常规

First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.

首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；其次，HF与铝硅酸盐的化学反应不是简单的一次反应，其副产物氟硅酸和氟铝化物还可与铝硅酸盐发生二次反应和三次反应，形成一系列不溶性的沉淀物，对储层造成严重伤害；第三，高温情况下酸液对井下管柱及工具腐蚀性很强，对缓蚀剂性能要求高。

Requests on resistance of corrosion destructibility of sealing interfaces that related to sealing up and cementing exercises in petroleum engineering are more and more of rigidity. It is urgently needs to resolve all sorts of problems that affect interface bonding quality. Conventional cement slurry design resist the destructive function worse, and can't like to satisfy the request to carry on latter production such as perforation, acidify, fracture etc.

常规油井水泥抵抗破坏的性能较差，不能很好满足水泥环抗冲击振动以及射孔、压裂等各种变形破坏的要求，这在一定程度上限制了小间隙、大位移、定向与水平井等特殊钻井工艺技术的发展，也制约了后期压裂、酸化等诸多开发工艺措施的实施。

In this study, 252 acidophilic actinomycetes were isolated from 10 acidic soil samples collected in Jiangxi Province, Yunnan Province and Beijing with dispersion and differential centrifugation approach.

实验中，从江西、云南、北京采集的10份酸性土样，采用分散和差速离心法和常规分离方法分离出嗜酸放线菌252株。

Acromion anteroposterior tangential position radiograph can reveal acromion anterior margin osteophyte ,and it can be used as a routine item for patients who complain pains in shoulders.

肩峰前后切线位 X线摄片能清楚显示肩峰前缘骨赘，可作为慢性肩部疼痛的常规检查方法

Besides the conventional rotator cuff tear, acromion plasty, labrum repair, and surgeries for ennis elbow, osteoarthritis, ankylosis of elbow and teoid osteoma, new techniques have been developed including the arthroscopic repair of large tear of rotator cuff and labrum, tendon transposition, arthroscopic removal of benign tumor around the shoulder joint.

每年除完成常规肩袖修补、肩峰成形、盂唇修补等手术，以及网球肘、骨关节病、肘关节僵直、骨样骨瘤等等的手术治疗外，在关节镜下肩袖、盂唇巨大撕裂修补、肌腱转位、肩关节周围良性肿瘤镜下切除等手术领域内也有了长足发展，使患者在国内可以享受国际先进水平的治疗。

The measurement of the ability of sperm to undergo the acrosome reaction is conventionally used for assessment of sperm capacitation.

检测精子是否具有顶体反应的能力是评估精子获能的一种常规方式。

This paper introduccs a method of analysis of diaminopimelic acid in whole-cell of Actinomyces.

常规的放线菌全细胞二氨基庚二酸的分析，时间长，操作繁锁。

Methods 88 cases of CVA were randomly divided into 2 groups. 43 cases were treated by Salbutamol and Ketotifen, and 45 cases were treated by Penicillin and Syrup for acute bronchitis.

88例咳嗽变异性哮喘患儿，随机分为两组，治疗组 4 3例接受舒喘灵和酮替芬治疗，常规对照组 4 5例接受青霉素和急支糖浆治疗，治疗 3周，观察各组治疗效果。

Mice were fed with commercial diet and 5% soybean peptide solution ad libitum during endurance swimming training every 2 days for 5 weeks.

在5周时间里，每两天对老鼠进行游泳耐力训练，喂食老鼠的是常规食物和5％的大豆肽溶液。

Yet his iconography is distinct from that of Adad, and he sometimes appears alongside Adad with a baton of power or throwstick, while Adad bears a conventional thunderbolt.

他的形象仍然与阿达截然不同，他有时候出现在阿达身旁，带有一根力量或投掷的指挥棒，而阿达则拥有常规的雷电符号。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。