查询词典 absence

Methods Spectrophotometry was used to study the activity of PLAP in the presence and absence of L Leu. PLAP relative activity was calculated according to the absorbance variation.

方法应用分光光度法分别测定有L－Leu和无L－Leu存在下的酶活力，根据其活力变化求出酶的相对活力；用双倒数作图法，确定L－Leu对PLAP的抑制类型并求出其抑制常数；同时也观察了pH对抑制作用的影响。

Which made pleural biopsy in 38 patients (54 biopsy-trips), the absence of biopsy in 14 patients.

其中作过胸膜活检者38例(活检54人次)，未作活检者14例。

There are many com- plex factors which cause the existence of such state.The absence of scien- tific methods is probably the most important of them.

这种状态的存在有许多复杂的原因，科学方法的缺失或许是其中最为重要的方面。

The authors posited that the results might be explained by the absence of certain pneumococcal serotypes from the vaccine.

作者们假定这些结果可能可以以该疫苗没有特定肺炎链球菌血清型来解释。

Our results showed that fertilization tended to promote growth of Poa crymophila only in the absence of clipping.

结果表明：不刈割情况下，施肥显著促进冷地早熟禾的生长，而在刈割情况下，施肥对植物的生长没有明显的促进作用甚至有负作用。

We show that tumors displaying polysomy 17 in the absence of HER2gene amplification resemble more HER-2–negative than HER-2–positive tumors. These findings highlight the need for clinical trials to investigative whether polysomy 17 tumors benefit from HER-2–targeted therapy.

在他看来，若要进一步改进乳腺癌靶向治疗的患者选择和转归，遗传和药理学基础研究、已有研究数据再评价以及肿瘤早期HER2变异研究需要齐头并进。

The importance here is that often a direct repair is not possible, and in the absence of a more complicated injury additionally involving the popliteus tendon and popliteofibular ligament, our previously described anatomic technique19 to address reconstruction of these 3 structures is not indicated.

本研究的重要性在于通过直接修复不可能而无更复杂的损伤包括腘肌腱、腘腓韧带等损伤。我们以前描述的解剖学技术[19]并不是这些结构重建的指征[3]。

In the absence of clear city contours, contemporary architecture searched desperately for identity alongside the sentimental populistic motifs of arcades, oriels.

缺乏清楚的城市等量线，同时代的结构靠拱廊， oriels 的感伤性的 populistic 主题不顾死活寻找相同。

Compared with mouth closing, the IAP is significantly higher when the jaw is opened. Absence of the postglenoid process and the retrodiscal tissue following the movement of the mandibular condyle could contribute to the rise of IAP.

小型猪颞下颌关节无关节后结节，在开口运动中盘后组织跟随盘突运动是被动开口位压力升高为正值的重要解剖生理基础。

Any preheating and precooling increases the chamber charging pressure before TDC, and this is mechanically counter- productive for the piston (gas chamber loading requires less mechanical energy in the absence of preheating and precooling, which makes the regenerator less effective than one may think).

任何预热和预冷室收费增加了贸发局的压力面前，这是机械计数器加载生产的活塞（气室需要一个可能觉得少的机械比能量的情况下预热和预冷，这使得再生效果较差）。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"