球化

The effects of high-energy ball milling Including the fining and mechanochemical on the carbothermal reduction nitridation of alumine were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

In joins in the cobaltous acetate resultant besides nano-carbonball, has tubular of matter the minority head harness metal. Adds response the formic acid nickel to be possible to obtain the particle size comparatively greatly to have the carbon-encapsulated. The Co3B obtained resultant shape not to be more irregular also to have the carbon-encapsulated.

当加入醋酸钴反应时，产物中除奈米碳球外，还具有少数头戴金属钴之管状物质；而加甲酸镍时，则可得到较大粒径具有包覆现象之奈米碳球；然而加入硼化钴所得反应产物形状较不规则且具有包覆之奈米颗粒。

Using single oocyst infected techniques, three strains of Eimeria tenella, PT0705, FQ0709 and LJ0711, were obtained from classically symptomic coccidian chicken in Putian, Fuqing and Lianjiang Couties, Fujian Province. In order to compare their toxicity against chicken, healthy chicken of 14th-day and 21th-day were artificially infected with 1×104, 5×104 and 10×104 coccidian oocysts of PT0705, FQ0709 and LJ0711, respectively. The results showed that the strain PT0705 was the most toxic to tested chicken based on the clinical symptom, survival rate, weight increment and lesion grade investigations.

采用单卵囊分离技术，从福建省莆田市、福清市和连江县等地鸡场采集的病鸡盲肠内容物样品中，分离获得3株(PT0705、FQ0709、LJ0711)柔嫩艾美耳球虫纯种；为比较这三种虫株对雏鸡的毒性，分别用1×104、5×104和10×104个孢子化卵囊的剂量感染14日龄和21日龄健康无球虫感染雏鸡，通过临床表现、死亡率、增重情况、病变计分等指标比较，发现PT0705虫株呈现最强毒性。

By considering the effect of different binders,basicity,reduction temperature and time on the compression strength and dezinc degree after reducing,find out the best scheme A1B3C3D3 and get the metallic pellets with higher compression strength and dezinc degree .

通过研究不同粘结剂、碱度、还原温度和还原时间对熟球抗压强度、脱锌率的影响，找出最佳试验方案为A1B3C3D3，得到脱锌率和抗压强度较高的金属化球团。

Objective To study the relationship of endangium proliferation and the expression of metalloproteinases and tissue inhibitors of metalloproteinases after angioplasty of iliac artery in rabbits to investigate the probable mechanism of composite Danshen pill in prevention and treatment of restenosisMethods 30 white male rabbits of Japan （the average body weight was 25～30 kg）were randomly divided into 3 groups:normal control group,model group (intima destroyed by balloon and given hypercholesterol diet),CDP group (intima destroyed by balloon and given hypercholesterol diet plus drug CDP 150 mg/d),10 ones each groupResults The results of iliac artery angiogram and the analysis of pathology:there were lumens stenosis,thinner intima,smaller intima area,in CDP group compared with those in model group,and ratio of intima and tunica media thickness and area among each group (P＜001)Immunohistochemistry analysis:the MMP2,MMP9,TIMP1,TIMP2 in model group significantly increased than those in control group (P＜001)The CDP group had lower MMP2 and MMP9 expression,higher TIMP1 and TIMP2 expression,and increased MMP2/TIMP1,MMP9/TIMP2 than model group (P＜001)The thickening of vascular neointima and stenosis degree of vascular lumen were relevant to MMP2 and MMP9 (r=0896,P＜001)Conclusions MMP and TIMP play the very important role in the restenosis process of arteryCDP could inhibit the thickness of vascular neointima after balloon injury,the probable mechanism of which may be inhibiting collagen formation,smooth muscle immigration and decreasing hyperplasia of intima by interfering expression of MMPs and TIMPs

目的 研究兔髂动脉成形术后血管内膜增生和基质金属蛋白酶及其抑制物表达之间的关系，探讨复方丹参滴丸预防再狭窄的可能机制。方法健康成年二级雄性日本大耳白兔30只，平均体重25～30 kg。随机分为3组：正常对照组10只，模型组10只（球囊内膜剥脱加高胆固醇饮食），治疗组10只（球囊内膜剥脱加高胆固醇饮食以及复方丹参滴丸150 mg/d）。结果兔髂动脉造影、血管病理图像分析检测结果：①复方丹参滴丸组较模型组血管造影示管腔直径狭窄、内膜厚度减少、内膜面积减少、内膜厚度和中膜厚度比、面积比，各组之间有显著性差异(P＜001)。②免疫组化分析：模型组MMP2、MMP9、TIMP1、TIMP2表达均高于对照组（P＜001）；复方丹参滴丸组MMP2、MMP9的表达低于模型组，而TIMP1、TIMP2的表达高于模型组；TIMP1/MMP2、TIMP2/MMP9明显增加，差异有显著性（P＜001）。③内膜的增生以及管腔的狭窄程度与MMP2、MMP9有很好的相关性(r=0896，P＜001)。结论 MMP和TIMP在再狭窄形成中起重要作用；复方丹参滴丸能够明显抑制血管损伤后的内膜增生，可能的机制是通过影响金属蛋白酶MMP2、MMP9及其抑制物TIMP1、TIMP2的表达从而抑制胶原的生成、平滑肌的迁移、增生，而减少内膜的增生。

The XRD studies show obvious diffraction peaks associated with graphitic carbon and Co metal. Co particles in the composite are stable even at 2500℃ in inert atmosphere .

复合微球的 X 衍射图显示出明显的石墨碳和金属钴的衍射峰，2500℃石墨化后，复合微球中的钴仍能稳定存在。

The used catalyzer is in as-cast or hydrogenization state and is prepared by mixing magnesium metal and Ti-V based alloy for catalyzer together and then ball-milling the mixture for 0.5-5 hours under hydrogen atmosphere of 1-50 atmosphere pressures.

所使用的催化剂为铸态或氢化态；制备的方法是将镁金属与作为催化剂Ti-V基合金混合后，在氢气氛下球磨0.5-5小时，球磨时所用的氢压为1-50大气压。

The effects of high-energy ball milling including the fining and mechanochemical on the carbothermal reduction nitridation of alumina were investigated.

研究了高能球磨氧化铝的细化和机械力化学作用及球磨对碳热还原反应合成氮化铝的影响。

Analysis of mitochondrial DNA composition of the panda-rabit cloned embryos found that mitochondria from both panda somatic cells and rabbit ooplasm co-existed in early blastocyst, but mitochondria from rabbit ooplasm decreased and those from panda donor cells dominated in early fetuses after implantation.

结果显示，应用卵裂球电融合方法可以制作一系列的多倍体胚胎；小鼠囊胚的形成与胚胎中的细胞数目无直接关系，卵裂球的电融合和染色体数目的增加不会改变胚胎的发育进程；而胚胎细胞中的核／质比可能是控制胚胎囊胚化的一个重要因素。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。