方法

The widely-planted vegetable spinach and Lactuca sativa were selected as the research objects. Five different plots were chosen for each plant and five samples were selected in each plot by using plum-shaped arrangement method to form the mixed samples. The contents of Pb, Cd, Cu, Zn were determined and evaluated by single-factor pollution index method.

方法］以人们广泛种植的菠菜和油麦菜为研究对象，每种植物选取了5个地块，每个地块按照梅花形布点法，选取5个样品组成混合样品，测定其中的Pb、Cd、Cu、Zn含量并采用单因子污染指数法进行评价。

Five rootstocks Lagenaria siceraria standl cv, chaofeng F1, Jingxin stock 2, N-watermelon stock, Jiangjun were used to graft watermelon Zaojia. The nutrition quality of the grafted watermelon was determined. The datas obtained was programmed and operated with C language.

方法］用5种砧木品种（黑籽南瓜、超丰F1、N型西瓜砧、将军、京欣砧2号）嫁接早佳西瓜，测定嫁接西瓜的营养品质，用C语言对数据进行编程和运算。

Method］ The process of flower opening and pollen tube germination of Lagerstroemia speciosa was observed and the pollen viability was determined through in vitro germination.［Result］ Sepals of L.

方法］ 观测了大花紫薇花朵的开放过程和花粉管的萌发过程，并采用离体萌发法测定花粉生活力。

Objective: To explore the value of different surgicalmethods in the treatment of the displaced femoral neck fracture of the elderly.analyse joint function, complications, reversion factors Methods: An follow up study was done on 71 cases older than 60years who were treated with internal fixation, femoral head arthrop lasty and total hip joint replacement between 2000 and 2005 to compare the difference upon operation time, blood loss, duration of hospi-talization , joint function evaluation one and two years after operation , complications and reversionrate.

目的：探讨加压空心螺钉内固定术、人工股骨头置换术和人工全髋关节置换术在治疗老年人移位性股骨颈骨折中的临床价值。分析术后髋关节功能、并发症、二次手术或翻修率等相关因素。方法：对2000—2005年于长春中医药大学第一附属医院骨科收治的71例60岁以上移位性股骨颈骨折患者进行了随访研究，比较AO加压空心螺钉内固定术、人工股骨头置换术和人工全髋关节置换术在手术时间、出血量、住院时间、术后下地时间、术后12个月和24个月的髋关节功能评价、并发症以及二次手术率方面的差异。

The ligamentous scaffold material were made from the PVA fibers by braiding technique. The mechanical properties of the scaffold materials were measured using the electronic materials testing machine. Human ACL cells were isolated and cultured by tissue explant and collagenase digestion methods, the morphous characteristics of cells and the secretion of collagen protein were measured. In order to observe the biocompatibility between the material and cells, ACL cells were in vitro expanded and seeded on the scaffold materials.

方法］用聚乙烯醇纺丝纤维编织构建韧带支架材料，在电子拉力机上测试该支架材料的力学性质；用组织块和胶原酶消化培养法在体外分离培养人前交叉韧带细胞并对细胞的生长形态和分泌胶原蛋白的特征进行检测，细胞经体外扩增后种植于编织构建的聚乙烯醇韧带支架材料上观察。

Genomic DNA was extracted from Lilium formolongi to make RAPD reaction.

方法］从麝香百合中提取基因组DNA，进行RAPD反应。

MethodIn the pot test, 4 kinds of wild halophytes (Melilotus suaveolens L, Limonium bicolor K., Salsola collina P.and Artemisia argyi L.) were cultivated in 3 kinds of salt and alkali soils selected from the wastelands of Dagong district, Jixian county and Xiqing of Tianjin city for salt tolerance stress treatments and their physiological indexed such as proline, MAD and soluble sugar content was determined.

方法］土壤为采自天津市大港区、蓟县、西青荒地的3种盐碱土，采用盆栽试验对4种盐生植物（草木樨、猪毛菜、艾蒿和补血草）进行耐盐胁迫试验，测定其耐盐指标（游离脯氨酸、丙二醛和可溶性糖含量）。

(1)content determination of morroniside and Loganin in the extration substance and Fructus Corni by RP-HPLC.

方法(1)通过HPLC法测定FRH方提取物和山茱萸中莫诺苷和马钱子苷含量。

Methods: SD rat model of middle cerebral artery occlusion was established according to the method described by Zea Longa,et al.

方法(1)参照ZeaLonga法制作大鼠大脑中动脉阻塞模型，测定其行为障碍和脑梗塞范围。

objective to explore the best method of nursing in laparoscopic operation of subtotal hysterectomy with pk scapel.methods ninety seven patients under going operation of laparoscopic subtotal hysterectomy with pk scapel were slected.the bleeding volume,operation time and methods of nursing including machine check,proceeding and maintenance of instruments.results bleeding volume was lessened significantly and good nursing during operation can improve safety and success rate of losh.conclusion good nursing with well knowledge of pk scapel,accurate proceeding and sterilization and skilled cooperation plays a key role in assurance of the success of losh.

摘 要］目的：探讨在腹腔镜下使用pk刀行子宫次全切除术配合的方法。方法：对97例使用pk刀在腹腔镜下行子宫次全切除术配合进行总结，主要是检查测试仪器功能，按操作程序密切配合手术，术后正确彻底的清洗、保养、消毒与灭菌。结果：在腹腔镜下应用pk刀切除子宫，出血量明显减少，组织损伤小，97例的手术中除1例粘连严重中转开腹外，其余手术均顺利完成，无并发症发生。结论：护士加强对pk刀的应用学习，正确掌握操作规程和灭菌方法，以及娴熟的腹腔镜配合技术是手术顺利进行的有力保证。［关键词］腹腔镜；pk刀；子宫次全切除术；护理配合

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。