条件转移

Experiments were carried out. The effects of defoliation on photosynthesis, dry matter translocation, grain yield and water use efficiency were investigated with different defoliation degrees and different soil water levels.

该文通过水分胁迫条件下不同程度脱叶和不同水分条件下脱叶-不脱叶的田间试验，研究了减少蒸腾器官对冬小麦光合特性、干物质转移、产量和水分利用效率的影响。

So it has made the great progress. The method studied in this research from o-Dichlorobenzene is a ideal route to synthesize 2,4- dichlorofluorobenzene, which has temperate condition easy to control,safe process,low cost and good quality of products; The method of Phase transfer catalysis fluorination without solvent is better than present technology in presence of DMSO as solvent in many aspects; In a word,it is worth being promoted by the domestic correlative factories.

本课题所研究的以邻二氯苯为原料的2，4-二氯氟苯合成路线反应条件温和，工艺容易控制，生产安全，而且产品质量好，是比较理想的合成路线；以季胺盐为催化剂的无溶剂相转移催化氟化法与溶剂法相比具有明显的优势；通过实验确定的工艺条件对工业化生产有重要的指导意义，可提高以邻二氯苯为原料的工艺路线的市场竞争力。

Article 28 No organizations or individuals are allowed to transfer the occupational-disease-inductive operation to other organizations or individuals without qualified occupational-disease-prevention conditions, which, in turn, are prohibited from accepting the operation indicated hereinabove.

第二十八条任何单位和个人不得将产生职业病危害的作业转移给不具备职业病防护条件的单位和个人。不具备职业病防护条件的单位和个人不得接受产生职业病危害的作业。

The catalysts were prepared by impregnation and precipitation method, and the active carbon,γ-Al2O3, silica and kieselguhr were selected as the carriers of catalyst. the effects of reaction conditions, such as reaction temperature, types of solvents, and types of hydrogen donors were investigated, It was found that the Pd/C catalyst was the best one, and its proper reaction conditions were also obtained as follow: sodium formate as hydrogen donor, water as solvent, reaction temperature of 70℃ and reaction time of 2.5h.

以活性炭、γ-Al2O3、硅胶和硅藻土等为载体，分别采用浸渍法和沉淀法制备了催化剂，对于反应温度、溶剂及氢供体的种类等反应条件的影响进行了研究，发现以沉淀法制备的Pd/C催化剂是对转移加氢最有效的催化剂，初步确定了适宜的反应条件为以甲酸钠作氢供体、水作溶剂及70℃反应2.5h等。

UV-Vis spectra were measured in weak acidity, neutrality and weak base, the absorption spectra were changed with a large red shift in weak base because of intramolecular charge transfer and azophenol-quinone tautomerism.

并且测量了它们在弱酸性，中性和弱碱性条件下的紫外吸收光谱，讨论了吸收光谱与分子结构之间的关系，认为分子内的电荷转移和醌式互变是碱性条件下吸收光谱发生明显变化的根本原因。

Moreover, classical multigrid methods, such as W-cycle and Variable V-cycle, are shown to be convergent uniformly for this mortar type TRUNC element.

我们还用经典多重网格方法（可变的V-循环、W-循环）求解带mortar条件的TRUNC元解，证明所构造的网格转移算子满足收敛性条件，从而传统多重网格方法作预处理的条件数为一致有界。

The uniform design and PTC are used in the studies on preparation for the chitosan of high deacetylate degree and low viscosity.

利用相转移催化剂与均匀设计法探讨了高脱乙酰度、低粘度壳聚糖的制备方法，找出了最佳工艺条件，在最佳工艺条件下得到了粘度为 2 6.6m Pa· s，脱乙酰度为 99.4 %的壳聚糖

Its mechanism is the use of anthraquinone in alkali conditions off proton surface forming 10 more stable carbon anion face, but because carbon anion and oxygen ion exist between testosterone and enolate type each other changes, cause reaction product complex, at least five, reaction selectivity, product yield, separation difficulties, and product purity is not high, therefore, using the type and quantity of alkali, phase transfer catalyst type, solvent, to optimize the selection process conditions so as to improve the yield target product.

其机理是利用蒽酮在碱存在的条件下脱去氢质子面形成10位较稳定的碳负离子面进行，但是因为碳负离子和氧负离子之间存在酮式和烯醇式的互变，导致反应复杂，产物至少有五种，反应选择性差，产物分离困难，产率低，且产品纯度不高，因此，利用对碱的种类和量的多少，相转移催化剂的种类，反应溶剂的选择，来优化反应工艺条件从而提高目标产物的产率。

Great quantities of early or late Apis mellifera ligustica eggs were electroporated with green fluorescent protein gene on the optimized conditions.

实验用质粒pEGFP-N1对意大利蜜蜂卵电转导条件优化进行系统研究，然后利用所得到的电穿孔优化条件，对大量意大利蜜蜂早、晚期卵进行绿色荧光蛋白基因转移研究。

In this study, in utero transfection plasmid DNA method was set up to embryonic mouse. The GFP expression vector pCAGGS-IRES-EGFP was microinjected into the lateral cerebral ventricle of E 14.5d mouse embryos through the uterine wall. Then, the 30 V square-wave pulse was delivered across the head for 5 times and interval 50m sec by electrodes in parallel with the median raphes.

本研究旨在通过子宫内电穿孔法，建立鼠胚大脑皮层体内基因转移体系：将带有绿色荧光蛋白的表达载体pCAGGS-IRES-EGFP显微注入胚胎期14.5 d的鼠胚侧脑室中，电极沿与脑中缝平行的方向夹持鼠脑，在电压30 V，脉冲时间50 ms，脉冲数5的条件下方波电击，将外源基因转移到室管膜层细胞。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。