我们如何知道，镁会还原四氯化钛？
在使用合并备份时，如果周五需要进行修复，那么您可以从周四的合并备份和事务日志还原所有数据。
With merged backups, if a recovery is needed on Friday, you can restore everything from Thursday's merged backup along with the transaction logs.
这个星球四分五裂，机器人把你还原成原子，令你痛不欲生。
The planet falling apart around you. Excruciating pain as the bots turn you back into atoms.
本文采用凝胶前驱体纤维热分解还原法制备了镍、镍-钴、铁、镍-铁四种磁性金属纤维。
In this paper, the Ni, Ni-Co, Fe and Ni-Fe magnetic fibers were prepared by thermal decomposition reducing method of gel precursor fibers.
用恒电流电解法研究了四丁基氢氧化铵和不同的阴离子在草酸电解还原过程中的作用。
Constant current electrolysis was used to study the effect of tetrabutylammonium salt on the reduction of oxalic acid.
采用氨气还原氮化法，在流动的氨气氛下原位反应生成氮化钛，同时保持四方相氧化锆含量和结构不变。
Titanium nitride was synthesized by ammonia reduction and nitridation under flowing ammonia atmosphere while the content and tetragonal phase structure of zirconia was unchanged.
提出了一种在氢氟化过程中同时进行氨还原改善脱硝产品氢氟化反应性的方法，以便生产出高品位的四氟化铀。
It proposes a method which improves reactivity of denitration products in hydrofluorination with ammonia reduction in order to produce high grade uranium tetrafluoride.
第四步：还原手发练习。
结论亚甲基四氢叶酸还原酶基因C677T基因多态性可能是我国大肠癌的遗传易感因素。
Conclusion These findings demonstrated that the genetic variation of MTHFR C677T should be a genetic susceptibility factor for colorectal cancer in a Chinese population.
偶氮基在酸性介质中的还原均为不可逆四电子一步全还原。
All of the electro-reductions of azo groups are irreversible one-step and four-electron reductions.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应，导致生成相应的哌啶羟胺盐酸盐；
The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
介绍了近年来在制作回转管炉、四管还原炉的技术进步；
Technical improvement of making rotary tube furnace, tetrode reduction furnace in recent years is described.
我在这里，是因为我得收集四魂之玉的碎片，把它们还原在一起。
I'm here cause I have to collect the shards of shikon and put it back together.
本文从四川自贡盐厂卤水污泥中，分离出一株中度嗜盐硫酸盐还原菌。
A moderate halophilic sulfate-reducing bacterium was isolated from the bittern of Zigong Salt Factory, Zigong, Sichuan.
在上述实验条件下，对还原处理的废水用电石渣进一步处理，使得废水中的铁离子产生絮凝作用，最终废水中氯仿和四氯化碳的去除率可达到60～95%。
Under the above test condition the treated wastewater is disposed of by carbide slag that can react with iron ion by flocculation and remove rate of CF and CT in wastewater can reach 60% to 95%.
目的探讨北方乡村妇女亚甲基四氢叶酸还原酶（MTHFR）基因多态性与神经管畸形的关系。
Objective To explore relationship between methylenetetra hydrofolate reductase (MTHFR) polymorphism and neural tube defects (NTDs)of women in the northern countryside.
近现代哲学有四大特点：机械论、还原论、主客二分论、膨胀的理性主义。
Modernist philosophy has four features: mechanism, reductionism, dichotomy of subject-object and expansive rationalism.
考察了物料配比、反应温度、酸化还原的时间及酸化还原时采用不同的酸四因素对合成巯基乙酸收率的影响，确定了最优化的反应条件。
In the course of the experiment we study conditions of four factors, for example material proportion, reduction reaction temperature, reaction time and sorts of acid.
方法以苯乙胺为原料，经酰化反应得乙酰苯乙胺，在多聚磷酸的作用下环合得1-甲基-3，4-二氢异喹啉，经硼氢化钠还原得1-甲基-1，2，3，4-四氢异喹啉。
Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.
亚甲基四氢叶酸还原酶基因突变导致的遗传多态现象可增加神经管缺陷(ntd)发生的危险性。
The genetic polymorphisms due to mutations in the methylene tetrahydrofolate reductase gene may increase the risk for NTDs.
在DMSO - H_2O混合溶剂中，用TPP和它的四种金属络合物作为敏化剂，EDTA作为电子给体，经可见光照射，成功地还原了甲基紫精。
In DMSO-H2O mixture, using TPP and metal TPP's as sensitizers, EDTA as electron donor, methyl viologen was reduced to the blue methyl viologen cation radical upon irradiation with white light.
该文就近年来亚甲基四氢叶酸还原酶基因多态性与高危妊娠和胎儿畸形关系做一简要综述。
In this review, we summarized researches on the correlation between methylenetetrahydroflate reductase gene polymorphism, high-risk pregnancy and congenital anomalies.
本文对国内常用的四种还原性熔剂的研究及应用作了简要的评述。
This paper reviews the research work and application of four domestic reductive fluxes.
第四章研究还原论的第二阶段。
在DMF-四乙基溴化铵（TEAB）质子惰性介质中，马蔺子素连续两步单电子还原生成相应氢醌阴离子，无中间体半醌自由基的化学反应发生。
In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
然后，在无水THF中用氢化铝锂还原，得纯的手性2 ，4 二羟甲基四氢吡咯衍生物。
All of the 2,4 pyrrolindinediester derivatives were reduced with lithium aluminum hydride in anhydrous THF, and ten new chiral 2,4 Dihydroxylmethylpyrrolidine derivatives were found.
方法：采用细胞生长曲线、形态学及NBT（硝基四氮唑蓝）还原试验判定NB4细胞的生长、分化及功能；
METHODS: Proliferation curve, morphology and NBT test were used to determine the proliferation and differentiation of NB4 cells.
方法：采用细胞生长曲线、形态学及NBT（硝基四氮唑蓝）还原试验判定NB4细胞的生长、分化及功能；
METHODS: Proliferation curve, morphology and NBT test were used to determine the proliferation and differentiation of NB4 cells.
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