标准试验

In the experiment, the study on result of measurement of COD by potassium dichromate method has been conducted in the aspect of impact and application scope, proposing the method of measuring low COD in waste water of high chlorine and putting forward new comment on its influence factor.

本试验采用重铬酸钾标准法对COD测定结果的影响程度与适用范围进行了探索，提出了用低浓度重铬酸钾氧化法测定含高氯根废水中低COD的方法，对其影响因素提出新的看法。

More than 50 chemical substances were prelim inarily tested their efficiency to enhance the toxicity of Bacillus thuringiensis against Heliothis armgera.Experiments of bolting synergists and killing insects were conducted in laboratory.

本试验测定了50种化合物包括各种盐类、有机酸、氨基酸和阿维菌素(25ug/ml)等，在添加浓度为0.1％、0.5％和1.0％的剂量下对苏云金杆菌标准品的增效作用。

Criteria for inclusion of treatment trials were randomization and placebo control.

治疗试验入选的标准包括随机选择和安慰剂对照。

PURPOSE: A prospectie randomized trial was undertaken to test the efficacy of low and standard doses of pegylated interferon alpha-2b in combination with ribairin for the initial treatment of chronic hepatitis C.

目的：采用前瞻性随机试验研究低剂量和标准剂量聚乙二醇化干扰素α-2b联合利巴韦林对慢性丙肝的早期治疗的效力。

This paper investigates the reaeration ability of riverway artificial structure and determines the optimum shape of artificial structures, primarily recurring to the laboratory model experiment and field measurement, and uses the curve dam with WES standard profile and rubber dam as investigative objects.

本文主要借助室内模型试验和实地观测对河道人工建筑物的复氧进行研究，并筛选出最佳的人工建筑物形状；具体选取具有WES型标准剖面的曲线型溢流坝和橡胶坝作为研究对象。

Besides The assessment criterion on rectilineal railway, the comfort index N, which is relevant to unbalanced acceleration based on the test result on train running on curve beams, shall also be adopted, on the condition that the transverse stable acceleration is not larger than 0.08g..

列车在曲线桥梁上运行的平稳性除采用直线上的评定标准外，基于国内外曲线上列车运行试验结果，提出同时在横向采用稳态加速度不大于0.08g和未被平衡的加速度相关的舒适度指标N进行评定的建议，并且给出了稳态加速度和未被平衡的加速度的确定方法。

Result Diagnostic criteria:(1) history of injury to the shoulder;(2) sharp pain in the anterior aspect of the shoulder and weakness and limitation of range of motion of the shoulder;(3)the positive apprehension sign and or anterior drawer test;(4)a Hill-Sachs bony lesion on roentgenogram and abnormal double contrast CT.

结果 创伤性肩关节前不稳定的诊断标准为：(1)外伤史；(2)肩前侧痛、无力、关节活动受限和肩周肌肉萎缩；(3)前惧痛征和前抽屉试验阳性；(4)X线片Hill-Sachs骨缺损和气碘双重造影CT异常。

Taking the large-scale roof truss structure engineering of a workshop structure as example, its deflection calculation under unequal load, differentiation standard and test method are introduced and several problems needing attention in test are proposed.

以某厂房实体结构中大型屋架结构工程为例，就其非均布荷载作用下挠度计算理论、判别标准及检验方法进行了介绍，提出了试验中应注意的几个问题。

Adopt orthogonal experimental design to optimize chemical technology of detaching safrole and refining citral from Zhejiang volatile oil;use compacting method to prepare soft capsule and research making craft condition;use gas chromatography to Zhejiang volatile oil, take off poisonous oil an...

采用正交试验设计对用化学法从者姜挥发油中除去黄樟醚及精制柠檬醛进行工艺优选；采用压制法制备软胶囊，研究制备工艺条件；用气相色谱法对者姜挥发油、脱毒油和者姜心脑康软胶囊进行质量控制，建立质量标准。

Further, considered the considerable uncertainty of current sample variance, a reliability estimation method based on t-distribution theory and empirical logarithmic standard deviation is proposed.

进一步考虑到工程实际中当次可靠性试验的样本方差具有较大不确定性的因素，提出了基于对数标准差经验值的t分布可靠性评估方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。