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to explore and summarize the application efficacy of dhs fixation in elderly intertrochanteric femoral bone.methods in shangqiu fifth people's hospital from january 2000 to june 2007 the application of dhs treatment to intertrochanteric fracture has 58 cases, among which male 19 cases, female 39 cases, age 60~98 year old, average age 71 year old, all carry out dhs for fracture fixation.results after six months to 3 years of follow-up, 58 cases of this group has 47 cases with normal walking, without coxa vara, postoperative excellent rate is 81.03%.conclusion grasp the operative indication, intraoperative master key, dhs is the better choices to the treatment of intertrochanteric fracture.

目的 探讨和总结dhs内固定在老年人股骨转子间骨折中的应用疗效。方法商丘市第五人民医院自2000年1月至2007年6月应用dhs治疗股骨转子间骨折58例，其中男性19例，女性39例，年龄60～98岁，平均年龄71岁，均行dhs对骨折固定。结果经半年至3年随访，本组58例患者有47例能正常行走，无髋内翻，术后优良率81.03%。结论把握手术适应证，术中掌握操作要领，dhs是治疗股骨转子间骨折的较好选择。

Using particle image velocimetercombined with CFD dynamic mesh,an experimental and simulation study was carried out on flow field in the near-wall region outside a vibrating tube.The charts of velocity vector of flow field outside the tube under five conditions with amplitude 1.3 mm and frequency 5—25 Hz were obtained,and the cosine of average synergy angle of flow field outside the tube was calculated.

采用粒子图像测速与CFD动网格相结合的方法，对振动圆管外近壁区流场进行了实验及模拟研究，得到了振幅1.3 mm、频率5～25 Hz范围内的管外流场速度矢量图，计算了不同工况下管外流场的平均场协同角余弦值。

Mr Wain points out that in the previous decade, the average had been 8%, but Dr Mahathir's role in the modernisation of his country, and its transformation into a manufacturing hub, remains remarkable.

韦恩先生指出在过去的二十年中，平均增长率曾达到了8%，但是穆罕默德医生在国家的现代化以及向工业枢纽转型的过程中仍然功不可没。

Gather a sour buffer liquid of the sugar adoption lemon to carry on taking out to lift to the sweet dew in the beer leaven, separate many sugar from ferment a liquid, is precipitate with cold methyl alcohol, get a white thick lift a thing, use the 铵 salt and boric acid of the quarter again with many sugar the formation match with a thing, adding ether to precipitate, getting white and refined sample, average each 50 gs the wet leaven cell can get such refined sweet dew to gather the sugar 0.6 gs, computing with the this kind method withdraw of produce a rate for 1.2%.

对啤酒酵母内的甘露聚糖采用柠檬酸缓冲液进行抽提，从发酵液中分离多糖，以冷甲醇沉淀，得白色粗提物，再用季铵盐和硼酸与多糖形成配合物，加乙醇沉淀，得到白色精制样品，平均每50g湿酵母细胞可得到这样的精制甘露聚糖0.6g，计算出以此种方法提取的产率为1.2%。

Monomeric percentage of conversion measured by bromination and average molecular weight measured by viscosity method are also carried out.

用溴化法测定单体转化率，用粘度法测定聚合物的相对分子质量。

Methods A follow-up survey of 3-4 months(average 20.36 ±5.35 months) to 56 simple obe- sity case was castled out.

追踪肥胖的转归对防治肥胖尤为重要。方法为了解肥胖的转归，本文对56例单纯性肥胖患者的体重。

Studies were carried out on the growth and oxygen consumption of Esox lucius in intensive culture in Jiuquan, Gansu province of China. The average body length and weight of the experiment fish increased from 12.3±1.36 cm to 54.2±0.5 cm, and 22.00±1.58 g to 1776.0±6.5 g, respectively, after 365 days culture.

对肉食性凶猛的白斑狗鱼在中国西部甘肃省酒泉市盐碱水域设施集约化养殖中的生物学特性和耗氧率进行了研究。

In addition to what he or she pees out, the average human excretes about half a quart of water a day through sweating and exhaling.

除了排尿，普通人每天还会通过流汗和呼吸等方式排出约500mL的水分。

The average weight of the other group of50fetus-es is less than2500g when they were born.Among them,27babies were well developed,but23were hypogenetic,with abnormal blood flow,point out intrauterine growth retardation.

另50例胎儿出生时体重小于2500g，其中27例新生儿虽体重较正常儿偏小，但发育正常；另23例胎儿血流动力学指标异常，提示胎儿宫内窘迫，导致异常分娩，新生儿生存率低。

The average weight of the other group of0fetus-es is less than00g when they were born.Among them,7babies were well developed,butwere hypogenetic,with abnormal blood flow,point out intrauterine growth retardation.

另0例胎儿出生时体重小于00g，其中7例新生儿虽体重较正常儿偏小，但发育正常；另例胎儿血流动力学指标异常，提示胎儿宫内窘迫，导致异常分娩，新生儿生存率低。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。