查询词典 dendritic drainage pattern

The importance of studying shrinking of polystyrene pattern for evaporative pattern casting is pointed out in this paper.After studying effects of technological factorsexpandable polystyrene(EPSbead diameter,pre-expansion time,age time of pre-expansion bead,molding steam pressure,storage time and temperature of pattern on shrinking of pattern,it is shown that the stress relaxation of pattern and the escape of pentane and water in pattern are main cause of pattern shrinking.

指出了对消失模铸造用聚苯乙烯模样收缩展开研究的必要性，研究了可发性聚苯乙烯珠粒粒径、预发泡时间、预发泡珠粒熟化时间、成形蒸汽压力及模样的放置时间、贮存温度对模样收缩的影响，认为模样中发泡剂和水分的挥发以及应力的释放是引起模样收缩的主要原因，最后提出了在实际生产中为减少模样收缩应采取的措施。

These 375 patients had a median age of 50.57±10.46(range,19-72) with 87.4%HBsAg positive and 4.3%anti-HCV antibody positive;The apparent peak incidence age was 40～60 years old,and the ratio of male to female was 10.7:1;The 3 and 5 year postoperational survival rate were 52%and 38%;The tumour numbers(p=0.000),tumor size(p=0.025),histological pattern (p=0.000),nuclear features(p=0.000),differentiation(p=0.001) and vascular invasion(p=0.000) were significantly correlated with prognosis.The postoperational survival time of thin trabeculae pattern,compact pattern and pseudoglandular pattern were significantly longer than that of thick trabeculae, scirrhous pattern,and solid patternp＜0.009the postoperational survival time of 1 and 2 grade based on nuclear features were significantly longer than that of 3 and 4 grades(p=0.000The small cell variant,osteoclast-like giant cell variant, and spindle cell variant were mainly composed of thick trabeculae pattern and solid pattern,which were significantly different from that of clear cell variant.

结果1。本组资料显示肝细胞癌发病年龄19～72岁，平均50.57±10.46岁，发病高峰年龄40～60岁，男女比例为10.7：1；HBsAg87.4%，anti-HCV抗体4.3%；术后3年生存率为52%，5年生存率为38%；肿瘤数目(p=0.000)、肿瘤大小(p=0.025)、组织学结构类型(p=0.000)、核分级(p=0.000)、分化程度(p=0.001)及血管浸润均(p=0.000)与预后明显相关；其中组织学结构类型中细梁状型生存时间与致密梁状型和腺样型无明显区别(p＞0.05)而明显高于粗梁状型、实性型和硬化型(p≤0.009)，硬化型生存时间与实性型之间无明显区(p＞0.05)而明显低于其余各型p≤0.006核分级1级与2级生存时间无明显区别(p＞0.05，核分级3级与4级生存时间无明显区别(p＞0.05)，而核分级3级生存时间明显低于2p=0.000小细胞型、巨细胞型和梭形细胞型主要由实性型和粗梁状型组织学结构类型构成，明显不同于透明细胞型(主要由细梁状型和粗梁状型构成(p≤1.006)。2。

Many kinds of the drainage equipment paving closed system, surface drainage and underground drainage are introduced in this paper, and including the planning of the drainage equipment , the key points in the construction and greening proposes in the central mall.

通过对中央分隔带排水的重要性和采用铺面封闭、表面排水和地下排水三种典型的中央分隔带排水设施的阐述，简要介绍了排水设施的设计、施工要点及分隔带上绿化所采用的方式。

And tower water supply drainage work is compared with in general multilayer building and low tier of buildings water supply drainage work , fundamental theory and reckoning are identical in the field of some , tier of numbers are many because of the tower , the building altitude is big , the building function is broad , building structure is complicated but, what be accepted the external world condition restricting waits, tower water supply drainage work is listed in disregarding being to be still extent on technology depth,have exceeded low tier of buildings water supply drainage work category, The number having the following few characteristics tower water supply draining off equipment is many and, instant the source of water that the rate of flow giving a water yield and draining away water depends on , rational water supply of economy sewerage form and , breathable appropriate treatment draining off pipeline problem and, to ensure that water supply safety is reliable , the administration draining away water unobstructed and defending is convenient.

高层建筑给水排水工程与一般多层建筑和低层建筑给水排水工程相比，基本理论和计算方法在某些方面是相同的，但因高层建筑层数多、建筑高度大、建筑功能广、建筑结构复杂，以及所受外界条件的限制等，高层建筑给水排水工程无论是在技术深度上，还是广度上，都超过了低层建筑物的给水排水工程的范畴，并且有以下一些特点高层建筑给水排水设备的使用人数多，瞬时的给水量和排水流量靠的水源，以及经济合理的给水排水系统形式，并妥善处理排水管道的通气问题，以保证供水安全可靠、排水通畅和维护管理方便。

The siphonic drainage system, also called press drainage system, is a more advanced roof drainage system in the world. It is applied widely in large-scaled workshop, exhibition, airport lounge and gymnasium whose roofs have large span and complex structure, and its a valid way to solve roof drainage.

虹吸式屋面雨水排水系统也称压力流排水系统，是当今国际上较为先进的屋面雨水排放系统，它被广泛应用于大型厂房、展览馆、候机楼、体育馆等跨度大、结构复杂的屋面，是解决屋面排水的有效途径。

The effective means for increasing the efficiency of power plant is to connect the extraction feedwater system with drainage pump. But the running conditions of drainage pump is bad, because the working substance in drainage pump is generally low pressure heater drainage which is of features such as high back pressure and suction temperature.

采用疏水泵连接的给水回热系统是提高电厂效率的有效措施，但由于低压加热器疏水具有吸入压力和吸入温度比较高的特点，从而造成疏水泵的工作条件较差。

Results: Among 80 cases of ACST, 76 cases were successfully implemented LC, gallbladder puncture and decompression choledocholithotomy T-tube drainage were performed in 11 cases, choledocholithotomy T-tube drainage in 15 cases, common bile duct gall bladder fistula Toishi T-tube drainage in 14 cases, gallbladder removal choledocholithotomy T-tube drainage in 36 cases, operative time 15-120 min, bleeding 10-80 ml; 4 cases transitted laparotomy, 1 case of gallbladder and surrounding tissue adhesion serious, ampulla signs disappear, and the hepatoduodenal ligament ill-defined, 2 cases of gallbladder contraction deep within the liver, gallbladder triangle scar adhesions, and 1 case of duct stone impaction and severe adhesions; postoperative hospital stay was 8-11 d, all were well recovered; pathological diagnosis, acute cholecystitis in 41 cases （51.2％）, acute suppurative cholecystitis in 24 cases （30.0％）, acute gangrenous cholecystitis in 15 cases （18.8％）.

结果：重症急性胆囊炎80例，76例成功实施LC，其中，胆囊穿刺减压胆总管切开取石T管引流11例，胆总管切开取石T管引流15例，胆囊造瘘胆总管切开取石T管引流14例，胆囊切除胆总管切开取石T管引流36例，手术时间15～120 min，术中出血10～85 ml；4例中转开腹，其中，1例胆囊与周围组织粘连严重，壶腹部标志消失，与肝十二指肠韧带界限不清，2例胆囊萎缩深陷肝脏内，胆囊三角区瘢痕粘连，1例胆囊管结石嵌顿且严重粘连，术后住院时间8～11 d，术后恢复均良好，治愈出院；80例术后病理诊断，急性单纯性胆囊炎41例（51.2％），急性化脓性胆囊炎24例（30.0％），急性坏疽性胆囊炎15例（18.8％）。

This design on the main Nanshan coal mine methane drainage occurrence, the necessity and feasibility, drainage methods to determine the expected effect, as well as drainage, etc; and the elaboration of natsun mines in accordance with specific parameters on mine, some of the roadway and workface, drivage workface for gas drainage.

本设计主要对南山煤矿矿井瓦斯赋存情况、抽采的必要性及可行性、抽采方法的确定以及抽采效果的预计等进行相应的阐述；并根据南山煤矿的具体参数，对矿井的一些巷道及采煤工作面、掘进工作面进行瓦斯抽采。

Thirdly, The mathematics model of forecasting low flow was established in Fengcong and Fenglin regions according to these factors influencing the amount of low flow in karst drainage (the area of drainage, lithology, the type of landforms and its special assembly and forest)The conception of low water resources carrying capacity was firstput forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage (ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage.

根据喀斯特流域枯水资源的空间变化规律以及实际开发利用状况，首次提出了枯水资源承载力的概念，即在枯水季节期间，保持良性的生态环境和现有的技术条件下，某一区域内可开采的水资源量对支持该地区人口、经济与环境协调发展的能力和限度。

This paper first makes an introduction to turbulent debris flowdestroying drainage canal ,then simply summarizes the characteristics of the turbulent debris folw;thirdly deeply analyses drainage canal from two directions:one is vertical to drainage canal wall,the other is equal to drainage canal wall.

针对稀性泥石流特点，从垂直于排导槽边壁方向和平行于排导槽边壁方向对排导槽的受力情况进行了比较深入的分析，导出了多个公式，为设计排导槽提供了理论依

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。