查询词典 stepwise

A CR/polystyrene IPN blend was prepared by stepwise synthesis based on CR and styrene monomer and using divinyl benzene as crosslinking agent of PS.

以CR和苯乙烯单体为原料，二乙烯基苯为苯乙烯的交联剂，采用分步合成法制备CR/聚苯乙烯互穿网络共混物。

An integral r egression model is established on the descriptive statistics,correlation analys is and stepwise regression statistical analysis to study the world's top tennis Men's singles game technical's which lead to their victory. The study shows tha t the technical indicators correlated to the score are 2nd se rve points won, break points saved , return games won, 1st serve percentage , 1st return points won, 1st serve points won.

研究表明：与积分相关性相对较高的技术指标其相关性从大到小依次是：二发得分率、挽救破发点成功率、接发球胜局率、一发成功率、接一发得分率、一发得分率；影响世界顶级网球男子单打比赛的三个关键制胜技术因素是：二发得分率、接发球局胜率、挽救破发点成功率。

Ea for the concerted mechanism was 167.24 kJ/mol, while it was 155.20 kJ/mol for the formation of ethoxide intermediate in the stepwise mechanism.

比较苯与乙醇和乙烯发生烷基化反应的机理可以看出，二者作为烷基化试剂对烷基化反应性能影响不大。

The Ea for the formation of ethoxide intermediate was 170.34 kJ/mol. Alkylation of benzene with ethylene occurred through both concerted mechanism and stepwise mechanism, and they were competitive to each other. These two paths were only slightly different in the activation energy.

而乙烯作为烷基化剂与苯反应时同时存在联合机理和分步机理，且二者之间存在一定程度的竞争，其中联合机理的活化能为167.24 kJ/mol，分步机理速控步骤的活化能为155.20 kJ/mol。

For the stepwise mechanism, the ethylene molecule was firstly adsorbed at the Brnsted acid site via π-hydrogen bonding to form a stable complex, which then went through the protonation, leading to the formation of the ethoxide intermediate. Furthermore, the ethoxide reacted with the second ethylene molecule to form the butoxide product.

对于分步反应机理，乙烯分子首先通过π-氢键作用在酸性位形成稳定的吸附络合物，再进一步发生质子化并生成乙醇盐中间体，随后乙醇盐与第二个乙烯分子发生碳－碳键结合形成丁醇盐产物。

The pharmacologic data and chemical data were analyzed by stepwise regression analysis and 16 characteristic chemical variates were extracted, the quality of Evodia samples were graded in a series of four according to both sets of the pharmacologic data. A quality grading assessment scheme of Evodia samples by chemical ANN pattern recognition was then proposed and the results was satisfying.

依据药理实验结果将样品的质量分为优级品、一级品、合格品、劣品四个等级，对药理数据和化学数据进行逐步回归分析，选取16个有效化学特征变量，用人工神经网络方法建立起可对吴茱萸样品进行质量分级评价和定量预测药效的模型，其结果令人满意。

The influences of time to rescue, fasciotomy, and radical debridement on lower leg muscle strength were evaluated by stepwise regression analysis.

采用逐步回归分析法评估营救时间、筋膜切开术和紧急清创术对下肢肌力的影响。

Fluorenyl methoxy carbonylsolid-phase synthesis of Fusukang was studied firstly,including stepwise solid-phase peptide synthesis and solid-phase convergent synthesis.

研究了36肽扶素康的9-芴甲氧羰基法固相化学合成，包括Fmoc固相逐步化学合成和Fmoc固相片断缩合化学合成。

The multivariate logistic stepwise regression analysis showed that compared with individuals with no drinking milk,or no fish and aquatic product intake,or no drinking tea,or no sucrose intakes,the milk intakes 250-1500 g/week(OR=0.731,95%CI:0.542-0.987),the fish and aquatic product intake with 250-1000 g/week(OR=0.720,95%CI: 0.541-0.959),or sucrose intakes 250 g/month(OR=0.446,95%CI:0.255-0.779),drinking tea forepassed(OR=0.635,95%CI:0.458-0.883),and current (OR=2.084,95%CI:1.390-3.125) had different levels of risk on MS.

Logistic逐步回归分析结果提示，牛奶摄入、水产品摄入和饮茶是代谢综合征的保护因素，而年龄和糖摄入是代谢综合征的危险因素，其中牛奶摄入在250～1500 g/周(OR=0.731，95% CI=0.542～0.987)，水产品摄入在250～1000 g/周(OR=0.720，95% CI=0.541～0.959)以及以前饮茶（OR=0.446，95% CI=0.255～0.779和现在正在饮茶(OR=0.635，95% CI=0.458～0.883)，对代谢综合征的保护作用明显，而糖摄入250 g/月时代谢综合征的患病的危险是不食用食糖的2倍(OR=2.084，95% CI=1.390～3.125)。

objective to explore environment risk factors of metabolic syndrome.methods a cross-sectional population survey with questionnaires investigation,checkup and laboratory measurement for metabolic syndrome was performed among 2026 teachers,and the logistic regression was used to analyze the risk factors of ms.results the education,milk intakes,fish and aquatic products intakes,body exercise and drinking tea were different significantly between male and female individuals.univariate unconditional logistic regression analysis showed that education,body exercises,fish and aquatic products intakes and drinking tea were benefited to the ms,but the age,sucrose intakes were the risk factors to the ms.the multivariate logistic stepwise regression analysis showed that compared with individuals with no drinking milk,or no fish and aquatic product intake,or no drinking tea,or no sucrose intakes,the milk intakes 250-1500 g/week(or=0.731,95%ci:0.542-0.987),the fish and aquatic product intake with 250-1000 g/week(or=0.720,95%ci: 0.541-0.959),or sucrose intakes 250 g/month(or=0.446,95%ci:0.255-0.779),drinking tea forepassed(or=0.635,95%ci:0.458-0.883),and current (or=2.084,95%ci:1.390-3.125) had different levels of risk on ms.conclusion the age and sucrose intakes are risk factors,and the milk intakes,aquatic products and drinking tea benefits for ms.

目的 了解中小学教师代谢综合征发病及其影响因素。方法采用横断面调查方法，随机抽取芜湖市中小学教师2 026名，进行问卷调查、体格检查和实验室检测，并运用logistic回归分析代谢综合征影响因素。结果不同性别的中小学教师在受教育程度、牛奶摄入、水产品摄入和饮茶习惯等方面的差异有统计学意义；其中受教育程度、体育锻炼、水产品摄入和饮茶是保护因素，而年龄、工作紧张程度、糖的摄入可能是代谢综合征的危险因素。logistic逐步回归分析结果提示，牛奶摄入、水产品摄入和饮茶是代谢综合征的保护因素，而年龄和糖摄入是代谢综合征的危险因素，其中牛奶摄入在250～1500 g/周(or=0.731，95% ci=0.542～0.987)，水产品摄入在250～1000 g/周(or=0.720，95% ci=0.541～0.959)以及以前饮茶（or=0.446，95% ci=0.255～0.779和现在正在饮茶(or=0.635，95% ci=0.458～0.883)，对代谢综合征的保护作用明显，而糖摄入250 g/月时代谢综合征的患病的危险是不食用食糖的2倍(or=2.084，95% ci=1.390～3.125)。结论年龄和糖摄入是代谢综合征患病的危险因素，而牛奶、水产品和饮茶是代谢综合征的保护因素。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"