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objective to investigate the inhibition mechanism of nanoapatite on the human hepatocelluar carcinoma.methods stable and single-dispersed nanoapatite were synthesized with sol-gel method.nanoapatite were surveyed by zataplus and tem.their effect on the bel-7402human hepatoma cell lines was investigated by the mtt methods,and the mechanism was studied from changes in ultrastructure.results the result showed that inhibition of nanoapatite on the bel-7402human hepatocellular carcinoma cell lines was presended obviously in vitro.conclusion nanoapatite entered into cancer cytoplasm,and cancer cells result in oncosis.

目的 探讨纳米磷灰石的抑癌机制。方法利用sol-gel法制备出稳定单分散的纳米磷灰石体系，应用粒径电位仪和透射电镜对纳米磷灰石进行表征；采用mtt比色法研究纳米磷灰石对细胞系bel-7402人肝癌细胞的作用；从超微结构的改变研究其作用机制。结果实验结果表明，纳米磷灰石在体外对bel-7402人肝癌细胞具有明显的抑制作用。结论通过进入到癌细胞内，导致癌细胞胀亡。

We found out one kind of new orange-red long afterglow material La2O2S: Eu3+, Mg, Zr.2 In the phosphor Gd2O2S, Mg, Ti which was prepared by high-temperature solid-state method, the orange afterglow phenomenon can be seen after illuminated with UV light.3 Using the high-temperature solid-state method, Gadolinium oxysulfide phosphors doped with rare earth ions were synthesized. We can observe the red or orange phosphorescence in Gd2O2S doped with Eu3+, Sm3+, Tm3+, Yb3+, Dy3+, Er3+, Nd3+or Ho3+. This is a new result of the long afterglow phosphors research.4 Using the microwave radiation method, the new Sm3+ doped gadolinium oxysulfide phosphor, which has the orange-red long afterglow emission after illuminated with UV light or visible light, was synthesized for the first time.5 In fluorescent materials YOX doped with europium ions, the long afterglow phenomenon wasnt observed but the blue luminescence of Eu2+ and red luminescence of Eu3+ are simultaneously examined. This is a new result of the valence stability and change of Eu2+ in yttrium oxyhalide .We systematically studied the effects of the host, addition agents and reaction atmosphere on the valence change and fluorescence property of europium ions.

经过系统的研究总结得到以下的结论与成果： 1采用高温固相反应法合成了一系列稀土离子掺杂的硫氧化镧发光粉，发现了该体系中Eu~(3+)的长余辉发光，从而得到一种迄今未见文献报道的红色长余辉发光材料：La_2O_2S：Eu~(3+)，Mg，Zr； 2在Gd_2O_2S，Mg，Ti磷光粉中观察到橙色的长余辉发光现象； 3采用高温固相反应法合成了一系列稀土离子掺杂的硫氧化钆磷光粉，在掺杂Eu~(3+)、Sm~(3+)、Tm~(3+)、Yb~(3+)、Dy~(3+)、Er~(3+)、Nd~(3+)、Ho~(3+)的Gd_2O_2S中观察到红色和橙色长余辉发光； 4首次采用微波法合成了Gd_2O_2S：Sm~(3+)，Mg，Ti磷光粉，该磷光粉经紫外或可见光激发后呈现明显的橙红色长余辉发光； 5在YOX中同时观察到Eu~(2+)和Eu~(3+)的发射，系统研究了基质、添加剂及反应气氛对Eu价态和发光的影响。

The contents of mineral elements, like Fe, in LMTCMs were higher than that of nor-LMTCM. The result of analysis of mineral element of 14 LMTCMs by ICP-MS method also showed the content of Fe have something to do with lung meridian tropism effects. The result of the study of platycodon radix approved the laws too. These laws were used to predict if the marine medicines have the lung meridian tropism effects.2. The Compatibility laws of Medicines and their chemical composition in LSP were studied by mining the data of the constituent herbs and their chemical composition. The results showed that the most constituent medicines of lung system prescriptions have lung meridian tropism. Radix glycyrrhizae, herba ephedrae, semen armeniacae amarum, fructus schisandrae Chinese and their compatibility are common in lung system prescriptions. Terpene, alkaloid, steroid, and flavanoid compounds and their compatibility are common in lung system prescriptions.3. The marine phycophyta medicines of LSP were studied by the same method.

对比归肺经中药及肺系方剂主要化学成分构成，萜类、生物碱、甾体类成分可能是归肺经中药及肺系方剂的主要药效成分；结合君臣佐使药的化学成分构成特点及肺系方剂组成中药的归经构成情况，肺系方剂组方设计应该考虑以下几个方面：一、优先考虑归肺经中药，在应用不归肺经中药时要配伍归肺经中药；二、组方时应考虑含萜类、甾体及生物碱类化合物的中药；治疗肺咳病及咳嗽症状时可以考虑含萜类化合物的中药，治疗气喘症状时可以考虑含生物碱类化合物的中药；三、在确定组方中药或化学成分配伍关系时，君药多考虑含生物碱、黄酮类化合物的中药；臣药、佐药可以考虑含萜类及甾体类化合物中药；使药可以考虑含萜类、甾体类及黄酮类化合物的中药。

Result: Porosis and inflammatory cell infiltration in the spinal cord, rupture of muscle bundles, hypertrophia and over growth of muscle cells and collagens, and inflammatory cell infiltration in the bladder wall could been seen under HE dyeing. Nissal dyeing showed the decrease of neurons at the injured segment, upper and lower segments of the spinal cord. Result of immunohistochemistry showed there were caspase-3 positive expression in all the segments. The injured spinal cord and bladder expressed significantly more caspase-3 positive results (P.0l), upper and lower segments were lower than the injured segments (P.01), but higher than the control team (P.0l).

结果：HE染色发现脊髓损伤后脊髓内空洞形成、炎性细胞浸润等病理学变化，膀胱壁中可见到肌束断裂、肌细胞肥大增生、胶原增生、炎性细胞浸润等病理学改变；Nissal染色显示脊髓损伤后损伤节段及其上、下节段均出现神经元数量的减少；免疫组化结果表明3组均有不同程度的caspase-3表达，损伤组脊髓和膀胱内膜caspase-3表达较正常组显著增加(P.01)，损伤上段及下段caspase-3表达较损伤节段为少(P.01)，但均高于正常对照组(P.01)。

The plait distance method of the programmable preface controller is a course whose fulfillment is very strong with engineering application, exsits to prelect through the years difficult, practice the difficult problem in eldest brother in difficult etc., on the classroom of explain in detail and cant leave the student the fresh and clear but deep impression, the teaching result ignores to think very much, so must look for the new teaching path, increasing teaching result.

可编程序控制器的编程方法与工程应用是一门实践性很强的学科，历年来存在着讲课难、实践难等老大难问题，课堂上的讲解并不能给学生留下鲜明而深刻的印象，教学效果很不理想，所以必须寻找新的教学途径，提高教学效果。

The effect of imposed sterility and culling on the reproductivity and population size of Ratlike hamster in enclosures was studied by using surgical operation. This study aims to testify two modeling predictions: fertility control can achieve similar result as simple culling, and sterility of both sexes can achieve an extra result in reducing reproductivity of hamsters. The key factors in population regulation of the hamster were also discussed.

本文采用结扎不育的方法研究了不育和&灭杀&对围栏内大仓鼠实验种群繁殖力和数量的作用，主要验证模型的两个预测：不育能够达到灭杀的效果；双性不育优于单性不育，同时探讨了大仓鼠种群调节中的关键因子。

Result The result showed that cutting survival rate of Sarcococca ruscifolia was 92.7% by cutting in the substrate of quartz sand in summer after the base of the branch with leaves immersing in IBA (1000 mg/L) for 60 s.

结果］野扇花扦插以带叶成熟枝经1000mg/L吲哚丁酸浸蘸插穗基部60s后，于夏季扦插于石英沙中成活率最高，为92.7%。

Result: Schwann-like cells disperse in the hole of nerve graft at oneweek under Scanning Electronic Microscope, the processes of thesatellite-like cells adhere to the wall of graft.There was no statisticaldifference of activity of cells in both group(P＞0.05) using MTT. At 12weeks,the result of appearance, histology and TEM were similar, therewere no statistical difference in SFI%, NEP and quantitative analysis ofrecovery rate of myelinated fiber populations, diameter of myelinatedfiber and thickness of myelin sheat.

结果：1w后扫描电镜下可见接种的类Schwann细胞分散在材料表面的孔隙内，细胞形态为星状，细胞突起与支架管壁粘附；MTT法测定细胞活性示神经支架组在各时间点与对照组无显著性差异P＞0.05；12w时两组动物坐骨神经外观、组织学光镜观察、透射电镜观察结果相似、两组坐骨神经功能指数恢复率、神经电生理、再生有髓神经纤维计数恢复率、神经纤维直径恢复率、髓鞘厚度恢复率等指标相比无显著性差异(P＞0.05)。

Provided that no order in writing shall be required for increase or decrease in the quantity of any work where such increase or decrease is not the result of an order given under this Clause, but is the result of the quanti - ties exceeding or being less than those stated in the Bill of Quan - tities.

但不是根据本条项下的给出的命令，而是根据工程数量单所作出的任何工程数量的增加或减少不必要求发包方的书面命令。

Result The patients of posterior urethral stricture using the posterior urethrascope have been followed up for 1 moth to 22 years,clinical results:good in 89cases\general in 23cases\poor in 12cases\failed in 9cases,good rate being 84.2%,succeeding rate being 93.2%;The patients of preceding urthrostenosis using the preceding urethrastenosis cutting knife have been followed up for 16 years,the patients using the urethrastenosis dilator have been followed up for 7moths to 7years,the result is good.

经尿道一次性完成手术操作。结果：应用后尿道狭窄切开器治疗各种不同类型的后尿道狭窄133例，经1月至22年随访，效果优者89例，良者23例，差者12例，失败9例。优良率84.2%，有效率93.2%；前尿道狭窄切开刀治疗前尿道狭窄3例，随访16年，效果良好；系列尿道狭窄扩张器治疗尿道狭窄3例，经7个月至7年随访，效果良好。

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％。