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The proliferation effect of eight extracts of four Urtica plants on clone MC3T3-E1 cells was examined with cell counting kit-8 (CCK-8) and alkaline phosphatase activity was also determined.

结果三角叶荨麻根的醇提物，宽叶荨麻全*的醇提物和醇提物水层过D101大孔树脂40%洗脱部分在50到200 μg/ml 的浓度下能显著促进成骨样细胞MC3T3-E1增殖。

Objective: To study expression of matrix metalloproteinase-9 (MMP-9), vascular endothelial growth factor and phosphatase and tensin homolog deleted from chromosome 10 in breast cancer and evaluate its significance to clinicopathology of this tumor invasion and metastasis.

目的：研究基质金属蛋白酶-9(MMP-9)，血管内皮生长因子和PTEN在乳腺癌中的表达，从而探讨它们在乳腺癌发生发展过程中的临床意义。

Objective To investigate the mutation and expression of tumor suppression gene phosphatase and tensin homolog deleted on chromosome ten in patients with nasopharyngeal carcinoma.

目的 探讨抑癌基因PTEN在鼻咽癌细胞株及组织中的基因突变和蛋白表达缺失情况。

Objective: To investigate the role of phosphatase and tensin homolog deleted on chromosome 10 in regulating proliferation of airway smooth muscle cells in ovalbumin-induced asthma rats.

目的：探讨哮喘大鼠肺组织中PTEN表达的变化及其在气道平滑肌细胞增生中的作用。

Objective: To study expression of matrix metalloproteinase 9 (MMP 9), and phosphatase and tensin homolog deleted from chromosome 10 in breast cancer and evaluate its significance to clinicopathology of this tumor invasion and metastasis.

目的： 探讨基质金属蛋白酶 9（MMP 9）和PTEN在乳腺癌中的表达及其临床意义。

Objective To detect and analysis epidermal growth factor receptor and phosphatase and tensin homolog deleted on chromosome ten in different malignancy brain tumors, and to evaluate their prognostic significance.

目的 探讨表皮生长因子受体和抑癌基因―人10号染色体上缺失的磷酸酶和张力蛋白类似物在常见恶性脑肿瘤中的表达及与脑肿瘤预后的关系。

AIM: To investigate the correlation of phosphatase and tensin homolog deleted on chromosome ten protein expression and clinicopathological features in the precancerous lesions and early gastric cancer, and to explore its clinical implication in early development of gastric cancer.

目的：观察正常胃黏膜、肠上皮化生、异型增生和早期胃癌中抑癌基因PTEN的蛋白表达，探讨PTEN表达在胃癌早期发生过程中的作用。

Ca2+-ATPase and acid phosphatase of fiber in Phyllostachys edulis culms during secondary wall formation were studied. Early, intact double karyotheca remained in fiber nucleus, while nuclear chromatin agglutinated.

利用显微和细胞化学方法，对毛竹茎秆纤维次生壁形成过程中超微结构变化以及ATP酶、Ca2+-ATPase和酸性磷酸酶的超微细胞化学定位进行了研究。

Straw returned to field played a positive role in increasing soil insect communities with the largest contribution, primarily the amounts of individuals and dominant species of macro and meso/micro soil animal, especially Neanuridae and Isotomidae animals individual amounts increased by nearly 10 times.(3) Soil nutrien had a positive correlation with soil bacteria, azotobacter, ammonifying bacteria, cellulose decomposing bacteria and denitrifying bacteria. Straw returned to field could stimulate effective microorganisms growth and population quantity in the soil. The increase of microbe community amount is 15%~44% more than that of CK.(4) Soil nutrien had a positive correlation with soil phosphatase, urease and sucrase activities, and a negative correlation with catalase.

研究发现：(1)长期配施秸秆能提高土壤速效氮、磷、钾含量，平均分别提高15%、48%和22%；(2)配施秸秆对土壤昆虫群落呈正向作用且贡献最大，主要增加了大型、中小型农田土壤动物的个体总数和优势类群数量，尤其是疣跳科和等节跳科动物个体数量增加近10倍；(3)土壤养分与土壤细菌、固氮菌、氨化细菌、纤维分解菌和反硝化细菌呈正相关，秸秆还田激发土壤有益微生物的生长和类群数量，使土壤微生物类群数量比对照增加15%~44%；(4)土壤养分与土壤磷酸酶、脲酶、蔗糖酶活性呈正相关，与过氧化氢酶呈负相关，秸秆还田增强土壤蔗糖酶、磷酸酶和脲酶活性，特别是脲酶和蔗糖酶活性平均提高26.5%。

Allogeneic and syngeneic fresh bone, autolyzed antigen-extracted bone, bone matrix gelatin, demineralized bone matrix were implanted into the muscle pouch of mice, at different times after implantation, the immunological, histological and alkaline phosphatase assay were conducted. The results revealed that all four kinds of allogeneic implants activated specific cellular and humoral immune responses, most notably in fresh bone group, the AAA, BMG and DBM inhibited the proliferation of the lymphocytes in vitro and BMG had the most powerful inhibiting action, allogeneic AAA, BMG and DBM might induce heterotopic osteogenesis in vivo, however, there were obvious difference in ALP and histomorphometry between allografts and isografts.

在小鼠肌肉内植入同种异体或同系新鲜骨、自消化抗原去除骨、骨基质明胶、脱钙骨基质，术后免疫学、碱性磷酸酶、组织学检查发现：4种同种异体植入物均可引发特异性细胞免疫反应和体液免疫反应，其中以新鲜骨移植引发的免疫反应最为显著；自消化抗原去除骨、骨基质明胶、脱钙骨基质在体外具有抑制淋巴细胞增殖的作用，骨基质明胶对淋巴细胞增殖的抑制作用最显著；同种异体与同系4种植入物在体内成骨活性有显著差异；自消化抗原去除骨、骨基质明胶、脱钙骨基质均有异位诱导成骨活性，其中骨基质明胶骨诱导活性最佳。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。