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The entanglements of the methylene groups adjacent to the CO and NH groups, are less pronounced owning to the formation of interchain hydrogen bonds.

与CO和NH基团相连的亚甲基基团的缠绵结不很明显，主要是因为尼龙6链间氢键的存在。

Methods: To divide 102 patients with elderly hypertensive into 3 groups according to the difference of blood pressure result, and compare the relationship between serum uric acid and blood pressure among the different groups. They were divided into normal group、intimae tricking group、plaque shaping group and vascular stenosis group accoraing to ultrasound result. To compare the serum uric acid level and blood pressure among each group.

将102例老年高血压患者按血压值的不同分为三组，比较各组间血尿酸与血压的相关性，对各例患者分别检测血生化指标：空腹血糖、血尿酸、甘油三脂和总胆固醇，B超观察颈动脉变化，按B超结果将患者分为内膜正常组、内膜增厚组、斑块形成组和管腔狭窄组，比较各组间血压、血尿酸水平。

The positive expression rates of Tissue Inhibitors of Metalloproteinase-2 protein in the cases of involuting groups were significantly higher than those in proliferating group and vascular malformation groups and normal skin group (P.05). Its difference was significant. Conclusions: Matrix MetallProtinase-2 and Tissue Inhibitors of Metalloproteinase-2 may play an important role in the pathogenesis of hemangiomas through angiogenesis. They may have no effect on vascular malformation and normal skin

血管瘤退化期，TIMP-2表达明显升高，说明 TIMP-2与血管瘤纤维化、消退有关，其机制可能是一方面通过抑制MMP-2介导的基底膜降解而在内皮细胞迁移、聚集中起作用，另一方面直接抑制内皮细胞的增殖及迁移，使内皮细胞高频率调亡，细胞外基质增多，组织出现纤维化，最终导致血管瘤的退化。2、血管畸形和正常皮肤小血管中MMP-2和TIMP-2不表达或表达较弱，说明血管畸形和正常皮肤小血管中并不存在异常的血管生成，据此可以对血管性疾病进行分型、分期，并指导临床治疗。

These were attributed to the ion interactions resulting from the acid groups of ionomer and the vinylpyridine groups of PSVP.

这是由于体系中的酸基及其盐和含氮碱基的引入，在共混组分间产生了强烈的离子相互作用，从而导致分子间的缔合，使比浓粘度提高。

Jawboning is directly to the limit in residential prices below market rates, the surface, the government has not completed the money to consumers, but buyers have actually been price subsidies; Jawboning the proportion of the supply should be controlled below 15%, mainly middle-income groups and the face of lower-middle-income groups At present, only some cities trying to jawboning the building, with the greatest intensity of Beijing: 2003 will be launched 15 million square meters.

限价房是直接把住宅售价限制在低于市场水平，表面看起来，政府并没有补钱给消费者，但购房者却实际上得到了价格补贴；限价房所占的供应比重应控制在15%以下，主要面对中等收入群体和中等偏下收入群体，目前只有部分城市在尝试限价房建设，其中以北京的力度最大：三年内将推出1500万平米。

Methods:Nine patients with contraction of Achilles tendon were treated by Ilizarov retractors.The ankle retractors was assembled before surgery and put around leg and foot during the operation.The center of the hinges of the apparatus was pointed to the joint space firstly.Groups of Kirschner pin were penetrated through legs and another two groups through feet and then fixed with the steel rings of the retractors.

用Ilizarov踝关节牵伸器治疗跟腱挛缩9例，手术时先将预先组装好的踝关节牵伸器套在小腿与足部，牵伸器的铰链式关节对准踝关节的关节间隙，在小腿和足部各穿2组克氏针与牵伸器的钢环固定。

Cultivars and landraces were divided into 2 different groups respectively and wild soybeans were divided into 4 different groups.

UPGMA聚类分析结果表明，40份大豆材料聚为6类，育成品种和地方品种各自聚为一类，野生大豆聚为4类。

Results: After three experiments, more than 50% average life-prolonging rate were found in both HuLuZhuan and ShuangGouZhuang groups of high and low doses, the high dose ShangShanHu group and the MengLaoHu and XiaoHongZhuan groups of low dose for the rats with tumor S...

结果：经3次实验，在生命延长率方面：对S180腹水瘤小鼠平均生命延长率超过50%的有葫芦钻、双钩钻高低剂量组，上山虎高剂量组和猛老虎、小红钻低剂量组；对H22腹水瘤小鼠平均生命延长率超过50%的有六方钻和双钩钻高剂量组。

Average linkage between two groups. 9 groups resulted from putting the subgroups together where Proximity

聚类方法为类间平均法， 9个组由相关的亚组在相似性系数为0.538处合并所得 Cluster method was

It suggested the difference in salt tolerance of two groups maybe relate with SSR polymorphic loci on linkage groups between group A and B.

大豆应对盐胁迫的某个相关基因位点可能存在于这些差异区段中。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。