查询词典 A.N.

If a n-dimensional unoriented cobordism class α_n containing a representative that admits a (Z_2)~k-action with fixed point set of constant codimension r,we may say that α∈is an ideal of the unoricnted cobordism ring MO_*=.

若n维未定向协边类α_n的一个代表元M~n上有不动点集为常余维数r的(Z_2)~k光滑作用，则记α_n∈J_~r.J_~=∑_n≥r_J_(n，k~r是未定向上协边环MO_+=∑_(n≥0)MO_n的理想。

For different polynomials g, if the characteristic polynomial of a n matrix A is irreducible, then we get some theorems to determine matrix equations g =A solvable; if it is reducible, then, to see n-dimension space vectors M over a field F as F-module, we use module theory to determine these equations solvable such that it is simpler and clearer to investigate these questions.

对于不同多项式g，当n阶矩阵A的特征多项式为不可约的，我们给出了矩阵方程g=A有解的判定定理；当A的特征多项式为可约的，把域F上的n维线性空间M作为由A导出的F -模，我们利用模论知识来决定矩阵方程g=A有解性，从而使这一问题变了简单，研究思路更加清晰。

A total of 156 cases MD patient, who had been treated in our hospital from 2004 to 2006 and left the hospital with ideal control level, were at randomly divided into group A (n=80 cases) and group B (n=76 cases). The patients in group A insisted on receiving the guidance of professional nurse for once a month in outpatient department, while the patients in group B had no such guidance.

对2004年至2006年在我院治疗达到理想控制水平出院的156例患者随机分A组（n=78例）和B组（n=78例）。A组坚持每月来门诊接受门诊专职护士教育指导一次，监督患者按医嘱坚持治疗；B组则无进行教育指导。

Firstly, dicyclopentyldichlorosilane, a reaction intermediate, was prepared under the optimal conditions of a reaction pressure range of 1.0-1.2 MPa, a n/n of 1.16, a reaction temperature range of 85-95℃, a catalyst dosage of 1.2 g, an isooctyl alcohol dosage of 2.3 g and a reaction time range of 6-7 h. The conversion of cyclopentene and the yield of DCPDCS were 96.2% and 88.9%, respectively.

首先研究了合成DCPDCS的最佳工艺条件：反应压力1.0~1.2 MPa，n/n= 1.16/1.00，反应温度85~95 C，催化剂用量1.2 g，异辛醇用量2.3 g，反应时间6~7 h，环戊烯转化率可达96%以上，DCPDCS收率可达88%以上。

Methods According to the clinical targets recommended by Asian-Pacific Type 2 Diabetes Policy Group, we calculated the success rates of blood glucose, lipid profile, blood pressure and body mass index of patients who hospitalized in our department for more than one year(group A, n=7356), and compared these results with the corresponding rates calculated based on the earlier database (group B, n=1084). The success rates of metabolic indexes of patients who insisted on hospitalizing monthly (group C, n=1367) were calculated. Besides, the factors influencing disease control were discussed through questionnaire.

按照2002年亚太地区T2DM政策小组推荐的控制目标值，计算内分泌科糖尿病数据库中在库1年以上T2DM患者（A组，n=7356）、建库初期患者（B组，n=1084）以及坚持每月随访患者（C组，n=1367）的血糖、血脂、血压及体质量指数的控制达标率，并进行统计学分析比较；同时抽取其中部分患者进行问卷调查，了解影响患者病情控制的相关因素。

Theoretical analysis and experimental results suggest that its coding accuracy based on a N-sized codebook is comparable with that of the conventional vector quantization with a N���-sized codebook, and much better than multi-stage VQ based on two N-sized codebooks, whereas its computational complexity is much lower than the latter ones.

理论分析和实验结果表明：码书大小为N的线上投影法的编码精度与码书大小为N〓的矢量量化法相当，并且明显优于用两个大小为N的码书构成的两级矢量量化法，而其码书生成和编码的计算复杂度远低于后者。

Theoretical analysis and experimental results suggest that its coding accuracy based on a N-sized code-book of size N N2 is comparable with that of VQ coding based on a N2-sized codebook,and much better than multi-stage VQ based on two codebooks of size N,while its computational complexity is much lower than the latter ones under equivalent accuracy obtained.

理论分析和实验结果表明：码书大小为N的线上投影法的编码精度与码书大小为N2的矢量量化法相当，并且明显优于用两个大小为N的码书构成的两级矢量量化法，而其码书生成和编码过程的计算复杂度均远远低于后者。

Patients in Group A ( n = 48) discontinued intake of antiplateletdrugs for at least 7 days and served as controls, patients inGroup B ( n = 11) received aspirin 100 mg/d and those in GroupC ( n = 11) aspirin 100 mg/d and clopidogrel 75 mg/d until the day before surgery.

A 组患者( n = 48)至少停用抗血小板药7天，作为对照组， B 组患者( n = 11)接受阿司匹林治疗100 mg/天， C 组患者( n = 11)接受阿司匹林治疗100 mg/天及氯吡格雷75 mg/天直到手术前一天。

In this research, liposoluble chlorogenic laurate was synthesized by the acylation with lauroy chloride in the existence of alkali catalyst in non-water phase, and yellowish CGL powders with a yield of 81.24% were obtained under the optimal synthesis conditions determined via single-factor tests and orthogonal experiments, that is, carrying out the acylation at 35℃ for 8h with a n:n: n ratio of 1:1:1.5 and with dimethylformamide as the solvating agent and the thinner.

文中对绿原酸进行了改性，即在碱性催化剂催化的条件下使其与月桂酰氯进行非水相的酯化反应，得到了脂溶性的绿原酸月桂酸酯。经过单因素及正交试验，确定了最佳合成条件为：以N，N-二甲基甲酰胺作为溶解、稀释剂，绿原酸／月桂酰氯／三乙胺的摩尔比为1：1：1.5，温度控制在35℃，反应时间8h。

Methods 107 cases of reflux esophagitis were divided into 3 groups. Scheme A(n=33),domperidone (10 mg po,tid);Scheme B(n=38), Ranitidine bismuth citrate (350 mg,po,bid ) and Scheme C(n=36), omeprazole(40 mg,po,qd) for 4 weeks. Data was evaluated using the pharmacoeconomic costeffectiveness.

将107例返流性食管炎患者随机分为A、B、C三组，A组（n=33）予多潘立酮10 mg，口服，3次/d；B组（n=38）予枸橼酸铋雷尼替丁350 mg，口服，2次/d；C组（n=36）予奥美拉唑40 mg，口服，1次/d，疗程4周。

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。