前后的例句大全

The shape changes of cortical cell of yak hair fiber have been analyzed before and after stretching slenderization by means of ultrasonic separation.

借助超声分离技术，对细化前后牦牛纤维皮质细胞形态的变化进行分析，发现纤维皮质细胞被拉长变细且不发生细胞间的滑移。

The crystalline indices of kaolin was found unchanged after the adsorption of PSSNa.

吸附前后高岭土晶格参数不变。

The correlation and differences between the paired data were analyzed for their statistical significance.

分析前后二次问卷配对数据的相关性和差异显著性。

Time-varying Parameters Estimation Method Based on Forward and Backward Linear Prediction

基于前后向线性预测的时变参数估计方法研究

On this basis the cracked position and inclination of the main roof are determined. The Influence of the Fracture of the Main Roof On the Mining Ground Pressure

从中分析和确定了老顶在回采过程中的断裂位置和可能形成的回转角，以及相关的影响因素。老顶断裂前后的矿山压力变化

Observed before and after treatment of traditional Chinese medicine, times the patients indication and menstrual cramps, pregnancy, and so on.

观察治疗前后患者中医主、次证及月经来潮、妊娠等情况。

Comparing the original design, Check the results of Flexural Performance of safety reserves and crack resistance of normal cross section, diagonal cracking performance before and after optimization.

对比原设计验算结果，分析优化前后结构抗弯性能安全储备及正截面抗裂性能、斜截面抗裂性能。

Methods Stool samples from 30 diarrhea patients in burn unit were cultured and separated by aerobic and anaerobic quantitation cultivation, and then identified before and after treatment with Cocktail A lactobacilli preparation. Results of stool culture and identification from healthy people were considered as contrast control.

方法用需氧和厌氧定量培养方法分离并鉴定烧伤病房中30例腹泻患者给予Cocktail A乳酸菌制剂治疗前后肠道中的细菌，并以正常健康体检者的粪便培养鉴定结果作为对照。

METHOD Changes in the paravertebral myoelectric activity in 30 teenagers with specific lateral curvature were recorded before and after the electric acupuncture treatment.

方法运用针电极记录3组30例青少年特发性脊柱侧弯症治疗前后椎旁肌肌电的变化。

Methods A total of 120 patients with cervical cyst received microwave.

方法：应用超声检查对微波治疗120例宫颈管囊肿前后的效果进行对比分析。

The bactericidal agent to prepare aqueous solution, content in water samples by SRB, TGB, FB before and after adding bactericide determination, the sterilization rate was calculated by adopting the dilution method.

将杀菌剂配制成水溶液，测定添加了杀菌剂前后水样中的硫酸盐还原菌、铁细菌和腐生菌的含量，用绝迹稀释法计算杀菌率，对杀菌剂的杀菌效果及其性能进行综合评价。

The study of baroreceptor reflex function before and after bed rest

卧床前后压力感受性反射机能变化的研究

The Evaluation of Curative Effects of Combining Anterior and Posterior Approach Treatment on Basilar Invagination

联合前后路治疗颅底凹陷症的疗效评价

Objective: To observe the effects of combining anterior and posterior approach treatment on basilar invagination and explore its relationship with age and typing.

目的：观察联合前后路治疗颅底凹陷症的疗效，探讨其与年龄、分型的关系。

Objective: Searching for the influence on blood β recipient of asthma patients treated by Chinese herbal transcutan therapy ( CHTT).

目的探索中药透皮治疗前后对哮喘病人β受体的影响。

Use physiologic and biochemical index to discuss induced resistance mechanism.

通过处理前后烟草生理生化指标来探讨诱导抗性机理。

Effectiveness of changes of blood biochemical index of diabetes after intervention

糖尿病患者血生化指标干预前后效果研究

The univariate analysis showed that the significant influencing factors were types of biopsy forceps, degree of bile ducts dilation, length of obstructive segment, lesion invasion and balloon dilation ( P < 0.05).

单因素分析得出活检钳类型、肝内二级胆管的扩张程度、阻塞段长度、球囊扩张前后活检和胆管壁浸润对PTC胆道活检敏感性有影响（P<0.05）。

And the black dragon hill forest birch in young and middle aged forest harvesting and forest stand growth and structure were analyzed, mainly including: the average diameter of stand diameter structure, accumulation, spatial structure, etc..

并对黑龙山林场白桦中幼龄林采伐前后林分生长和结构差异进行分析，主要包括：林分平均直径、蓄积、直径结构、空间结构等。

A study on the drying properties of white birch before and after urea modification

白桦材尿素改性前后干燥特性的研究