无体系的

A homogeneous redox initiator system with ceric ammonium nitratein N,N-dimethyl-formamidewas reported in this paper.

研究了均相氧化还原体系硝酸铈铵/N，N-二甲基甲酰胺在无外加还原剂的条件下，引发丙烯酸甲酯，苯乙烯和甲基丙烯酸甲酯等烯类单体的聚合。

Much oxygen was evolved in the course of H〓 production. Sodium dithionate and DCMU make the system anaerobic, but H〓 production didn't increase, even decreased. By addition of sodium acetate, glucose, heteroauxing in the course of illumination and Fe, Ni in the course of algal growth, the H〓 production increases by P.

采用强还原剂、PSⅡ抑制剂虽然可使体系处于厌氧状态，但产氢效率并无提高，甚至下降；光照产氢过程分别外加碳源NaAc、促生长剂IAA，藻体培养过程中补充Fe和Ni的无机物均能使扁藻产氢的效率有所提高。

During laccase alone treatment process, there was little difference in wet-strength between applying oxygen and using air.

在单独漆酶处理过程中，通氧与通空气对提高湿抗张强度的效果无明显区别；而漆酶/介体体系处理中，通氧气可获得比通空气更高的湿强度指标。

Pistia stratiotes may be a useful plant in remediation of water pollutants by transgenic engineering.

为了有效地进行水浮莲的基因工程改造，达到利用水浮莲进行污染水体的植物修复，本研究建立了水浮莲无菌苗培养体系。

In the absence of organic solvent and phase-transfer catalyst, the catalytic oxidation of cyclohexene to adipic acid with aqueous 30% hydrogen peroxide by weight can be efficiently catalyzed by tungstenic acid/inorganic acidic ligand.

以钨酸／无机酸性配体为催化体系，在无有机溶剂和相转移剂的情况下，催化过氧化氢(质量分数30％)氧化环己烯合成己二酸。结果表明，以钨酸／磷酸催化氧化环己烯的催化效果最优。

Yongkang Hefa Tools Co.,Ltd.is a manufacturcr specializing in producing Auxiliary Air valves and carbon canisters of motorcycle,leisure vehicle,universal gasoline engine and automobile with Japanese Taiwan technologies.it has obtained ISO9001:2000 certification and has several patents such as unspillable reed valve,combined gulp cylinder head ,ctc.or company is located in Baiyun Industry Area,Yongkang,a city of hardware in China with comfortable environment and convenient transportation With the first-class production ﹠ test equipment and abundant test methods,we have already gained the ability to establish a complete process line from rough machining to entire assembly.

永康市合发工具有限公司是一家专业生产摩托车、休闲运动车、通用汽油机、汽车用二次空气阀总成、碳罐的企业。公司引进了日本、台湾技术，通过 ISO ：9001：2000国际质量管理体系认证，并且拥有多项专利技术，如：无泄漏簧片阀，连体补气缸头等，具备年产二次空气阀200万套的能力。

Yongkang Hefa Tools Co.,Ltd.is a manufacturcr specializing in producing Auxiliary Air valves and carbon canisters of motorcycle,leisure vehicle,universal gasoline engine and automobile with Japanese technologies.it has obtained ISO9001:2000 certification and has several patents such as unspillable reed valve,combined gulp cylinder head ,ctc.or company is located in Baiyun Industry Area,Yongkang,a city of hardware in China with comfortable environment and convenient transportation With the first-class production ﹠ test equipment and abundant test methods,we have already gained the ability to establish a complete process line from rough machining to entire assembly.

永康市合发工具有限公司是一家专业生产摩托车、休闲运动车、通用汽油机、汽车用二次空气阀总成、碳罐的企业。公司引进了日本技术，通过 ISO ：9001：2000国际质量管理体系认证，并且拥有多项专利技术，如：无泄漏簧片阀，连体补气缸头等，具备年产二次空气阀200万套的能力。

AMERICA'S financial firemen have tried all manner of measures to tackle the blaze engulfing its banks.

美国金融体系中的消防队员为了扑灭包围其银行的大伙已经无所不用其极。

Using normal roots from aseptic seedlings and hairy trots originated from Agrobacterium rhizogenes A4-mediated genetic transformation of L.

目的：探索光照和植物生长物质对宁夏枸杞无菌苗正常根和发状根离体生长的影响，建立离体根的最佳培养体系。

The system of nomenclature in which a species, but no taxon of any other rank, is denoted by a combination of two names (a binomen, q.v.).

一种命名体系，规定一个种是由两个名称的组合(一个二名式名称， q.v。)来指示，而无任何其他层级的分类单元使用此二名式。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失