查询词典 pumping-back method

A new anchorage system for girder to obtain pretension stress at section top-edge in middle of span is shown. Based on the research of bi-prestressing beams inside test-room and the test of the prestress bar character, method for calculating the full size gird and choosing section are proposed. A new-style corrugated pipe which is shown in the paper is used, to solve the transformation of compressed thread bar and the contradiction between loss of friction resistance and pumping in pipe.

本文通过大量的试验及研究分析，提出了双预应力梁跨中上缘获得预拉应力的新的传力锚固体系；通过对室内双预应力混凝土小梁的研究，检测了预压钢筋的受力性能和预压过程中的某些影响参数；提出了足尺梁计算方法和截面、跨径选择方法；研制了新型哑铃型波纹管，很好地解决了预压钢筋变形、摩阻损失和管道压浆之间的矛盾；通过对30？

A new method of predicting and diagnosing for sucker rod pumping system in deviated wells［J］.

斜井有杆泵抽油工况预测和诊断的新方法［J］。？

Based on the diffusive equation of incoherent-feedback random lasers,whose gain is modified by adding a saturation factor,the evolution of the emitted light intensity in two-photon pumping random lasers varying with time is studied by use of finite difference method.

引言从20世纪90年代开始，人们对光在增益无序介质中与介质相互作用而产生的受激辐射现象的研究表现出了极大的兴趣[1—11]。实验上，国内外的学者们在不同的随机介质中观测到了光的放大。

The result shows that the compressing strength and viscosity of wet fly ash is increased after it being modified with physical and chemical method, realizes pumping requirements of wet fly ash.

结果表明：湿排粉煤灰经物理粉磨和化学激发等改性后，其胶砂的抗压强度提高，流动度也得到提高，实现湿排粉煤灰的泵送要求。

The hydrologists often use a graphical or numerical method to analyze pumping test data for estimating aquifer parameters based on the homogeneity assumption.

过去在检定地下水含水层的参数，大多利用抽水试验，再以图解法或数值方法来分析泄降数据以推求参数值，但这些方法皆假设水层为均质。

Because this produces peculiar tooth jaw face to misshape, constant expression is mid development undesirable reach cave, length of direction of around of bone of the upper jaw and perpendicular direction height shorten, tooth bend is narrow, the tooth lists jam, occlusive relation is disorder, anterior teeth or complete tooth bend are enclothed instead, before mandible true sex or false sex dash forward. 2 use DO method at the back of art of Jiao Zhi cleft palate in the portion caves at the back of art of abnormal cleft palate in the portion caves abnormal treatment method is very much, if Kettle reports block is mental,raise fight a way, the face guard method that Tind Lund uses, wang Ketao [1] uses Peng body to get together 4 fluorine ethylene fills up repair misshapes this kind etc.

因此产生特有的牙颌面畸形，常表现为面中部发育不良及凹陷，上颌骨前后方向长度及垂直方向高度变短，牙弓狭窄，牙列拥挤，咬合关系紊乱，前牙或全牙弓反覆盖，下颌真性或假性前突。2利用DO术矫治腭裂术后面中份凹陷畸形腭裂术后面中份凹陷畸形治疗方法很多，如Kettle报道枕颏支抗法，Tind lund采用的面罩法，王克涛[1]采用膨体聚四氟乙烯充填修复此类畸形等。

The interval parameter perturbation method and the interval parameter back analysis method are studied, and the interval parameter monotony back analysis method is presented.

研究了区间参数摄动法和区间参数优化反分析法，提出了区间参数单调性优化反分析法。

Optimization back analysis is a method, which combines the method of parametric back Analysis with optimization technique, making this method more efficient.

优化反演法是结合优化技术来进行参数反演的一种方法，这种方法使反演的效率得到了很大的提高。

It includes: the application background,the determination of support parameters,the synopsis of substep drivage method,the construction craft and experimental method,the adopting measures to the project quality after using the substep drivage method,the frond and back application of the supstep drivage method,the useful effect etc.

介绍了祁东煤矿在煤层厚度变化大等复杂条件下的掘进工作面应用分台阶掘进法施工及支护情况，包括应用背景、支护参数确定、分台阶掘进法简介、施工工艺及实验手段、分台阶掘进法使用后对工程质量采取的措施、分台阶掘进法使用前后比较、应用比较，应用效果等。

Based on fuzzy mathematics comprehensive evaluation, the toxicity of heavy metals was taken into account. The fuzzy comprehensive evaluation results by pollutant concentration exceeding standard weighting method, toxic response coefficient heck-stepping index weighting method and heavy metal toxicity sorting weighting method were compared with the potential ecological risk evaluation results. The research results showed that the evaluation results by toxic response coefficient back-stepping index weighting method could reflect the actual results more truly and accurately.

在模糊数学综合评价基础上，将重金属的毒性纳入权重考虑，通过污染物浓度超标赋权法、毒性响应系数反推指数赋权法和重金属毒性大小排序赋权法的模糊综合评价结果与潜在生态危害指数评价结果比较，研究表明毒性响应系数反推指数赋权法的评价结果更能真实准确地反映实际结果。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。