选择性的

Results: In the comparison between phenol red colormetric method and the other methods, the corrlative coefficency was 0.9822 and 0.9813, and the bias was 1.64% and 1.59% at 15～45 mmol/L.

结果 酚红比色法与离子选择性电极法、酶法比较，相关系数分别为0.9822和0.9813，碳酸氢根测定浓度在15～45 mmol/L时的预期相对偏差均值分别为1.64%和1.59%。

The ratio of linear to branched of the aldehyde is not significant influenced by the phosphine concentration.

循环实验中证明该催化体系有较好的稳定性，其催化活性和选择性基本没有变化。

The induction of acylamide group can enhance the stereoselectivity of photochemistry and be used in other chemistry fields.

通过在二苯甲酮上引入酰胺羧酸类活性基团，不仅可以作为光化学前体用于提高光反应的立体选择性，而且还可直接应用于其他化学领域。

Background and Objective The mechanism of tumor tissues selectively uptaking the photosensitizer in photodynamic therapy is still unclear.

背景与目的：肿瘤高选择性摄入光敏剂的原因，即靶向原理至今仍不清楚。

Results Compared high kV X-ray chest film with spiral CT,to simplex silicosis,X-ray films coincided with CT scans;to mixed silicosis,the effect of CT scans were better than X-ray's;to large nodule,coalesced progressive massive fibrosis,the detected ratio of CT scans were higher than X-ray chest films;to silicosis complication,for example,emphysema,pleural thickening,phthisic,mediastinal impairment lympy node etc,CT scans were more reliable than X-ray films,especially HRCT can earlier find silicotic nodule and fine structure of focus.Selective application of CT scan,had great diagnostic value in complicated silicosis and silco-tuberculosis and lung cancer complicated with silicosis etc.

结果 高千伏X线胸片与螺旋CT作对比，结果对单纯矽肺并发肺癌，CT片与X线胸片基本一致；对于复杂矽肺并发肺癌CT优于X线胸片；对于大结节、肺内进行性大块纤维化(progressive massive fibrosis，PMF)融合、空洞及钙化CT检出率明显高出胸片；对矽肺并发肺癌的合并其他如肺气肿、胸膜肥厚、结核、纵隔淋巴受累等CT均较胸片可靠；特别是HRCT能早期发现矽肺肿块样病灶中细微结构，选择性应用CT，对复杂矽肺并发肺癌合并结核等鉴别诊断有很大价值。

Test for the following inventory physical control points and/or understand what alternative control the company has in place.

测试以下存货实物控制点，和/或了解公司替代的选择性控制。

They avoid heavy salt loads through a combination of selective accumulation of ions, ion compartmentalization, salt excretion and salt exclusion, accumulation or synthesis compatible solutes which are mainly pinitol and mannitol for maintaining osmotic balance, and promotion of antioxidative to scavenge reactive oxygen species.

红树植物具有盐腺、叶片肉质化等形态特征，通过离子选择性积累、盐分区域化、泌盐和拒盐等机制降低体内的盐分浓度，积累或合成渗透调节物质来维持渗透平衡，增强抗氧化系统以清除活性氧。

It was one of the world's first modern selective-fire rifles, operating by gas piston.

它是世界上第一个现代化的选择性火步枪之一，由气体活塞运作。

The effects of average potential or a point at infinity used as references on the event- related potentials of spatial selective attention to the right and left visual fields were investigated.

翟义然，尧德中，范思陆，敖新宇，陈霖，在平均参考和无穷远点参考情况下，对左右视野空间选择性注意的ERP反应进行了研究。

Selective Laser Sintering was selected for the process, and a flame-retardant polyamide was the chosen material.

选择性激光烧结被选中的进程，以及阻燃聚酰胺是选择材料。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。