查询词典 negative complex

Positive tensile stress on iron undersurface relaxes to the inner of iron and negative tensile stress on iron undersurface concentrates on the side of iron as the temperature declining, so cracks easily appear at the site where positive and negative tensile stress cross.

在冷却过程中，铸铁下表面的拉应力逐渐向铸铁内部释放；同时，压应力逐渐向铸铁的两侧端面集中。因此在拉应力和压应力的交界处，容易产生裂纹。

Further, the difference of negative refraction associated with uniaxial crystal and with negative index media is discussed.

同时还发现单轴晶体中的能流负折射现象不能实现Pendry在理论上所预言的完美透镜。

The content Of isoalkanes decreased when NiSO_4 was loaded, for supported Ni oxidecould promote the dehydrogenation of the precursors of aromatics by unimolecular reactionwhich did not generate negative hydrogen ions, and the carbonium ions could not obtainsufficient negative hydrogen ions to promote hydrogen transfer reaction.

负载氧化镍以后异构烷烃含量下降，氧化镍可以通过脱氢促进芳构化反应，使正碳离子得不到足够的负氢离子饱和使氢转移反应得到抑制。

Or negative pressure operation may be the system of negative pressure vacuum relief valve which tends to be used.

负压或操作过程中可能会产生负压的系统一般用真空负压安全阀。

Or negative pressure during operation may produce negative pressure systems are typically used vacuum relief valve.

负压或操作过程中可能会产生负压的系统一般用真空负压安全阀。

Or negative pressure during operation may have negative pressure systems generally use vacuum relief valve.

负压或操作过程中可能会产生负压的系统一般用真空负压安全阀。

The effect of variation particle growth rate constants and the gas temperature on the density of the dust particles was investigated. The different forces acting on the nanoparticles and it can also be seen that an increase in nanoparticle size results in a higher negative charge on the nonoparticle's surface was investigated. The distribution of positive, neutral, and negative particle charge were computed.

本论文系统介绍了近年来迅速发展的流体模型，给出气体压力对粒子生长的影响，气体温度对尘粒密度的影响，分析了纳米粒子受力情况和粒子大小与充电量的关系，并且得出粒子浓度和电子温度随时间的变化，以及正离子负离子和电子的浓度在等离子体中的分布。

This paper analyzes the causes for avordance phenomenon to exist points out the negative effects of a voidance phenomenon on foreign language learning if students take it as a learning strategy and puts forward suggestions to eliminate these negative effects .

分析了二语习得中回避现象产生的原因，指出二语学习者把回避当作一种学习策略，对外语学习所产生的消极影响，提出消除不良影响的建议。

Results Positive rate of Amsel was 28%, one step sialidase was 34%, Gram-stain was 30% and amines was 24%. Using Amsel as criterion, the sensitivity of one step sialidase and amines was 92.9% and 71.4%; specificity was 88.9% and 94.4%; positive predictive value was 76.5% and 83.3% negative predictive value was 97% and 89.5%, using Gram-stain method as criterion, the sensitivity of one step sialidase and amines was 93.8% and 66.7%, specificity was 92.1% and 94.3%, positive predictive value was 83.3% and 83.3%, negative predictive value was 97.2% and 86.8% respectively.

Amsel法阳性率28%，组织多胺试验阳性率24%，一步法唾液酸酶活性的检测试验阳性率34%，革兰染色细菌评分法阳性率30%；唾液酸酶活性检测法与Amsel法，革兰染色细菌评分法相比较差异无显著性；组织多胺试验与Amsel法，革兰染色细菌评分法相比较差异无显著性；以Amsel法为标准，一步法唾液酸酶活性检测法和组织多胺试验的灵敏度分别为92.9%和71.4%，特异性分别为88.9%和94.4%，阳性预期值分别为76.5%和83.3%，阴性预期值分别为97.0%和89.5%；以革兰染色细菌评分法为标准，一步法唾液酸酶活性检测法和组织多胺试验的灵敏度分别为93.8%和66.7%，特异性分别为92.1%和94.3%，阳性预期值都为83.3%，阴性预期值分别为97.2%和86.8%。

Result: In blood culture, Pseudomonas aeruginosa accounted for 23.5％ remained in the first place, while Staphylococcus epidermidis fell to the third place. In group 2, Gram negative bacillus accounted for 58.8％ and Gram positive coccus 29.4％. In wound culture, Pseudomonas aeruginosa ranked the top (19.5％) while Staphylococcus aureous fell to the sixth, Gram negative bacillus accounted for 73.5％, Gram positive coccus 22.2％.

结果：两组比较，血培养显示铜绿假单孢菌继续保持第一位，占23.5％，表皮葡萄球菌退居第三位，其中第二组G－杆菌占58.8％，G＋球菌占29.4％；创面培养，铜绿假单孢菌上升至第一位，占19.5％，金黄色葡萄球菌退至第6位，其中第二组G－杆菌占73.5％，G＋球菌占22.2％。5年内重要菌群G－杆菌居首位，近3年常用抗菌药物如头孢他啶等耐药性较前2年明显增加。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。