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The results have shown that 16 generations of the pest occurin a year in Beibei, Chongqing. At 15. 4℃-15. 6℃, 20. 1 ℃- 21. 6℃, 24. 4℃- 25. 8℃ and2 9. 6℃- 31. 5℃, theegg, nymph, protonymph and deutonymphstages last, on the ave...

成螨寿命8～42天，每头雌螨平均34.8粒；幼、若、成螨喜在叶底及叶缘分散为害，田间发生以5～6月、10～12月螨量大，对雨水冲刷及农药的抗性远比朱砂叶螨强，有逐步上升为桑园主要害螨之一的趋势。

Methods 50 patients with diabetes and contrast group were observed, with transcrianial color Doppler flow imaging, cerebral blood stream velocity; pulsative index,resistive index and S/D were calculated of middle cerebral artery, anterior cerebral artery and posterior cerebral artery Results (1)Changes of cerebral blood stream velocity were non-specifitical in blood waves of TCDFI, but VE was reduced.

经临床诊断糖尿病50例，行TCDFI检测大脑中动脉、大脑前动脉、大脑后动脉等血管的血流速度指标及搏动指数、阻力指数，收缩期血流速度/舒张末期血流速度及频谱形态分析与健康组对照比对分析。结果(1)TCDFI频谱中，血流速度的变化，Vmax是非特异性的，而VE是明显下降的。

Methods 50 patients with diabetes and contrast group were observed, with transcrianial color Doppler flow imaging, cerebral blood stream velocity; pulsative index,resistive index and S/D were calculated of middle cerebral artery, anterior cerebral artery and posterior cerebral artery Results (1)Changes of cerebral blood stream velocity were non-specifitical in blood waves of TCDFI, but VE was reduced.

目的 为探讨糖尿病对脑血管的，而对脑动脉血流动力学进行对比。经临床诊断糖尿病50例，行TCDFI检测大脑中动脉、大脑前动脉、大脑后动脉等血管的血流速度指标及搏动指数、阻力指数，收缩期血流速度/舒张末期血流速度及频谱形态分析与健康组对照比对分析。结果(1)TCDFI频谱中，血流速度的变化，Vmax是非特异性的，而VE是明显下降的。

The paper discussed different effects (such as oil-water ratio, extraction ,mixing time, equipment time and so on) on the removal efficiency of COD and the acidity of raffinate, and the effect of active carbon dosage and temperature on the discoloring efficiency.

实验探讨了油水比、萃取混合时间、静置时间等因素对COD去除率及酸度的影响，研究了活性炭加入量及温度对脱色效果的影响。

Fire-fighting foam is an aggregate of air-filled bubbles formed from aqueous solutions and has a lower density than that of flammable liquids. It is principally used to form a cohesive floating blanket over flammable and combustible liquids and prevents or extinguishes fire by excluding the air and cooling the fuel. It also prevents from reignition by suppressing formation of flammable vapors. Therefore, Fire-fighting foam can be used as a fire prevention, control, or exposure protection for flammable liquid fire hazards.

消防泡沫是一种填充空气的泡沫水溶液集合体，其密度比易燃性液体低，并可粘著、覆盖於易燃性与可燃性液体表面而达到隔离空气、冷却燃料及防止燃料持续蒸发引燃等功用，所以消防泡沫常使用在易燃性危险液体之预防火灾、制压火势及防阻延烧上。

The lower the partition coefficient existed, the more easily the remobilization of heavy metals from sediment particles occurred.

分布平衡系数kD愈小，代表重金属愈易释出，锌及镍比铅及铬更易於释出到孔隙水中，而铜最不易释出到孔隙水中。

Methods:Thirty six mice were inoculated with the sarcocarcinoma 180 according to the standard method,after 10 days,weighed the tumor and body.The expressions of bcl2 and p53 proteins in the tissue were studied by immunohistochemistry; and the activities of SOD, GSHPx and the content of MDA were detected by colorimetric method in serum.

按照标准方法给36只小鼠接种S180肉瘤后，给予珍珠梅提取物10 d，观察瘤重及体重，免疫组织化学方法检测肿瘤组织中的bcl2和p53蛋白，比色分析法检测血清SOD，GSHPx的活性及MDA含量的变化。

Methods:Thirty six mice were inoculated with the sarcocarcinoma 180 according to the standard method,after 10 days,weighed the tumor and body.The expressions of bcl 2 and p53 proteins in the tissue were studied by immunohistochemistry; and the activities of SOD, GSH Px and the content of MDA were detected by colorimetric method in serum.

按照标准方法给36只小鼠接种S180肉瘤后，给予珍珠梅提取物10 d，观察瘤重及体重，免疫组织化学方法检测肿瘤组织中的bcl 2和p53蛋白，比色分析法检测血清SOD，GSH Px的活性及MDA含量的变化。

A series of SiW_(12)/AC catalysts with different silicotungstic acid loadings supported on acti- vated carbon which was treated with 10% HNO_3 solution were prepared by an impregnation method and the catalytic performance of SiW_(12)/AC for the synthesis of trioxane were investigated.

以10%硝酸溶液处理过的活性炭为载体，采用不同质量分数的硅钨酸SiW_(12溶液为浸渍液，制备了不同负载量的SiW_(12)/AC催化剂，考察了催化剂在合成三聚甲醛中的催化性能，并用XRD、FT-IR、NH_3- TPD、BET、TG-DSC等手段对SiW_(12)/AC催化剂晶粒大小、催化剂表面的酸量及酸强度、比表面积及热稳定性等微观特性进行了表征。

Results: In 2007, we provided 602 SPET/CT services in myocardial perfusion scan for attenuation correction and 202 SPET/CT services in other scans for image fusion. Among 64 regional bone SPET/CT services, we noted 2 (3.13%) significant motion artifacts and 2 (3.13%) streak artifacts induced by beam hardening effect while among 25 Ga-67 local SPET/CT services. According to the features including low tube currents and slow rotating speed of this SPET/CT, some problems such as the patient safety, longer scan time, alignment mismatch and radiation protection would be analyzed and discussed.

结果：2007年804例SPET/CT造影中，602例心肌血流灌注断层摄影进行衰减校正，共202例病例进行影像融合，其中鎝－99m-MDP局部SPET/CT发生「影像上明显可见的移动假影」的比例为3.13%(2/64)，镓－67局部SPET/CT发生移动假影的比钊则为24%(6/25)，因射束硬化效应所造成的条状假影有产生干扰融合影像判读的情形，其他问题包括SPET/CT之CT低管球电压及低转速之机器特性、受检者的安全、较长的造影时间、对位错误及辐射防护筝。

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％。