限制因素

In the last several decades, along with the rapid development of scale livestock and poultry industry in China, the increase of deleterious contaminants, such as heavy metals, residues of animal medicine, salinities, and maleficent bacteria, in the manures of livestock and poultry made up of the limiting factors which affected the healthy function of farmland soil , even brought about eco-environment risk.

随着我国规模化养殖业的快速发展，畜禽粪中重金属、兽药残留、盐分及有害菌等有害污染物的增加，构成影响农田土壤健康功能的限制因素，甚至带来生态环境风险。

In order to better understand the determinants of tree height limit,32 tall tree species such as Parashorea chinensis,Sapium baccatum,Garcinia cowa,Eucalyptus citriodora,E.grandis×E.urophylla,Albizia falcataria,Populus tomentosa,Platanus hispanica,Ginkgo biloba,Pinus tabulaeformis,Ulmus pumia,Salix gordeivii,and Elaeagnus angustifolia from typical environments such as Xishuangbanna rainforest,Guangzhou subtropical area,Zhengzhou,Beijing,Helanshan mountain and Maowusu sandland in China were studied.

为了更好地了解树高极限的限制因素，本文对全国典型水分分布区域西双版纳、广州、郑州、北京、贺兰山和毛乌素沙地等地区生长的望天树、浆果乌桕、小叶藤黄、柠檬桉、巨尾桉、南洋楹、毛白杨、悬铃木、银杏、油松、榆树、沙枣、小黄柳等32种较高的木本植物进行了研究。

We do not want Sorcerers and Bards exchanging spells freely and we understand that gold cost alone is not an effective limiting factor for all characters.

我们并不想术士和诗人随意改变他们的法术并且我们了解钱本身对所有玩家来说并不都是一个很好的限制因素。

These results suggest that the decrease of Pn under sub-high temperature was maybe mainly induced by non-stoma limiting factors,and the earlier the plants were treated by sub-high temperature after they effloresced,the worse the photosynthesis the plants were.

认为番茄叶片Pn的降低主要是由非气孔限制因素引起的。

The increasing temperature rise of on-chip interconnects has been the very important constraints for high performance chip design.

2越来越高的金属连线温度已经成为设计高性能集成电路芯片一个重要的限制因素。

Thus, HBGA obviated the need for a fixed representational scheme that was a limiting factor of both standard and interactive EC.

因此， HBGA ，因此没有必要为一个固定的代表计划，这是一个限制因素的标准和互动欧共体。

The primary resistances for CO2 diffusion are thought to be at the stomata and at photosynthesizing cells via a combination resulting from resistances of aqueous solution as well as the plasma membrane and both outer and inner chloroplast membranes.

CO2扩散速率的主要限制因素不仅与气孔和光合细胞中它的水溶性有关，还与质膜和叶绿体内外膜有关。

Study limitations include retrospective design, lack of data on the frequency and severity of every hematuria episode occurring both before and after HBO2 therapy, difficulty in quantitating effect on quality of life, and inability to determine whether the frequency of hematuria and the interval between consecutive hematuria episodes affected the therapeutic outcome.

研究的限制因素，包括本项研究为一回顾性的性质；高压氧治疗前后的血尿频率及严重程度等，皆未有资料以供利用；患者的生活品质无法量化；血尿的频率及发作的间隔期是否会对疗效造成影响，无法证实。

Production constraints main were biotic and abiotic factors,involving diseases of sorghum Downy Mildew,Southern rust,Southern corn leaf blight,Northern corn leaf blight and Charcoal stalk rot and inset of the Asian corn borer,and drought stress.

玉米生产主要限制因素为病害(高粱霜霉、南方锈、茎腐、大斑、小斑病)、虫害和干旱胁迫。

Decompose and adjust for uppercase vowel E. The limiting factor when designing glyphs with stacking diacritics is the space available above the uppercase.

分解和调整为大写元音大肠杆菌的限制因素在设计与字形堆叠区分符号是可用空间以上的大写。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。