诱导期

关于Rh/VOCl2/SiO2催化剂上C2-含氧化合物的生成诱导期

Study on the induction period of c_2-oxygen containing compounds formation over rh / voci_2 / sio_2 catalyst

化学外加剂的存在并不改变C3S的水化本质，但能缩短水化诱导期。

The chemical admixtures do not change the nature of C_3S hydration , but rather , shorten the duration of its induction period .

麻醉诱导期C组患者的MAP下降幅度大于B组（P<0.05）。

During induction of anesthesia the magnitude of decrease in MAP was significantly greater in group C than that in group B ( P < 0.05 ) .

通过测定结晶诱导期，计算了HC结晶的固液表面能、表面熵因子并判别出晶体的连续生长机理。

The continuous crystal growth mechanism was determined by calculating the surface entropy factor .

研究了含有不同光降解剂体系的光－生物降解聚乙烯（PE）膜在氙灯辐照下诱导期、脆化时间、分子量及力学性能等的变化规律。

Induction period , embrittlement time , molecular weight and tensile strength of photo biodegradable PE film which contain various photo sensitizer systems are studied .

PU材料在PBS溶液的降解结果表明：PU材料的降解过程大致可分为两个阶段：诱导期和加速期。

The degradation process can be approximately divided into two phases : the induction course and the acceleration course .

VC非均相聚合的诱导期不明显，自动加速现象一般发生在聚合前、中期，后期聚合速率较小。

The polymerization induction period was not obvious and the self-acceleration phenomenon was occurred in the early and mid stages of the polymerization process .

聚合条件对DMC催化PO聚合反应诱导期的影响

The Influence of Polymerization Condition on Polymerization Induction Periods of Propylene Oxide Catalysted by Double Metal Cyanide Complex

CaCO3结垢诱导期及其影响因素研究

Fouling induction period of CaCO_3 and its influence factors

但对甲醇水蒸汽重整反应，用H2还原时催化剂的活性较好，反应诱导期短。

But catalytic performance and revulsive time is better if the catalyst was reduced by H2 in the reforming of methanol .

在pH值为7～9和流速为05～10m/s时进行了换热面上碳酸钙结垢的实验研究，结果表明，pH值越大，渐进污垢热阻越大，结垢诱导期越短。

Experiments have been carried out for the pH 7 ~ 9 and fluid velocity 0.5 ~ 1.0m/s . The asymptotic fouling resistance increases and the induction time reduces with the pH value .

结果麻醉诱导期电针组血流动力学各项指标相对平稳，对照组则表现为显著下降（P0.01）。

Results At the anesthesia induction , various indexes of hemodynamics in the electroacupuncture group were relatively stable , and decreased significantly in the control group ( P0.01 );

生根期间POD活性出现2个高峰，在不定根诱导期和表达期上升，在伸长期下降。

The activity of POD had two peaks during rooting process . The activity of POD increased up during induction and expression phase and declined at the elongation phase .

结论晶体液和胶体液快速扩容对全麻诱导期低血压有相似的预防作用，但预防CI下降的作用胶体液优于晶体液。

Conclusion The effect of rapid plasma volume expansion with crystalloid or colloid on prevention of hypotension during induction is similar but colloid is better in prevention of CI decrease .

方法分析28例嗜铬细胞瘤手术病人在麻醉诱导期和术中使用艾司洛尔后HR、SBP、DBP、MAP、CVP的变化。

Methods : HR , SBP , DBP , MAP , CVP of28 patients with pheochromocytoma treated with esmolol during anesthesia induction and operation were analysed .

主要的研究终点是每个可评价病灶在诱导期治疗获得的客观有效率（ORR）。

Primary endpoint was objective response rate ( ORR ) per mRECIST in the lead-in stage .

在花芽分化期Z和的ZR变化基本一致：在诱导期含量较低，而在花原基将出现时迅速上升，达到高峰。我们认为这时ZR和Z的急剧增加可促进花原基的形成。

The level of Z and ZR are low in flower induction period and rise dramatically just before flower primordium formation , which may promote the flower primordium development .

实验得到的结果是：PBT具有极强的结晶能力。在相同的△T下，PTT的结晶诱导期和球晶出现的时间比PET短，球晶的生长速率也比PET快；

It comes to the conclusions that PBT shows the highest crystallization ability , the crystallization induction period and spherulite appearance time of PTT are shorter than that of PET .

PPO和IAAO活性在不定根诱导期上升，在表达期和伸长期活性下降。

The activities of PPO and IAAO increased up during induction and declined at the expression elongation phase .

根据经典成核理论，利用诱导期数据计算了KDP过饱和溶液的固-液界面张力、临界晶核半径等成核参数，并与理论计算值进行比较。

The interfacial tension and critical radius of nuclei were calculated basing on the induction period data by using the classical nucleation theory .

老年患者罗哌卡因硬膜外阻滞对全麻诱导期异丙酚TCI镇静催眠作用的影响

Influences of Ropivacaine in Epidural Anesthesia on Effects of Propofol Target-controlled Infusion during Induction of General Anesthesia in Elderly Patients

诱导期BP、HR较麻醉前下降（P<0.01及P<0.05），但整个麻醉过程生命指标较平稳。

BP , HR in the inducement course decreased lower than before the anaesthesia ( P < 0.01 & P < 0.05 ) . But the life index in the whole anaesthesia course was tranquilization .

结论麻醉诱导期单剂量静脉滴注头孢三嗪2g能有效预防糖尿病病人择期胆囊切除术后切口感染的发生。

Conclusions Single_dose CTRX 2g injected intravenously during the induction of anaesthesia was able to prevent the infections after gall surgery for diabetics .

对甲醇催化氧化重整反应，用H2还原和用甲醇和水蒸汽还原所得催化剂的活性及反应诱导期基本相同；

There was not obvious difference in catalytic performance and revulsive time when catalyst was reduced by H2 or methanol and steam vapor in oxidation reforming of methanol .

其还原历程与纯氧化铜不同，在443K以上没有诱导期.在r－ι图或r－α图上出现了两个峰。

Its reduction mechanism is different from that of pure cupric oxide . No induction period is observed when the temperature was below 443 K. There are two rate peaks on the r & τ and r - α curves .

原位1HMASNMR测定还表明，被Mo物种取代的B酸中心在反应诱导期内并不能再生。

The in situ 1H MAS NMR experiments also demonstrate that the Bronsted aicd sites , once replaced and occupied by Mo species , can not regenerate during the induction period of the reaction .

本文用目测法测定了KDP过饱和溶液的形核诱导期并考察了温度、过饱和度比对诱导期的影响。

The induction period of KDP were determined by the visual method and the effects of temperature and supersaturation on the induction period were observed .

在180℃时，AN与N-乙烯基吡咯烷酮（NVP）共聚物最初约有15min的诱导期。

The copolymers of AN and N-vinylpyrrolidone ( NVP ) have an induction period of about 15 minutes .

研究了Pichiapastoris表达重组人复合α干扰素（cIFN）时诱导期温度对cIFN形成聚合体的影响。

The effect of induction temperature on aggregation of consensus interferon - α expressed by Pichia pastoris was investigated .

进一步研究发现，超声波辐射能大大缩短反应诱导期，这十分利于PANI纳米纤维的形成。

Further study showed that induction time was shorter in PANI 's ultrasonic irradiation polymerization , which might be helpful to the formation of uniform morphology nanofibers .