查询词典 arithmetic difference

objective to compare four postoperative nasal packing materials.methods total 136 patients,80 cases with chronic sinus it is and under went endoscopic sinussurgery,were randomly packed using four different hae mostasis materials.in which,paraffin gauze group was 40 cases,rapid sorbalgon group 27 cases,merocel group 36 cases and gel knit group 31 cases.the packing materials wereemoved after left for 24 hours to 48 hours.the efficacy of nasal packing materials was asassessed interm of the levels of nasal pain or headache in the leaving period and nasal bleeding after removal of nasal packing.results the in cidence rate of nasal pain or headache respectively was 82.5% in paraffin gauze group,44.4% in merocel,11.1% in sorbalgon and 3.2% in gel knit.the significant statistical difference was observedbetween the four groups (χ2=70.21,p.01).the incidence rate of nasal bleeding after removed was 85%,11.1%,41.7% and 9.7% respectively.the statistical difference was also significant (χ2=54.28,p.01).conclusions the choosing of postoperative na sal packing after functional endoscopic sinus sur gey depends on various factors,gel knit has much advantages and can be used as routine packs after fess.

摘 要］目的：比较四种鼻腔填塞材料的疗效，指导临床选择合适的术后鼻内填塞物。方法：对134例慢性鼻窦炎分别采用凡士林纱条(40例)、藻酸钙纤维(sorbalgon，27例)、膨胀海绵(merocel，36例)和瑞纳凝胶快速止血材料(gel knit，31例)四种材料填塞鼻腔，24 h～48 h取出填塞物，根据填塞后鼻腔胀痛、头痛程度，取出填塞物后鼻腔出血程度等评价疗效。结果：凡士林纱条填塞组，82.5%有鼻腔胀痛或头痛；sorbalgon藻酸钙纤维组11.1%；merocel组44.4%；gel knit组3.2%，四组比较差异非常显著(χ2=70.21，p.01)。取出填塞物后鼻腔再出血分别为85%，11.1%，41.7%和9.7%，四组比较差异非常显著(χ2=54.28，p.01)。结论：鼻内镜手术时，应综合考虑诸方面因素合理选用术后填塞物。瑞纳优势较为全面，可作为鼻内镜手术的常规填塞材料。

All must have had the same duties to perform, and the same work to do, and there could have been no such difference of employment as could alone give occasion to any great difference of talents.

每个人都必须完成相同的任务，做相同的工作，也就不会有引起巨大才能差异的如此大的职业差异。

There was no difference in CRP between the two groups, and no difference in pre- and post-G-CSF CRP in a subset of 22 granulocyte donors.

两组之间的CRP无差异，而且在22例粒细胞捐助者中亚组中G-CSF应用前后的也CRP没有差异。

Land takes on many important functions in citys progress. In substance, city land value is a result of the difference of land location, and produces different level incomes, So the difference of land location is a standard of ground rent and land-value.

在城市的发展中，城市土地起着多方面的重要作用，从本质来看，城市土地价格是土地区位条件优劣差异的结果，由此产生不同的级差收益，故区位的优劣差异是衡量地租、地价高低的标尺。

The difference of the two modes is adding the secondary coil at the magnet of the closed-loop sensor. The Hall part measure the magnetism voltage difference state of the measured current and the secondary current.

磁补偿式与直测式的区别在于其铁磁体上另加一平衡绕组，霍尔器件仅检测被测电流和平衡绕组中电流在铁磁体中所产生的磁电势的平衡状态。

At present, Chinas main method control classical swine fever is vaccine injection, that artificialactive immunization, As for it is no final conclusion that the difference of domestic CSF immuneeffects with advanced immunization and ordinary routine immunization. And it will take enormousmanpower and resources for farms to take advanced immunization, and there is a possibility of certainanaphylactic response. It is not easy extensive, the immune programme of each hoggery is difference.

目前我国防治猪瘟主要采取注射猪瘟疫苗的人工主动免疫方法，由于国内对猪瘟超前免疫和普通常规免疫两种方法在免疫效果上的差别没有定论，且养殖场采取超前免疫措施需要大量的人力及物力，且存在一定的过敏反应，不容易广泛开展，因此各个养猪场所采取的猪瘟免疫程序各不相同。

The results showed that the positive rates of RNA integrity in grind with liquid nitrogen group and in homogenizer without liquid nitrogen group were 68.42% and 29.79% respectively, and there was significant difference between these two groups; however, there was no statistic difference in positive rate of RNA integrity, OD260/OD280 ratio and 3-actin gene expression level between the drug-induced labor group and non-drug induced labor group.

结果发现，液氮研磨组分离完整RNA的阳性率高於匀浆器处理组，分别为68.42%和29.29%，两组比较有显著性差异；药物引产组及非药物引产组在分离完整RNA阳性率、胚胎组织RNA的OD260/OD280比值和胚胎组织β-actin基因表达量上均无统计学差异。

Hypergamy and hypogamy do not exist in this level. Second, based on the difference in Gross Domestic Production between Taiwan and Russia, one might expect to find attributes of hypergamy due to the economic motivation for an upward move on the international politico-economic structure. However, a nation's economic situation does not equal to that of the individual, nor does the difference between nations apply to that between the conjugal relation.

而在国际政经层次中，从客观的结构性因素衡量嫁娶当时的台俄两国国内生产总额（Gross Domestic Product， GDP）成长率，经济因素或许会产生上嫁之感，但国家整体的经济表现，并不能呈现个体的差异性，国际间的政经排名顺序也不必然等同於个人的阶序关系。

In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme.

本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。

In the two-dimensional simulation, the fully implicit difference scheme is used for the continuity equations to ensure numerical stability; Jacobian iteration is used to solve the difference equations, and only nonzero elements in the coefficient matrixes of these equations are dealt with, which reduce the requirement for memory and shorten the calculation time.

在两维模拟计算中，对连续性方程采用全隐式差分方案以保证数值稳定性；运用雅可比迭代法求解差分方程组，并且在求解过程中，只对差分方程组系数矩阵中的非零元素进行处理，因此减少了对内存的需求量，而且缩短了计算时间。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。