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When the pH is 1.00, column is longer than 8.0 cm, the flow rate of sample solution is lower than or equal to 1.0 mL·min-1 and elution rate with 0.1 mol·L-1 HCl-3% thiourea(40mL) is lower than or equal to 0.5 mL·min-1, Au, Ru, Pd, Pt and Rh can be quantitatively preconcentrated.

对贵金属通过离子交换柱的酸度、过柱流速、柱高、洗脱剂类型、洗脱剂用量和洗脱剂流速进行了系统的研究，找到了最佳条件，同时，还对该树脂的吸附性能和重复使用进行了研究。

Compared with the composite flocculant of WuHan petrochemical factory, its capability is superior to it: the efficiency of eliminating CODCr and SS are 28.75%and 8.29% respectively higher than those by flocculant of WuHan petrochemical factory, but the cost is46.63% lower; which is also far lower than the current average cost of petrochemical industry wastewater treatment. When dealing with papermaking wastewater, it can fully meet the require that WuHan ChenMing paper industry group put forward: The efficiency of eliminating CODCr higher than 25% based on the chemical cost controlled in 0.5 Yuan/ton sewage so as to better the gas float section. Those studies preparatorily show that this composite flocculant has particular effect and obvious economic、environmental benefit in industrial effluent treatment

其在处理石化废水时性能优于青山石化厂的复合絮凝剂，CODCr和SS的去除率分别提高了28.75%和8.29%，处理成本下降了46.63%；且远低于我国目前平均2.80元/的石化废水处理成本；其在处理造纸废水时，可完全达到武汉晨鸣纸业集团所提出的：药剂成本控制在0.5元/以内、CODCr去除率在25%以上的气浮工段改进要求，初步显现出该复合絮凝剂在工业污水处理中的独特作用及明显的经济与环境效益。

Maxillary central incisors had a slightly greater pulpal blood flow values than maxillary lateral incisors. The flow values from 15 teeth with necrotic pulp or pulpless teeth were significantly lower than that from the control teeth. Before therapy the values from 16 deep caries teeth were all higher than that from the control teeth. After therapy, most (15/16) of those values decreased to normal in three days. The value of one tooth with deep caries remained high, and one week later, the pulp became necrosis.

由死髓牙测得的流量值显著小于正常对照。16颗深龋患牙治疗前牙髓血流量皆高于正常对照组，治疗后有15颗患牙的血流量很快降至正常，有1颗患牙在治疗后血流量无明显变化，最终发生牙髓坏死。

Except 58 cases missed and 5 cases induced abortion, we followed up 163 cases(241 kidneys) in different gestational age and postnatal period. Among them, 209 kidneys (86.72%) were discovered pyelectasis between 5mm to l0mm. The pyelectasis of 30 kidneys(12.45%) was between l0mm to l5mm, and that of 2 kidneys(0.83%) was thicker than 15mm. Follow-up result is as follow: 137 cases(214 kidneys) were recovered in normal in fetus period or postnatal 15 months. Their pyelectasis was thinner than 5mm(88.80%). Among them, 16 cases(2l kidneys) were recovered in fetus period(8.71%). 121 cases(193 kidneys) were recovered in postnatal 15 months(80.09%). The rest 20 kidneys' pyelectasis was between 5mm to l0mm(8.30%). 4 kidneys' pyelectatis was between 10mm to l5mm(1.66%), and 3 kidneys' pyelectasis was thicker than l5mm(1.24%).

结果：发现一侧或双侧肾盂扩张≥5mm的胎儿有226例，除58例失访，5例引产外，对163例241只肾脏在不同孕龄及出生后的孩子进行了随访。241只肾脏按肾盂扩张在5~10mm间2的只（占86.72%），在10~15mm间30只（占12.45%），≥15mm者2只（占0.83%）分组观察，随访结局如下：137例214只肾盂在胎儿期或孩子出生后15个月内恢复正常，肾盂扩张＜5mm（占88.80%）：其中16例21只肾盂在胎儿期恢复至5mm以下（占8.71%），121例193只肾盂在孩子出生后15个月内恢复至5mm以下（占80.09）。20只肾盂扩张在5~10mm间（占8.30%）。4只肾盂扩张在10~15mm间（占1.66%）。3只肾盂扩张≥15mm（占1.24%）。

It has the highest rate of redoublement than that of the other OECD countries. It pays more attention to the academic education than that of the other OECD countries. It gives students more equal opportunity to achieve education than that of the other OECD countries.

A 选项，这点从第五段提到的严格还有第一段提到的都可以得出这个结论；B 选项，根据文后一段，学生们在教室中花费的时间可以推出来这点；C 选项，这点文章没有谈到过；D 选项，从第五段可以可出这一点来。

The results show that molecules of PEO〓 have priority to locate at the interface of PVF〓/PVC to reforce their interaction when content of PEOx was less than saturated concentration in the interface , and PEOx joined into the PVF〓 phase and /or the PVC phase; the particles size of dispersed phase, PVC, became larger when C was more than Cs; the blend became miscible when C was much more than Cs.

结果表明，aPS与sPS的非晶区相容，共混物中不存在aPS的独立相区；共混物的熔点及长周期不随共混物aPS含量的变化而有所改变；sPS的纤晶结构单元没有变化，共混物结晶度下降，aPS处于sPS的纤晶之间；sPS为α-晶型，其晶胞结构参数在共混前后不变，aPS没有进入到sPS的晶胞中。

There is no rule as to how long a tourniquet may be safely inflated. The time may vary with the age of the patient and the vascular supply of the extremity. In an average healthy adult under 50 years of age, we prefer to leave the tourniquet inflated for no more than 2 hours. If an operation on the lower extremity takes longer than 2 hours, it is better to finish it as rapidly as possible than to deflate the tourniquet for 10 minutes and then reinflate it.

目前还无法证实止血带使用多长时间是安全的，这个时限可能因患者的年龄及肢体的血供而异。50岁以下的健康成人，我们一般掌握止血带的单次使用时限不超过2小时，如果下肢的手术需要2小时以上时，应设法尽快完成手术，这比松开止血带10分钟后，再次将止血带充气更好。

There is no rule as to how long a tourniquet may be safely inflated. The time may ary with the age of the patient and the ascular supply of the extremity. In an aerage healthy adult under 50 years of age, we prefer to leae the tourniquet inflated for no more than 2 hours. If an operation on the lower extremity takes longer than 2 hours, it is better to finish it as rapidly as possible than to deflate the tourniquet for 10 minutes and then reinflate it.

目前还无法证实止血带使用多长时间是安全的，这个时限可能因患者的年龄及肢体的血供而异。50岁以下的健康**，我们一般掌握止血带的单次使用时限不超过2小时，如果下肢的手术需要2小时以上时，应设法尽快完成手术，这比松开止血带10分钟后，再次将止血带充气更好。

Results:The levels of CD4+T cells in active and remissive SLE were significant lower than normal controls; the positive rate of CD4+CD25+T cells in both active and remissive SLE was higher than that in normal controls; the levels of IL10 in active stage of SLE were significant higher than in remissive stage of SLE or in normal controls.

结果：活动性和非活动性SLE 患者CD4+T细胞总数均低于正常对照者；活动性和非活动性SLE患者CD4+CD25+T细胞阳性率高于正常对照者；活动性SLE患者IL10浓度显著高于非活动性SLE患者和正常对照者。

Results The level of antibodies against monocytes (34.94%) were higher than that of the antibodies against lymphocytes (26.67%) in pretransplant patients. The level of antibodies in first time transplant patients (32.5%) was lower than that of antibodies in retransplant patients (59.7%). The patients with intensity of antibodies against monocytes PRA more than ≥50% only accounted for 1.87%, 10%＜ MPRA ＜50% for 17.62% and MPRA ＜10% 15.44%,respectively.

结果 肾移植术前患者的抗单核细胞抗体水平较抗淋巴细胞抗体水平高，其百分比分别为34.94%和26.67%；而从患者初次和再次肾移植前的比较中可见，初次比再次产生的抗单核细胞抗体水平要低，其百分比分别为32.05%和59.7%；对于抗单核细胞抗体群体反应性抗体的强度，MPRA≥50%的只占1.87%，而50%＜MPRA＞10%以及MPRA＜10%的分别占17.62%和15.44%。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。