等环的

The steel tube of inner flame plating that be encircled by the oxygen powder series can resist machinery wear and have the chemistry stability highly and have corrode as well as water of heat resistance easy to acid proof and to be able to bear an alkali and to be able to bear salt and be able to bear and resisting a microorganism to wait for outstanding being able to bear to corrode a function in the process of usage, But the problem of filling up the mouth is not getting very good solving so far in the homeland.

环氧粉末系列的内喷涂钢管在使用过程中具有抗机械磨损、化学稳定性高、耐热性好、耐酸、耐碱、耐盐、耐水以及抗微生物侵蚀等优异的耐腐蚀性能，但是它的补口问题在国内至今没有得到很好的解决。

Similar to the case of order 3, the Jacobason radical of Γ_n, the simple objects and indecomposable projective objects of Γ_n~L are determined,we also give a estimate of the global dimension of Γ_n.

类似于三级三角矩阵环的情形，我们也确定了Γ_n的Jacobson根，Γ_n~￡的单对象和不可分解投射对象以及Γ_n的整体维数的估计等。

Mathieu[17] discribe the form of Lie derivations on primitive ring whose charater is not 2 and which has no non-trivial idempotent. After that, Miers[18],Mathieu and Villena[19] also study Lie derivations on Von Neumann algebra and algebra.

Martindale[17]首先讨论了特征不等于2且含非平凡幂等元的本原环上的Lie导子的表达形式，随后Miers[18]，Mathien和Villena[19]也分别对VN代数，C~*-代数上的Lie导子进行了刻画。

bleeding, including the non-organic function of uterine bleeding, also includes a period of abnormal menstrual bleeding and menstrual bleeding outside, such as birth control at the central bleeding, uterine fibroids caused by bleeding the mother of medicine that "metrorrhagia" light, known as "lou xia", that are heavy "in the collapse."

子宫出血包括了无器质性的功能性子宫出血，也包括了月经期的不正常出血以及经期以外的子宫出血，如放置节育环的出血，子宫肌瘤引起的出血等，祖国医学谓之"崩漏"，轻者称为"漏下"，重者谓之"崩中"。

The properties of the yarn structure and its fabric style produced by compact spinning and traditional ring spinning are com- pared through experiments by use of microphotograph and fabric style tester and related effective factors are also analyzed, thus provided some basis for compact spinning product development and positioning.

通过采用视频显微镜和织物风格仪等进行的实验，研究比较了紧密纺和传统环锭纺纱线的结构和织物风格特点，并分析了相关的影响因素，为紧密纺的产品定位和产品开发提供了依据。

The influence of ultrasonic treatment on accessibility and oxidation reactivity of MCC with periodate sodium was investigated.

氧化纤维素是制备不含葡萄糖环骨架的新型纤维素衍生物的原料，利用醛基的反应可以获得具有荧光、储能、尿素吸附剂以及生物医用等功能的高分子材料。

The different leak detecting technologies are used in the fields as ground environmental simulation experiment equipment,liquid rocket,satellite_borne instruments,vehicle and railway LH 2 tank.

为此 ，根据地面环模试验设备、液体运载火箭、星载仪器、卫星、飞船及铁路液氢槽车等设备的具体情况，采用不同的检漏方法，解决了航天工程设备漏气技术的难题，确保了航天工业产品的质量。

The choice,installation,cooling and cooling water quality requirement of carbide roll ring were introduced,which used in high-speed wire rod mill of Chongqing Iron and Steel Co.

介绍了重庆钢铁股份有限公司高速线材轧机硬质合金辊环的选择、安装、冷却以及其对水质的要求，并简要介绍了生产中轧槽轧制量的设定，以及轧槽的磨损与修复等。

Author has described the existing problems in process of design,fabrication and installation for 5 000 m3 PVC spherical tank;discussed the problems and its solution for analysis design;design change for spherical shell sector plate dimension ;weld gap exceeding the standard requirement etc.

叙述了5 000 m3氯乙烯球罐在设计、制造和安装过程中出现的问题；论述了关于球罐分析设计、球壳板尺寸设计变更、焊缝间隙超标等问题的原因和解决办法；针对球壳板制造和组装过程中出现的纵、环缝间隙问题，提出了调整安装形式的改进措施。

Bifurcation and choas of the zigzag sampled phase detect frequency synthesizer;2. When incidence coefficient is afunction of the time,the parameter rogions in which the models appear choas behavior are given.

该文研究了Lin Weimin等人给出的一类具有非线性传染力的SIRS模型，证明了在某些参数区域内极限环的存在性和唯一性，以及在传染系数与时间有关时，模型存在混沌性态的参数区域。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。