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The root tips were dissociated with 1 mol/L hydrochloric acid for 15 min at room temperature and then were stained with the modified phenol fuchsin staining solution, usually staining for about 10 min could get better dyeing effect.

室温下用1mol/L盐酸解离根尖15min，然后用改良的石炭酸品红染液进行染色，通常染色10min左右即可达到较好的染色效果。

M ethods 96 used gastro scope were average to 2 group s and were sterilized by be marinated in 2%glutaradehyde fo r 20 m inutesand acidic oxidized electro lyzed water fo r 5 m inutes,respectively.Compare the sterilizing effect of the 2 group s.

临床污染的96条胃镜分为两组，分别采用2%戊二醛浸泡20 min、酸性氧化电位水浸泡5 min的方法消毒，比较2种消毒液对胃镜表面和内腔的消毒效果。

Their half-life of heat inactivation at 100℃ were about 3 min and 5 min. respectively.

各自的100℃热失活的半活性期大约为3分钟和5分钟。

A new method using gel permeation chromatographic cleanup followed by high performance liquid chromatography-tandem mass spectrometry has been established for quantitative determination of Maleic hydrazide,Prowl and butralin residues in tobacco.

建立了用凝胶渗透色谱净化-液相色谱-串联质谱分析烟草中3种抑芽剂残留的方法。卷烟中的待测抑芽剂组分用V∶V=1∶1超声提取后通过凝胶渗透色谱净化；凝胶色谱柱为Biobeads S-X3玻璃柱(50 g，400 mm×25 mm)，流动相为V∶V=1∶1溶液，流速5 mL/min；收集第10~25 min流出的液体用液相色谱色谱-三重四极杆串联质谱仪测定。

Then to observe on the changes of blood pressure and hypotension occurrence for patients before treatment, 30 min and 60 min during their treatment.

在人工肝治疗的并发症中，低血压的发生率为3 0 %，有报告高达60 %。

The results show that the highest yield strength and IGC resistance are obtained by 190 ℃/ 60 min retrogression and reaging. But when the alloy is treated near the lowest value of hardness curve of retrogression, the lowest IGC resistance is gotten by 190 ℃/4 min retrogression treatment.

结果表明：合金经190℃/60min回归和再时效处理，屈服强度最高，抗晶间腐蚀能力最好，具有最佳的综合性能；但合金在接近回归硬度曲线的谷值时，经190℃/4min回归处理，抗晶间腐蚀性能最差。

Study on effects of differentiation inducer on adhesion, movement and invasion of chordoma cell line in vitro

结果： 分化诱导剂HMBA诱导的CM319细胞在30 min和90 min粘附实验中的粘附率，分别下降了27%和31%。

The gross observation, light microscopy, electron transmission microscopy, intravital microscopy and laser Doppler flowmetry were conducted on the combs at time of 5 rain, 10 min, 20 min and d 1 ,d 3 after irradiation.

分别于照光5min后即刻、照光10min后即刻、照光20min后即刻、照光20min后第1天、照光20min后第3天分别取6只鸡冠行肉眼、活体显微镜、激光多普勒血流图、光镜和电镜检查，观察鸡冠激光照射处皮肤微循环结构和血流状态的动态变化。

The hypertension model rats were induced with bi-kidney-bi-clip method, then the focal cerebral ischemia-reperfusion rat model was induced by reversible occlusion for a middle cerebral artery with a thread on the stroke prone renovascular hypertensive model rat. While the rats in sham operation group were operated without thread insertion. Shuigou (Du 26), bilateral Neiguan(PC 6) and bilateral Housanli (Zusanli, ST 36) were located according to"Atlas of Experimental Animal Acupoints" made by Hua's. Shuigou (Du26): 1 mm below nasal apex right on the Labium leporinum, be punctured 1 mm obliquely upward; Neiguan (PC 6): at the lateral palm of the forearm3 mm above wrist joint, between ulna and radius, be punctured 1 mm perpendicularly; Housanli (Zusanli, ST 36): under knee joint, 5 mm below the capitulum of fibula, be punctured 7 mm perpendicularly. The skin of Shuigou (Du 26) and the root of right ear, Neiguan (PC 6) and Housanli (Zusanli, ST 36) were connected with electroacupuncture Therapeutic Instrument G6805 with the parameters of continuous wave, 120 times/minute in frequency, 1 mA in intensity for 30 minutes.

用双肾双夹法复制易卒中型肾血管性高血压模型，在此基础上，运用栓线法制备大鼠局灶性脑缺血再灌注模型；假手术组除不插入栓线外，其余步骤同模型组；电针治疗组取水沟(唇裂鼻尖下1 mm正中处，向上斜刺1 mm)、双侧内关(前肢内侧，离腕关节约3 mm处的尺桡骨缝间，直刺1 mm)、双侧足三里(膝关节下侧，在腓骨小头下约5 mm处，直刺7 mm)水沟穴与右耳根部皮肤、内关与足三里接G6805电针治疗仪，连续波，频率120次/min，强度1 mA，留针30 min。

Aiming at the laigh thermal conductivity of magnetic refrigerant materials, this paper presents a new technical scheme named vacuum diffusion bonding, which can improve its thermal conductivity. The results indicate that under the condition of temperature ranging from 550℃ to 620℃ in holding time ranging from 30 min to 120 min and a pressure ranging from 12 Mpa to 20Mpa, both Gd and Cu can effectively bond together.

针对室温磁制冷材料Gd本身导热系数低特点，提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案，在温度为550~620℃，压强为12~20Mpa，保温时间为30~120min条件下，实现了扎和铜异种材料连接，并比较了在锐基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。