个停止位，没有校验位。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。