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By observing microstructures , we find they may form spheroidal A ,acicular A and feathery A .

组织观察发现，除形成球状A、针状A外，还形成羽毛状A。

During these years (1997-2000) in the research area of annonaceous acetogenins 5 natural products and a number of chiral-pure analogs of annonaceous acetogenins have been synthesized using sugars as the starting materials. Their high activity and selectivity against cell line of colon tumor and a relationship between activity and configuration have been found too. In the respect of inhibitor of sialidase two new methodologies for the synthesis of chiral-pure 3-deoxy-ulosonic acid using hetero-Diels-Alder reaction or asymmetric propargylation as the key reaction were developed. On the topic of anti-leukemia marine natural product clavulactone a synthetic method based on the free radical cyclization and starting from sugar has been developed. In other title of PKC inhibited agent sphingosine a new synthetic route with SN2' as the key reaction has also been disclosed.

项目期间（1997-2000）在番荔枝内酯方面从糖出发合成了五个天然产物和一批手性纯的类似物，它们对肠癌细胞有很高的活性和选择性，并与构型有关；在唾液酸酶抑制剂方面发展了二类全新手性纯高碳糖的合成方法－杂原子D－A反应或丙炔基不对称加成为关键的反应；抗白血病海洋天然产物群柱虫内酯方面研究了由糖出发和自由基环化反应的合成方法；对PKC 起抑制作用的鞘氨醇方面也开创了新的合成途径－由糖出发并以SN2'反应为关键反应。

The results show that the present convergence rate of the India plate is 21.8 mm/a with a dipping 8.1°to the north. This is in good agreement with various geologic predictions of 18mm/a in past 2～3 million year implying a stable convergence rate of the India plate in a very long duration.

本文 结果与从地质推断的在过去2～3Ma时期内，印度板块向欧亚大陆俯冲速率平均为18mm/a，有较好的一致性，表明在较长时间内，印度板块向欧亚大陆俯冲的速率仍然是稳定的。

The eighth-day of the tour was Mother's Day, with a planned 117-kilometer ride. The VP Components staff joined the ride from Taitong Cheng Gong. After lunch at a Shihtiping restaurant, the Hualien Giant bike shop owner, cycling friends and the Taiwan national team coach, Tim Ti accompanied A-Team riders at Hualien for part of the journey. It was close to the end of the round-island trip. With no tough roads over the following three days, the A-Team riders described today's route as the final examination of the tour.

在母亲节这一天，A-Team环岛活动也进入了第八天，在鋐光公司员工的陪骑下，由台东成功出发，中午在石梯坪用餐后，则由花莲捷安特的店老板、车友们和自由车教练狄懋昌接手陪骑至花莲市，全长117公里；由於环岛行程已近尾声，且后面三天已没有困难的路段，因此会长将本日行程形容为A-Team环岛车队成员们的期末考。

The matrix extension problem is, under some constrained conditions, constructing a matrix A with a given matrix A_0 as its submatrix.

矩阵扩充问题是在某种约束条件下构造矩阵A，使得矩阵A的一个子矩阵为A_0.1979年，H。

In this note the author showed that if s is nonnegative integer and A∈B n,n+s, then |R|=2 n if and only if A contains a submatrix which is permutation equivalent to the unit matrix of order n.

作者证明：如果s是一个非负整数且A ∈Bn ，n+s，那么｜R ｜=2 n 当且仅当A含有置换等价于n阶单位矩阵的一个子阵

For example, the module name A.B designates a submodule named "B" in a package named "A".

例如，名为 A.B 的模块表示了名为"B"的包中名为"A"的子模块。

Methods CHD patients were proved by coronary arteriongraphy. 64 patients with type 2 diabetes in combination with CHD were enrolled in group A and 98 patients with simple CHD served as group B. Patients of group A were subdivided into 3 groups based on scalar of the stenotic coronary artery, viz 1 rarnus, 2 rami and 3 rami affection groups, and urinary albumin level was determined. In group A, age, course of DM, BMI, BP, BS, GHbA1c, blood-fat, UAL serving as iv, and affection sum and stenosis index serving as dv, ran polynary gradual regressive analysis.

随机选取经冠状动脉造影确诊的冠心病患者，其中2型糖尿病合并冠心病患者64例为A组，单纯冠心病患者98例为B组，比较两组患者的临床资料和冠状动脉病变情况。A组患者根据冠脉病变支数分为3个亚组，即l支、2支、3支病变组，比较亚组间的尿白蛋白水平；A组患者以年龄、体质量指数、糖尿病病程、血压、血糖、糖化血红蛋白、血脂、尿白蛋白为自变量，分别以病变数、冠脉狭窄指数为因变量进行多元逐步回归分析。

The extent of inhibition of depolarization by superfusion of ethanol for 5 minutes was 41.8±3.3 ％(n=17). The addition of 5 nM and 20 nM KT5720 (a selective protein kinase A inhibitor) and 250 μM H9 dihydrochloride (a non-selective protein kinase inhibitor), into the intracellular solution significantly attenuated the inhibitory effects of ethanol.

当分别将5 nM或20 nM KT5720（选择性蛋白质激酶A抑制剂）或250 μM H9 dihydrochoride（非选择性蛋白质激酶抑制剂）置入细胞内液时，乙醇的抑制作用明显被减弱；但乙醇的抑制作用不受到5 nM或20 nM calyculin A（磷酸酶1/2A抑制剂）的影响。

Ethanol inhibition was not affected by 5 nM and 20 nM calyculin A (a phosphatase 1/2A inhibitor). Prior superfusion of 5 nM and 20 nM KT5720 also attenuated ethanol inhibition of NMDA-mediated depolarization. 1 μM and 3 μM chelerythrine, a selective protein kinase C inhibitor or 20 nM calyculin A did not affect ethanol inhibition of NMDA-induced response.

当以表面灌流方式，事先给予5 nM或20 nM KT5720时，同样可以减少乙醇抑制NMDA引发的去极化作用；分别给予1 μM或3 μM chelerythrine或20 nM calyculin A则不会影响乙醇抑制NMDA所引发的反应。

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。